{"id":9640,"date":"2020-07-26T18:21:00","date_gmt":"2020-07-26T14:51:00","guid":{"rendered":"https:\/\/cfd-mrk.ir\/?page_id=9640"},"modified":"2020-07-26T15:19:38","modified_gmt":"2020-07-26T11:49:38","slug":"density-based-solver","status":"publish","type":"page","link":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/","title":{"rendered":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)"},"content":{"rendered":"\n<h2 class=\"has-very-dark-gray-color has-text-color has-text-align-right wp-block-heading\"><strong>\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627<\/strong><\/h2>\n\n\n\n<h2 class=\"has-very-dark-gray-color has-text-color has-text-align-left wp-block-heading\"><strong>Density-Based Solver<\/strong><\/h2>\n\n\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u067e\u06cc\u0648\u0633\u062a\u06af\u06cc\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u0648 \u06af\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0628\u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0633\u0627\u06cc\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u0633\u06a9\u0627\u0644\u0631\u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0646\u06cc\u0632 \u0628\u0635\u0648\u0631\u062a \u0645\u062a\u0648\u0627\u0644\u06cc \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u062f\u0631 \u0634\u06a9\u0644 \u0627\u0628\u062a\u062f\u0627\u06cc \u0635\u0641\u062d\u0647 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><strong><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc46312040\"><\/a><span style=\"color: #800000;\">\u0641\u0631\u0645 \u0628\u0631\u062f\u0627\u0631\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/span><\/span><\/strong><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0628\u0631\u0627\u06cc \u0633\u06cc\u0627\u0644 \u062f\u0631 \u0641\u0631\u0645 \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc \u0648 \u0645\u062e\u062a\u0635\u0627\u062a \u06a9\u0627\u0631\u062a\u0632\u06cc\u0646 \u062f\u0631 \u0647\u0631 \u062d\u062c\u0645 \u06a9\u0646\u062a\u0631\u0644 <strong><em>V<\/em><\/strong> \u0628\u0627 \u0645\u0633\u0627\u062d\u062a \u0633\u0637\u062d \u062f\u06cc\u0641\u0631\u0627\u0646\u0633\u06cc\u0644\u06cc <strong><em>dA<\/em><\/strong> \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (1) \u0646\u0648\u0634\u062a. \u0628\u0631\u062f\u0627\u0631 <strong><em>H<\/em><\/strong> \u0646\u06cc\u0632 \u0634\u0627\u0645\u0644 \u062a\u0631\u0645\u0647\u0627\u06cc \u0686\u0634\u0645\u0647 \u0646\u0638\u06cc\u0631 \u0646\u06cc\u0631\u0648\u06cc \u0648\u0632\u0646\u06cc \u0648 \u0686\u0634\u0645\u0647\u200c\u0647\u0627\u06cc \u0627\u0646\u0631\u0698\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0628\u0631\u062f\u0627\u0631\u0647\u0627\u06cc \u0645\u0630\u06a9\u0648\u0631 <strong><em>\u03c1<\/em><\/strong>\u060c <strong><em>v<\/em><\/strong>\u060c <strong><em>E<\/em><\/strong> \u0648 <strong><em>p<\/em><\/strong> \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0686\u06af\u0627\u0644\u06cc\u060c \u0633\u0631\u0639\u062a\u060c \u0627\u0646\u0631\u0698\u06cc \u06a9\u0644 \u062f\u0631 \u0648\u0627\u062d\u062f \u062c\u0631\u0645 \u0648 \u0641\u0634\u0627\u0631 \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u0628\u0631\u0627\u0633\u0627\u0633 \u0631\u0627\u0628\u0637\u0647 (3) \u0627\u0646\u0631\u0698\u06cc \u06a9\u0644 \u0628\u0647 \u0622\u0646\u062a\u0627\u0644\u067e\u06cc \u06a9\u0644 \u0648\u0627\u0628\u0633\u062a\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9648 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations.png\" alt=\"\u0641\u0631\u0645 \u0628\u0631\u062f\u0627\u0631\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"900\" height=\"563\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations.png 900w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations-300x188.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations-768x480.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations-360x225.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/vector-form-equations-600x375.png 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0647 \u0646\u0627\u0648\u06cc\u0631-\u0627\u0633\u062a\u0648\u06a9\u0633 \u0628\u06cc\u0627\u0646 \u0634\u062f\u0647 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (1) \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 -\u062c\u0627\u0626\u06cc\u06a9\u0647 \u0627\u062e\u062a\u0644\u0627\u0641 \u0628\u06cc\u0646 \u0633\u0631\u0639\u062a \u062c\u0631\u06cc\u0627\u0646 \u0648 \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u0632\u06cc\u0627\u062f \u0628\u0627\u0634\u062f- \u0628\u0633\u06cc\u0627\u0631 \u0645\u0634\u06a9\u0644 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u0646\u06cc\u0632 \u0635\u0627\u062f\u0642 \u0627\u0633\u062a. \u0686\u0631\u0627\u06a9\u0647 \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u0635\u0631\u0641\u0646\u0638\u0631 \u0627\u0632 \u0633\u0631\u0639\u062a \u062c\u0631\u06cc\u0627\u0646\u060c \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u0628\u0647 \u0646\u0633\u0628\u062a \u0628\u0633\u06cc\u0627\u0631 \u0632\u06cc\u0627\u062f \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u0645\u0633\u0626\u0644\u0647 \u0628\u0627\u0639\u062b \u0628\u0631\u0648\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u0633\u0627\u0633\u06cc \u062f\u0631 \u0647\u0645\u06af\u0631\u0627\u0626\u06cc \u062d\u0644 \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 FLUENT\u200c \u0628\u0631\u0627\u06cc \u0631\u0641\u0639 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u067e\u06cc\u0634 \u0634\u0631\u0637(<strong>Preconditioning<\/strong>) \u00a0\u0645\u0634\u062a\u0642 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<h4 style=\"text-align: right;\"><strong><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc46312041\"><\/a><span style=\"color: #ff0000;\">\u067e\u06cc\u0634 \u0634\u0631\u0637 (Preconditioning) \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645<\/span><\/span><\/strong><\/h4>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u067e\u06cc\u0634 \u0634\u0631\u0637 \u0645\u0634\u062a\u0642 \u0632\u0645\u0627\u0646\u06cc\u060c \u062a\u0631\u0645 \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0632\u0645\u0627\u0646 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (1) \u0631\u0627 \u0628\u0627 \u0636\u0631\u0628 \u06a9\u0631\u062f\u0646 \u062f\u0631 \u0645\u0627\u062a\u0631\u06cc\u0633 \u067e\u06cc\u0634 \u0634\u0631\u0637\u060c \u0627\u0635\u0644\u0627\u062d \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u0627\u062a\u0631\u06cc\u0633 \u067e\u06cc\u0634 \u0641\u0631\u0636\u060c \u0631\u0648\u06cc \u0645\u0642\u06cc\u0627\u0633 \u0645\u062c\u062f\u062f \u0633\u0631\u0639\u062a \u0635\u0648\u062a (\u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647) \u0633\u06cc\u0633\u062a\u0645 \u0645\u0639\u0627\u062f\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0642\u0631\u0627\u0631 \u0627\u0633\u062a \u0628\u0645\u0646\u0638\u0648\u0631 \u06a9\u0627\u0647\u0634 \u0633\u062e\u062a\u06cc \u062f\u0631 \u062d\u0644 \u0639\u062f\u062f\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 \u06cc\u0627 \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u062d\u0644 \u0634\u0648\u062f\u060c \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f. \u0645\u0634\u062a\u0642 \u0645\u0627\u062a\u0631\u06cc\u0633 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0628\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u062a\u063a\u06cc\u0631 \u0648\u0627\u0628\u0633\u062a\u0647 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (1) \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0642\u0627\u0626\u06cc W \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0635\u0644\u06cc Q \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0627\u0646\u0648\u0646 \u0632\u0646\u062c\u06cc\u0631\u06cc \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9653 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner.png\" alt=\"\u067e\u06cc\u0634 \u0634\u0631\u0637 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"932\" height=\"672\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner.png 932w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner-300x216.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner-768x554.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner-360x260.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-preconditioner-600x433.png 600w\" sizes=\"auto, (max-width: 932px) 100vw, 932px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u06af\u0627\u0632 \u0627\u06cc\u062f\u0647\u200c\u0627\u0644: \u03b4=1.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u06af\u0627\u0632 \u062a\u0631\u0627\u06a9\u0645 \u0646\u0627\u067e\u0630\u06cc\u0631 \u03b4=0.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc <strong><em>Q<\/em><\/strong> \u0628\u0639\u0646\u0648\u0627\u0646 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0686\u0646\u062f \u0639\u0644\u062a \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a. \u0627\u0648\u0644 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0645\u0631\u06cc \u0637\u0628\u06cc\u0639\u06cc \u0627\u0633\u062a. \u062f\u0648\u0645 \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u0645\u0648\u0627\u0642\u0639\u06cc \u06a9\u0647 \u062f\u0642\u062a \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f\u060c \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0642\u062a \u06af\u0631\u0627\u062f\u06cc\u0627\u0646\u0647\u0627\u06cc \u0633\u0631\u0639\u062a \u0648 \u062f\u0645\u0627 \u062f\u0631 \u0634\u0627\u0631\u0647\u0627\u06cc \u0644\u0632\u062c \u0648 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646\u0647\u0627\u06cc \u0641\u0634\u0627\u0631 \u062f\u0631 \u0634\u0627\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0644\u0632\u062c\u060c \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a \u06a9\u0647 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc <strong><em>Q<\/em><\/strong> \u0628\u062c\u0627\u06cc \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc <strong><em>W<\/em><\/strong> \u0628\u0631\u0631\u0633\u06cc \u06af\u0631\u062f\u062f. \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0627\u06cc\u0646\u06a9\u0647 \u0627\u0646\u062a\u062e\u0627\u0628 \u0641\u0634\u0627\u0631 \u0628\u0639\u0646\u0648\u0627\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0648\u0627\u0628\u0633\u062a\u0647 \u0645\u0648\u062c\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u0627\u0631 \u06af\u0630\u0627\u0634\u062a\u0647 \u0634\u0648\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u062d\u0644 \u0645\u0633\u0626\u0644\u0647 \u0627\u0632 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u06a9\u0645\u062a\u0631\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9656 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0627 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"900\" height=\"1140\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation.png 900w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation-237x300.png 237w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation-808x1024.png 808w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation-768x973.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation-213x270.png 213w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-governing-equation-600x760.png 600w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0633\u0631\u0639\u062a \u0645\u0631\u062c\u0639 <strong><em>U<sub>r<\/sub><\/em><\/strong> \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (10) \u0628\u0635\u0648\u0631\u062a \u0645\u062d\u0644\u06cc \u0637\u0648\u0631\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0633\u06cc\u0633\u062a\u0645 \u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0633\u0628\u062a \u0628\u0647 \u06af\u0627\u0645\u0647\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u0648 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0632 \u0634\u0631\u0627\u0626\u0637 \u0645\u0646\u0627\u0633\u0628\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0628\u0627\u0634\u062f \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0633\u06cc\u0633\u062a\u0645 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0645\u0639\u0627\u062f\u0644\u0647 (8) \u0628\u0631\u0627\u0633\u0627\u0633 \u0645\u0639\u0627\u062f\u0644\u0647 (11) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0632\u0645\u0627\u0646\u06cc\u06a9\u0647 <strong><em>U<sub>r<\/sub>=c<\/em><\/strong>\u00a0 (\u062f\u0631 \u0633\u0631\u0639\u062a\u200c\u0647\u0627\u06cc \u0635\u0648\u062a \u0648 \u0628\u06cc\u0634\u062a\u0631)\u060c <em><strong>0=\u03b1<\/strong><\/em> \u0628\u0648\u062f\u0647 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0633\u06cc\u0633\u062a\u0645 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0628\u0647 \u0634\u06a9\u0644 \u0633\u0627\u062f\u0647 <strong><em>u\u00b1c<\/em><\/strong> \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u062f\u0631 \u0633\u0631\u0639\u062a\u0647\u0627\u06cc \u067e\u0627\u06cc\u06cc\u0646 <strong><em>U<sub>r<\/sub>\u21920<\/em><\/strong>\u00a0 \u0648 <em><strong>0.5 \u2192 \u03b1<\/strong><\/em> \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062a\u0645\u0627\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0628\u0627 <strong><em>u<\/em><\/strong> \u0647\u0645 \u0645\u0631\u062a\u0628\u0647 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u0686\u06af\u0627\u0644\u06cc-\u062b\u0627\u0628\u062a\u060c \u0635\u0631\u0641\u0646\u0638\u0631 \u0627\u0632 \u0645\u06cc\u0632\u0627\u0646 \u0633\u0631\u0639\u062a <strong><em>U<sub>r<\/sub><\/em><\/strong> \u0645\u0642\u0627\u062f\u06cc\u0631<em><strong>0=\u1d5d<\/strong><\/em> \u0648 <em><strong>0.5=\u03b1<\/strong> <\/em>\u0627\u0633\u062a. \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc\u06a9\u0647 \u0633\u0631\u0639\u062a \u0645\u0631\u062c\u0639 \u0628\u0627 \u0633\u0631\u0639\u062a \u0645\u062d\u0644\u06cc \u0647\u0645 \u0645\u0631\u062a\u0628\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0646\u06cc\u0632 \u0647\u0645 \u0645\u0631\u062a\u0628\u0647 \u0628\u0627 \u062a\u0645\u0627\u0645\u06cc <strong><em>u<\/em><\/strong> \u00a0\u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u0633\u06cc\u0633\u062a\u0645 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u0633\u0631\u0639\u062a\u0647\u0627 \u062f\u0631 \u0634\u0631\u0627\u0626\u0637 \u0645\u0646\u0627\u0633\u0628\u06cc \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06af\u0631\u0641\u062a.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u00a0\u0645\u0639\u0627\u062f\u0644\u0647 (8) \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627 \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0647 \u062f\u0631 \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0628\u0642\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627 \u0627\u0632 \u062d\u0633\u0627\u0633\u06cc\u062a \u06a9\u0627\u0641\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0646\u06cc\u0633\u062a. \u0627\u0644\u0628\u062a\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0645\u0633\u0626\u0644\u0647 \u0686\u0646\u062f\u0627\u0646 \u0645\u0647\u0645\u06cc \u0646\u06cc\u0633\u062a. \u0686\u0631\u0627\u06a9\u0647 \u0628\u0647 \u0647\u0631\u0635\u0648\u0631\u062a \u0633\u06cc\u0633\u062a\u0645 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0627\u0632 \u0647\u0645\u0627\u0646 \u0627\u0628\u062a\u062f\u0627 \u062f\u0642\u062a \u0632\u0645\u0627\u0646\u06cc \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0631\u062f\u0647 \u0648 \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062e\u0627\u0637\u0631 \u062f\u0631 \u0627\u06cc\u0646 \u0642\u0627\u0644\u0628 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0639\u0645\u0627\u0644 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0636\u0645\u0646\u06cc \u0628\u0627 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0632\u0645\u0627\u0646 \u062f\u0648\u06af\u0627\u0646\u0647\u00a0 (Dual-Time Formulation) \u06cc\u06a9 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0646\u0627\u067e\u0627\u06cc\u0627 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0646\u0627\u067e\u0627\u06cc\u0627 \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0642\u062a \u062d\u0644 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0628\u0647\u0628\u0648\u062f \u0645\u0642\u06cc\u0627\u0633 \u0627\u062a\u0644\u0627\u0641 \u0645\u0635\u0646\u0648\u0639\u06cc (Artificial Dissipation) \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u062e\u0627\u0637\u0631 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062a\u0639\u062f\u0627\u062f \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0647\u0631 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062d\u0644 \u0631\u0627 \u0646\u06cc\u0632 \u0645\u0627\u06a9\u0632\u06cc\u0645\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 \u0648 \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0648 \u0645\u0633\u0644\u0647 \u0641\u0631\u06a9\u0627\u0646\u0633 \u067e\u0627\u06cc\u06cc\u0646 (\u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0632\u0631\u06af) \u0648 \u0641\u0631\u06a9\u0627\u0646\u0633 \u0628\u0627\u0644\u0627 (\u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0648\u0686\u06a9) \u0628\u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0645\u0648\u062c\u0628 \u0635\u0631\u0641\u0647\u200c\u062c\u0648\u06cc\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc \u0628\u062f\u0648\u0646 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u067e\u06cc\u0634 \u0634\u0631\u0637 \u0646\u0627\u067e\u0627\u06cc\u0627 \u0628\u0633\u062a\u0647 \u0628\u0647 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u06af\u0627\u0645\u200c\u0647\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u067e\u0698\u0648\u0627\u06a9\u06cc\u00a0 (Acoustic) \u0648 \u0647\u0645\u0631\u0641\u062a\u06cc (Advective) \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u067e\u0698\u0648\u0627\u06a9 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0639\u062f\u062f CFL \u06a9\u0648\u0686\u06a9 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631 <strong><em>U<sup>2<\/sup><sub>r<\/sub><\/em><\/strong> \u0628\u0647 <strong><em>c<sup>2<\/sup><\/em><\/strong> \u0646\u0632\u062f\u06cc\u06a9 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0628\u0637\u0648\u0631 \u0645\u0624\u062b\u0631\u06cc \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 \u0631\u0627 \u062a\u0642\u0631\u06cc\u0628\u0627 \u0628\u06cc\u200c\u0627\u062b\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u0647\u0645\u0631\u0641\u062a\u06cc \u063a\u0627\u0644\u0628 \u0645\u062b\u0644 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u06af\u0631\u062f\u0627\u0628\u0647\u200c\u0647\u0627\u06cc \u0622\u0634\u0641\u062a\u0647\u060c \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0639\u062f\u062f CFL \u0628\u0632\u0631\u06af\u060c \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0646\u06cc\u0632 \u0628\u0632\u0631\u06af \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u067e\u06cc\u0634 \u0634\u0631\u0637 <strong><em>U<sup>2<\/sup><sub>r<\/sub><\/em><\/strong> \u0628\u0647 \u0633\u0645\u062a <strong><em>u<sup>2<\/sup><\/em><\/strong> \u0645\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u06af\u0627\u0645\u200c\u0647\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u0645\u062a\u0648\u0633\u0637\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0646\u0627\u067e\u0627\u06cc\u0627 \u0628\u0647 \u0645\u0646\u0638\u0648\u0631 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u062a\u06a9\u0631\u0627\u0631\u0647\u0627\u06cc \u0634\u0628\u0647 \u0632\u0645\u0627\u0646\u06cc \u0648 \u062a\u0635\u062d\u06cc\u062d \u0645\u0642\u06cc\u0627\u0633 \u062a\u0631\u0645\u200c\u0647\u0627\u06cc \u0627\u062a\u0644\u0627\u0641 \u0645\u0635\u0646\u0648\u0639\u06cc\u060c \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u0627\u0646\u062a\u062e\u0627\u0628 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062a\u0637\u0628\u06cc\u0642 \u0645\u06cc\u200c\u06cc\u0627\u0628\u0646\u062f.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0631\u0648 Roe-FDS (Roe Flux-Difference Splitting) \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/strong><\/span><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 \u063a\u06cc\u0631 \u0644\u0632\u062c\u060c F\u060c \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (8) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06af\u0633\u0633\u062a\u0647 \u0633\u0627\u0632\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062a\u0641\u0627\u0636\u0644 \u067e\u06cc\u0634\u0631\u0648 \u0634\u0627\u0631 \u062a\u062c\u0632\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u062a\u0642\u0631\u06cc\u0628 \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 F \u0634\u0627\u0645\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0631\u0639\u062a \u0648 \u062c\u0647\u062a \u062c\u0631\u06cc\u0627\u0646 \u062f\u0631 \u062f\u0627\u062e\u0644 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc\u060c \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f. \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u0641\u0631\u0645 \u062a\u062c\u0632\u06cc\u0647 \u0634\u062f\u0647 \u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 \u063a\u06cc\u0631 \u0644\u0632\u062c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0641\u0627\u0636\u0644 \u067e\u06cc\u0634\u0631\u0648 \u0627\u0634\u0627\u0631\u0647 \u0634\u062f\u0647\u060c \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (12) \u0646\u0648\u0634\u062a.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9661 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method.png\" alt=\"\u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0631\u0648 Roe-FDS \" width=\"931\" height=\"492\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method.png 931w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method-300x159.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method-768x406.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method-360x190.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-Roe-method-600x317.png 600w\" sizes=\"auto, (max-width: 931px) 100vw, 931px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 FLUENT \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u062d\u0627\u0644\u062a\u0647\u0627\u06cc QR \u0648 QL \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (12) \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0639\u0646\u0648\u0627\u0646 \u062a\u0641\u0627\u0636\u0644 \u0645\u0631\u06a9\u0632\u06cc \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u0648 \u0628\u0647\u0645\u0631\u0627\u0647 \u06cc\u06a9 \u0645\u0627\u062a\u0631\u06cc\u0633 \u0627\u062a\u0644\u0627\u0641 \u0627\u0636\u0627\u0641\u06cc\u060c \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a. \u0627\u06cc\u0646 \u0645\u0627\u062a\u0631\u06cc\u0633 \u062a\u0631\u0645 \u0627\u062a\u0644\u0627\u0641 \u0646\u0647 \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0634\u0631\u0648\u06cc \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062c\u0627\u0628\u062c\u0627 \u0634\u062f\u0647(<strong>Upwinding Convected\u00a0 Variables<\/strong>) \u0641\u0634\u0627\u0631 \u0648 \u0633\u0631\u0639\u062a \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0645\u0627\u0641\u0648\u0642 \u0635\u0648\u062a \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a \u0628\u0644\u06a9\u0647 \u0633\u0631\u0639\u062a \u0648 \u0641\u0634\u0627\u0631 \u0631\u0627 \u0646\u06cc\u0632 \u06a9\u0648\u067e\u0644 \u06a9\u0631\u062f\u0647 \u06a9\u0647 \u0645\u0648\u062c\u0628 \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0648 \u0628\u0647\u0628\u0648\u062f \u0647\u0645\u06af\u0631\u0627\u0626\u06cc \u062d\u0644 \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u0648 \u0628\u0627 \u0633\u0631\u0639\u062a \u067e\u0627\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0648\u0634 +AUSM \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/strong><\/span><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u062d\u0627\u0633\u0628\u0647 \u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 F \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (8)\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 (Flux Vector Splitting) \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0647 \u0646\u0627\u0645 Advection Upstream Splitting Method \u06cc\u0627 \u0647\u0645\u0627\u0646 (AUSM) \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0631\u0648\u0634 \u06cc\u0627\u062f \u0634\u062f\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u062a\u0648\u0633\u0637 \u0644\u06cc\u0648 (Liou) \u0648 \u0627\u0633\u062a\u0641\u0627\u0646 (Steffen) \u062f\u0631 \u0633\u0627\u0644 1993 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0645\u062a\u062f AUSM \u0639\u062f\u062f \u0645\u0627\u062e \u0645\u062a\u0646\u0627\u0638\u0631 \u0647\u0631 \u0627\u0644\u0645\u0627\u0646 \u0631\u0627 \u0628\u0631\u0627\u0633\u0627\u0633 \u0633\u0631\u0639\u062a\u200c\u0647\u0627\u06cc \u0645\u0634\u062e\u0635\u0647 \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0647\u0645\u0633\u0627\u06cc\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0633\u067e\u0633 \u0639\u062f\u062f \u0645\u0627\u062e \u0645\u062d\u0627\u0633\u0628\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0628\u0631\u0648\u0646\u06cc\u0627\u0628\u06cc \u067e\u06cc\u0634\u0631\u0648 (Upwind Extrapolation) \u0628\u0631\u0627\u06cc \u0645\u0624\u0644\u0641\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u0634\u0627\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0644\u0632\u062c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u06cc\u06a9 \u062a\u062c\u0632\u06cc\u0647 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0639\u062f\u062f \u0645\u0627\u062e \u0646\u06cc\u0632 \u0628\u0631\u0627\u06cc \u062a\u0631\u0645\u200c\u0647\u0627\u06cc \u0641\u0634\u0627\u0631 \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0639\u062f\u062f \u0645\u0627\u062e \u06a9\u0644\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u062a\u0648\u0627\u0628\u0639 \u062a\u062c\u0632\u06cc\u0647 \u0641\u0634\u0627\u0631 \u0648 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u062a\u0648\u0633\u0637 \u0644\u06cc\u0648 \u0645\u0639\u0631\u0641\u06cc \u06af\u0631\u062f\u06cc\u062f \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0645\u062f\u0644 \u0628\u0647 \u0645\u062f\u0644 AUSM+ \u0627\u0631\u062a\u0642\u0627\u0621 \u06cc\u0627\u0641\u062a. \u0645\u0647\u062a\u0631\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u062b\u0628\u062a \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/span><\/p>\n<ul style=\"text-align: right;\">\n<li><span style=\"color: #000000;\">\u0648\u0636\u0648\u062d \u062f\u0642\u06cc\u0642\u06cc \u0627\u0632 \u0628\u0631\u062e\u0648\u0631\u062f \u06cc\u0627 \u0646\u0627\u067e\u06cc\u0648\u0633\u062a\u06af\u06cc\u200c\u0647\u0627\u06cc \u0634\u0648\u06a9 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0633\u06a9\u0627\u0644\u0631 \u0631\u0627 \u0645\u062b\u0628\u062a \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f.<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0639\u0627\u0631\u06cc \u0627\u0632 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u062f\u0631 \u0634\u0648\u06a9\u200c\u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0648 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0631\u0648\u0634 AUSM+\u00a0 \u0628\u0627 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0634\u0627\u0631 \u0639\u062f\u062f\u06cc \u0628\u0647 \u0641\u0631\u0645 \u0645\u0639\u0627\u062f\u0644\u0647 (14) \u0627\u0632 \u0628\u06a9\u0627\u0631\u06af\u06cc\u0631\u06cc \u06cc\u06a9 \u0627\u062a\u0644\u0627\u0641 \u0645\u0635\u0646\u0648\u0639\u06cc \u0635\u0631\u06cc\u062d \u067e\u0631\u0647\u06cc\u0632 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9666 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method.png\" alt=\"\u0631\u0648\u0634 AUSM \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"903\" height=\"70\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method.png 903w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method-300x23.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method-768x60.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method-360x28.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-AUSM-method-600x47.png 600w\" sizes=\"auto, (max-width: 903px) 100vw, 903px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627\u0644\u0627 \u00a0<strong><em>m<sub>f<\/sub> <\/em><\/strong> \u0634\u0627\u0631 \u062c\u0631\u0645\u06cc \u0639\u0628\u0648\u0631\u06cc \u0627\u0644\u0645\u0627\u0646 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0686\u0646\u062f \u062c\u0645\u0644\u0647\u200c\u0627\u06cc \u0645\u0631\u062a\u0628\u0647 \u0686\u0647\u0627\u0631\u0645 \u0637\u0631\u0641\u200c\u0647\u0627\u06cc \u0686\u067e \u0648 \u0631\u0627\u0633\u062a \u0639\u062f\u062f \u0645\u0627\u062e \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">** \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0632 \u062a\u0645\u0627\u0645\u06cc \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0633\u0631\u0639\u062a \u067e\u0627\u06cc\u06cc\u0646 \u0631\u0648\u0634 +AUSM \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0639\u062f\u062f \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0631\u0648 \u0627\u0646\u062a\u0634\u0627\u0631 \u067e\u0627\u06cc\u06cc\u0646 LD Roe-FDS (Low Diffusion Roe Flux-Difference Splitting) \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/strong><\/span><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0627 \u0647\u062f\u0641 \u06a9\u0627\u0647\u0634 \u0627\u0646\u062a\u0634\u0627\u0631 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a LES\u060c \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0632 \u0631\u0648\u0634 \u0627\u0635\u0644\u0627\u062d \u0634\u062f\u0647 \u062a\u062c\u0632\u06cc\u0647 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 \u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 \u067e\u0627\u06cc\u06cc\u0646 \u0631\u0648 (LD Roe-FDS) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0632 \u06cc\u06a9 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0639\u062f\u062f \u0645\u0627\u062e \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u0631\u0645 \u0627\u062a\u0644\u0627\u0641 \u0645\u0635\u0646\u0648\u0639\u06cc \u062f\u0631 \u0637\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0647\u06cc\u0628\u0631\u06cc\u062f\u06cc \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0648 \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u0648 \u0645\u0631\u06a9\u0632\u06cc (\u0631\u0648\u0634 \u062a\u0641\u0627\u0636\u0644 \u0634\u0627\u0631 \u0631\u0648) \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f\u060c \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0631\u0648\u0634 LD Roe-FDS \u062a\u0646\u0647\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 \u0622\u0634\u0641\u062a\u06af\u06cc LES \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0632\u0645\u0627\u0646\u06cc \u0636\u0645\u0646\u06cc \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062f\u0648\u06af\u0627\u0646\u0647 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u06a9\u0627\u0631\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0648\u0634 \u067e\u06cc\u0634\u0631\u0648 \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u062a\u062c\u0632\u06cc\u0647 \u0628\u0647 \u0634\u062f\u062a \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f \u062a\u0627 \u0628\u062a\u0648\u0627\u0646 \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062f\u0642\u062a \u0645\u0645\u06a9\u0646 \u062f\u0633\u062a \u06cc\u0627\u0641\u062a.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06af\u0633\u0633\u062a\u0647 \u0633\u0627\u0632\u06cc LD Roe-FDS \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0635\u0648\u062a \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0645\u0627\u062e \u0628\u0627\u0644\u0627 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u0632 \u0631\u0648\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f Roe-FDS \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u06a9\u0633\u0633\u062a\u0647 \u0633\u0627\u0632\u06cc \u067e\u06cc\u0634\u0631\u0648 \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u06af\u0633\u0633\u062a\u0647 \u0633\u0627\u0632\u06cc \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d (Explicit time)\u060c \u0645\u062a\u062f LD Roe-FDS \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0646\u06cc\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637 \u0631\u0648\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f Roe \u06cc\u0627 AUSM+ \u0648 \u06af\u0633\u0633\u062a\u0647 \u0633\u0627\u0632\u06cc \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627 \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/strong><\/span><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 FLUENT \u0633\u06cc\u0633\u062a\u0645 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 Coupled \u0628\u0647 \u062f\u0648 \u0635\u0648\u0631\u062a \u067e\u0627\u06cc\u0627 \u0648 \u0646\u0627\u067e\u0627\u06cc\u0627 \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u062d\u0627\u0644\u062a \u067e\u0627\u06cc\u0627 \u06cc\u06a9 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u062a\u0627 \u0632\u0645\u0627\u0646 \u062f\u0633\u062a \u06cc\u0627\u0641\u062a\u0646 \u0628\u0647 \u062d\u0644 \u067e\u0627\u06cc\u062f\u0627\u0631 \u0645\u0646\u0638\u0648\u0631 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u067e\u0627\u06cc\u0627 \u0628\u0647 \u062f\u0648 \u0635\u0648\u0631\u062a \u0635\u0631\u06cc\u062d (Explicit)\u0648\u06cc\u0627 \u0636\u0645\u0646\u06cc (Implicit) \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0642\u0633\u0645\u062a \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645\u0647\u0627\u06cc \u0645\u0630\u06a9\u0648\u0631 \u062a\u0634\u0631\u06cc\u062d \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627<\/strong><\/span><\/h4>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u0627\u0632 \u06cc\u06a9 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0648\u0627\u0628\u0633\u062a\u0647 \u0632\u0645\u0627\u0646\u06cc \u0686\u0646\u062f \u0645\u0631\u062d\u0644\u0647 ]11[ \u0628\u0631\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0632\u0645\u0627\u0646\u06cc \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (8) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u067e\u06cc\u0634\u0631\u0648\u06cc \u062d\u0644 \u0627\u0632 \u062a\u06a9\u0631\u0627\u0631 n \u0628\u0647 \u062a\u06a9\u0631\u0627\u0631 n+1 \u0628\u0627 \u0631\u0648\u0634 \u0631\u0627\u0646\u06af-\u06a9\u0648\u062a\u0627\u06cc m \u0645\u0631\u062d\u0644\u0647\u200c\u0627\u06cc \u0628\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f:<\/span><\/p>\n<p style=\"text-align: right;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9674 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit.png\" alt=\"\u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0635\u0631\u06cc\u062d \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627 \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"251\" height=\"310\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit.png 251w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-243x300.png 243w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-219x270.png 219w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\"><strong><em>\u03b1<sub>i<\/sub><\/em><\/strong> \u0636\u0631\u06cc\u0628 \u0686\u0646\u062f \u0645\u0631\u062d\u0644\u0647 \u0628\u0631\u0627\u06cc \u0645\u0631\u062d\u0644\u0647 i\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647 <strong><em>R<sup>i<\/sup><\/em><\/strong> \u0627\u0632 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u062d\u0644 <strong><em>Q<sup>i<\/sup><\/em><\/strong> \u0648 \u0628\u0631\u0627\u06cc \u0645\u0639\u0627\u062f\u0644\u0647 (8) \u0648 \u0628\u0631\u0627\u0633\u0627\u0633 \u0631\u0627\u0628\u0637\u0647 (15) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0646\u0631\u062e \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0686\u0646\u062f \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc <strong>(Full-Approximation Storage (FAS<\/strong> \u0634\u062f\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u06cc\u0627\u0628\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646\u200c\u06af\u06cc\u0631\u06cc \u0636\u0645\u0646\u06cc \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0647\u0631 \u0627\u0644\u0645\u0627\u0646 \u0648 \u0627\u0644\u0645\u0627\u0646\u0647\u0627\u06cc \u0647\u0645\u0633\u0627\u06cc\u0647 \u0622\u0646\u060c \u0646\u06cc\u0632 \u0627\u0641\u0632\u0627\u06cc\u0634 \u06cc\u0627\u0628\u062f. \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647\u200c\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0639\u0645\u0644\u06af\u0631 \u0647\u0645\u0648\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0627\u067e\u0644\u0627\u0633\u06cc \u0641\u06cc\u0644\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062f\u0648 \u062a\u06a9\u0631\u0627\u0631 \u0698\u0627\u06a9\u0648\u0628\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0627 <strong><em>\u0190=0.5<\/em><\/strong> \u06a9\u0627\u0641\u06cc \u0627\u0633\u062a.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9676 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627 \u062f\u0631 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"905\" height=\"629\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1.png 905w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1-300x209.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1-768x534.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1-360x250.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-explicit-1-600x417.png 600w\" sizes=\"auto, (max-width: 905px) 100vw, 905px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u2206t \u06af\u0627\u0645 \u0632\u0645\u06cc\u0646\u06cc \u06a9\u0647 \u0627\u0632 \u0634\u0631\u0637 CFL (<strong>Courant-Friedrichs-Lewy<\/strong>) \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">Af: \u0645\u0633\u0627\u062d\u062a \u0648\u062c\u0647 \u0627\u0644\u0645\u0627\u0646<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\"><strong><em>\u03bb<sub>f<\/sub><sup>max<\/sup><\/em><\/strong>: \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0648\u06cc\u0698\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (11)<\/span><\/p>\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0631\u0648\u0634 \u0636\u0645\u0646\u06cc \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627<\/strong><\/span><\/h4>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0631\u0648\u0634 \u0636\u0645\u0646\u06cc\u060c \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0636\u0645\u0646\u06cc \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0648\u0644\u0631 (\u0645\u0639\u0627\u062f\u0644\u0647 8)\u060c \u0628\u0627 \u062e\u0637\u06cc \u0633\u0627\u0632\u06cc \u0646\u06cc\u0648\u062a\u0646\u06cc \u0634\u0627\u0631\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0633\u06cc\u0633\u062a\u0645 \u062e\u0637\u06cc \u0628\u0641\u0631\u0645 \u0645\u062b\u0644\u062b\u06cc \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9681 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0631\u0648\u0634 \u0636\u0645\u0646\u06cc \u062f\u0631 \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u0627 \u0628\u0627 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"903\" height=\"387\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit.png 903w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit-300x129.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit-768x329.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit-360x154.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilicit-600x257.png 600w\" sizes=\"auto, (max-width: 903px) 100vw, 903px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (19) \u0645\u0631\u06a9\u0632 \u0648 \u0645\u0627\u062a\u0631\u06cc\u0633\u200c\u0647\u0627\u06cc \u0636\u0631\u0627\u0626\u0628 \u063a\u06cc\u0631 \u0627\u0632 \u0642\u0637\u0631\u060c <em><strong>D<\/strong><\/em> \u0648 <strong><em>S<sub>j,k<\/sub><\/em><\/strong> \u0627\u0632 \u0631\u0648\u0627\u0628\u0637 (20) \u0648 (21) \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647 \u0628\u0631\u062f\u0627\u0631 <strong><em>R<sup>n<\/sup><\/em><\/strong> \u0648 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u00a0\u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a (15) \u0648 (16) \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0645\u0639\u0627\u062f\u0644\u0647 (19) \u0628\u0647 \u0631\u0648\u0634 \u06af\u0648\u0633-\u0633\u0627\u06cc\u062f\u0644 \u0646\u0642\u0637\u0647 \u0628\u0647 \u0646\u0642\u0637\u0647 \u0628\u0647\u0645\u0631\u0627\u0647 \u0631\u0648\u0634 (Algebraic MultiGrid (AMG \u0645\u0646\u0637\u0628\u0642 \u0628\u0627 \u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u06a9\u0648\u067e\u0644 \u0634\u062f\u0647\u060c \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062e\u0644\u0627\u0635\u06cc \u0635\u0631\u06cc\u062d (Explicit Relaxation) \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0636\u0645\u0646\u06cc \u062f\u0631 \u062d\u0627\u0644\u062a \u067e\u0627\u06cc\u0627 \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u062f. \u0637\u0628\u0642 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u062e\u0644\u0627\u0635\u06cc \u0635\u0631\u06cc\u062d \u062f\u0631 \u062d\u0644\u06af\u0631 \u0636\u0645\u0646\u06cc \u0641\u0639\u0627\u0644 \u0628\u0648\u062f\u0647 \u0648 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 0.75 \u0627\u0633\u062a. \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 <strong><em>\u03b1 <\/em><\/strong>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0631\u062f\u0627\u0631 \u062d\u0644\u060c Q\u060c \u0631\u0627 \u062f\u0631 \u0647\u0631 \u062a\u06a9\u0631\u0627\u0631 \u0648 \u0628\u0639\u062f \u0627\u0632 \u0686\u0631\u062e\u0647 \u0686\u0646\u062f \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc AMG \u06a9\u0646\u062a\u0631\u0644 \u0646\u0645\u0627\u06cc\u06cc\u062f (\u0645\u0639\u0627\u062f\u0644\u0647 22). \u0628\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u06a9\u0645\u062a\u0631 \u0627\u0632 1 \u0628\u0631\u0627\u06cc \u03b1 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0628\u0631\u062f\u0627\u0631 \u062d\u0644 \u0632\u06cc\u0631-\u062e\u0644\u0627\u0635\u06cc (UnderRelaxed) \u06af\u0634\u062a\u0647 \u0648 \u062a\u0627\u0631\u06cc\u062e\u0686\u0647 \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0628\u0647\u0628\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u06cc\u0627\u0641\u062a. \u062e\u0627\u0637\u0631 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f \u062e\u0644\u0627\u0635\u06cc \u0635\u0631\u06cc\u062d \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062d\u0644\u06af\u0631 \u0641\u0634\u0627\u0631 \u0645\u0628\u0646\u0627 \u0648 \u062f\u0631 \u0645\u0648\u062f \u0648\u0636\u0639\u06cc\u062a \u067e\u0627\u06cc\u0627 (Steady State) \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9685 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation.png\" alt=\"\u062e\u0644\u0627\u0635\u06cc \u0635\u0631\u06cc\u062d \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"903\" height=\"68\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation.png 903w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation-300x23.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation-768x58.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation-360x27.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-explicit-relaxation-600x45.png 600w\" sizes=\"auto, (max-width: 903px) 100vw, 903px\" \/><\/p>\n<h5 style=\"text-align: right;\"><span style=\"color: #ff6600;\"><strong>\u0634\u062a\u0627\u0628 \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u06a9\u0634\u06cc\u062f\u0647<\/strong><\/span><\/h5>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0635\u0648\u0631\u062a \u0648\u062c\u0648\u062f \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u06a9\u0634\u06cc\u062f\u0647 \u0648 \u0628\u0627 \u0646\u0633\u0628 \u0645\u0646\u0638\u0631\u06cc (Aspect Ratio) \u0628\u0627\u0644\u0627 \u062f\u0631 \u0646\u0632\u062f\u06cc\u06a9\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u060c \u0631\u0648\u0634 \u0633\u0646\u062a\u06cc \u062d\u0644 \u0636\u0645\u0646\u06cc \u0627\u0632 \u0646\u0631\u062e \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0646\u062f\u06a9 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0645\u062d\u0644\u06cc \u0631\u0646\u062c \u0645\u06cc\u200c\u0628\u0631\u062f! \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (16) \u0628\u0631\u0627\u06cc \u062d\u0644 \u0636\u0645\u0646\u06cc \u0645\u06cc\u200c\u062a\u0648\u0648\u0627\u0646\u062f \u0628\u0631 \u0645\u0628\u0646\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u0637\u0648\u0644 \u0645\u0634\u062e\u0635\u0647 \u0627\u0644\u0645\u0627\u0646 \u062a\u0635\u062d\u06cc\u062d \u0648 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (23) \u0628\u0627\u0632 \u0646\u0648\u06cc\u0633\u06cc \u0634\u0648\u062f.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9688 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t.png\" alt=\"\u062a\u0635\u062d\u06cc\u062d \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0647\u0627\u06cc \u06a9\u0634\u06cc\u062f\u0647\" width=\"888\" height=\"130\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t.png 888w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t-300x44.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t-768x112.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t-360x53.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-steady-impilit-high-AR-delta-t-600x88.png 600w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\"><em><strong>AR<\/strong><\/em>: \u0646\u0633\u0628\u062a \u0645\u0646\u0638\u0631\u06cc \u0648 \u0628\u0631\u0627\u0628\u0631 \u0646\u0633\u0628\u062a \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u0637\u0648\u0644 \u0627\u0644\u0645\u0627\u0646 \u0628\u0647 \u06a9\u0648\u0686\u06a9\u062a\u0631\u06cc\u0646 \u0637\u0648\u0644 \u0622\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062a\u0639\u0631\u06cc\u0641 \u062c\u062f\u06cc\u062f \u0645\u0642\u062f\u0627\u0631 CFL \u0645\u062d\u0644\u06cc \u0627\u0632 \u06cc\u06a9 \u0627\u0644\u0645\u0627\u0646 \u0628\u0647 \u0627\u0644\u0645\u0627\u0646 \u062f\u06cc\u06af\u0631 \u0631\u0627 \u0628\u0637\u0648\u0631 \u0645\u0624\u062b\u0631\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u0633\u0628\u062a \u0645\u0646\u0638\u0631\u06cc \u0647\u0631 \u0627\u0644\u0645\u0627\u0646 \u0627\u0633\u062a\u0648\u0627\u0631 \u0627\u0633\u062a. \u062f\u0631 \u0645\u0648\u0627\u0642\u0639\u06cc \u06a9\u0647 \u0646\u0633\u0628\u062a \u0645\u0646\u0638\u0631\u06cc \u0627\u0644\u0645\u0627\u0646 \u0628\u0647 \u06cc\u06a9 \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0627\u0634\u062f\u060c \u0645\u0642\u062f\u0627\u0631 CFL \u0647\u0645\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0634\u0645\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631 \u062f\u0631 \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0627 \u0646\u0633\u0628\u062a \u0645\u0646\u0638\u0631\u06cc \u0628\u0627\u0644\u0627 \u0645\u0642\u062f\u0627\u0631 CFL \u062f\u0631 \u0646\u0633\u0628\u062a \u0645\u0646\u0638\u0631\u06cc \u0636\u0631\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u062a\u0639\u0631\u06cc\u0641 \u062c\u062f\u06cc\u062f \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0646\u0631\u062e \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0627\u00a0 <strong><em>Y<sup>+<\/sup><\/em><\/strong>\u00a0 \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0647 1 \u0631\u0627 \u0628\u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0646\u0627\u067e\u0627\u06cc\u0627 \u062f\u0631 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)<\/strong><\/span><\/h3>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u062f\u0631\u06af\u06cc\u0631 \u0628\u0627 \u0632\u0645\u0627\u0646 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u0631\u0648\u0634 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d \u0648 \u0636\u0645\u0646\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0644\u0627\u0632\u0645 \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0627\u0633\u062a \u06a9\u0647 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0628\u0627 \u0631\u0648\u0634 \u0636\u0645\u0646\u06cc \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u062f\u0648\u06af\u0627\u0646\u0647 (\u062f\u0648 \u062a\u06a9\u0631\u0627\u0631 \u0628\u0631\u0627\u06cc \u062d\u0644 \u06cc\u06a9 \u0645\u0633\u0626\u0644\u0647 \u0646\u0627\u067e\u0627\u06cc\u0627) \u0646\u06cc\u0632 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0642\u0633\u0645\u062a \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u06cc\u0627\u062f \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u0647\u0627\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627 \u0628\u0647 \u0627\u062e\u062a\u0635\u0627\u0631 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d<\/strong><\/span><\/h4>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u062a\u0642\u0631\u06cc\u0628 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d\u060c \u0627\u0632 \u0647\u0645\u0627\u0646 \u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647\u060c \u0628\u06a9\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0632 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0627\u0644\u0645\u0627\u0646 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u063a\u06cc\u0631 \u0641\u0639\u0627\u0644 \u0628\u0648\u062f\u0646 \u067e\u06cc\u0634 \u0634\u0631\u0637\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0631\u0648\u06cc\u06a9\u0631\u062f \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d\u060c \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0631\u0648\u0634 \u0635\u0631\u06cc\u062d \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0628\u0627\u0644\u0627 \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0632\u0645\u0627\u0646 \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 CFL \u00a0\u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u062f\u0642\u062a \u062d\u0644\u060c \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0635\u0631\u06cc\u062d \u0627\u0632 \u06cc\u06a9 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u0633\u0644\u0648\u0644\u200c\u0647\u0627\u06cc \u062f\u0627\u0645\u0646\u0647\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0628\u0647 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0633\u0631\u0627\u0633\u0631\u06cc (Global-Time Step) \u0646\u06cc\u0632 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0637\u0628\u0642 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u063a\u06cc\u0631 \u0641\u0639\u0627\u0644 \u0627\u0633\u062a. \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636\u060c \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0632 \u0631\u0648\u0634 4 \u0645\u0631\u062d\u0644\u0647\u200c\u0627\u06cc \u0631\u0627\u0646\u06af- \u06a9\u0648\u062a\u0627 (Runge Kutta) \u0628\u0631\u0627\u06cc \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/span><\/p>\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0636\u0645\u0646\u06cc (\u062f\u0648\u06af\u0627\u0646\u0647)<\/strong><\/span><\/h4>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0636\u0645\u0646\u06cc (\u062f\u0648\u06af\u0627\u0646\u0647) \u0628\u0631\u0627\u06cc \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 \u0635\u0631\u06cc\u062d \u0648 \u0636\u0645\u0646\u06cc \u0631\u0648\u0634 \u0686\u06af\u0627\u0644\u06cc-\u0645\u0628\u0646\u0627 \u062f\u0631 Fluent \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a. Fluent \u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062c\u0627\u0645 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0628\u0627 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0636\u0645\u0646\u06cc \u0627\u0632 \u06cc\u06a9 \u067e\u06cc\u0634 \u0634\u0631\u0637 \u0646\u0627\u067e\u0627\u06cc\u0627\u06cc \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u0627\u0632 \u0639\u062f\u062f \u0645\u0627\u062e \u067e\u0627\u06cc\u06cc\u0646 \u0648 \u0628\u0647 \u0645\u0646\u0638\u0648\u0631 \u062f\u0633\u062a\u06cc\u0627\u0628\u06cc \u0628\u0647 \u062f\u0642\u062a \u0645\u0646\u0627\u0633\u0628 \u062f\u0631 \u0647\u0631 \u062f\u0648 \u067e\u062f\u06cc\u062f\u0647 \u0647\u0645\u0631\u0641\u062a\u06cc (\u0645\u062b\u0644 \u0622\u0634\u0641\u062a\u06af\u06cc \u0646\u0627\u067e\u0627\u06cc\u0627) \u0648 \u067e\u0698\u0648\u0627\u06a9\u06cc (\u0647\u0645\u0627\u0646\u0646\u062f \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0645\u0648\u0627\u062c) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u062d\u0644 \u062f\u0642\u06cc\u0642 \u0632\u0645\u0627\u0646\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u067e\u06cc\u0634 \u0634\u0631\u0637\u060c \u0627\u0632 \u0631\u0648\u0634 \u0686\u0646\u062f \u0645\u0631\u062d\u0644\u0647 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u062f\u0648\u06af\u0627\u0646\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0647\u0645\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u06cc\u06a9 \u062a\u0631\u0645 \u0645\u0634\u062a\u0642 \u0632\u0645\u0627\u0646\u06cc \u0645\u062c\u0627\u0632\u06cc \u0628\u0647 \u0645\u0639\u0627\u062f\u0644\u0647 (27-9) \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9691 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit.png\" alt=\"\u0631\u0648\u0634 \u0636\u0645\u0646\u06cc \u062d\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0646\u0627\u067e\u0627\u06cc\u0627 \u0628\u0627 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627\" width=\"910\" height=\"302\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit.png 910w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit-300x100.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit-768x255.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit-360x119.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver-unsteady-impilicit-600x199.png 600w\" sizes=\"auto, (max-width: 910px) 100vw, 910px\" \/><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06a9\u0647 <strong><em>t<\/em><\/strong> \u0632\u0645\u0627\u0646 \u062d\u0642\u06cc\u0642\u06cc \u0648 <strong><em>\u01ae<\/em><\/strong> \u0632\u0645\u0627\u0646 \u0645\u062c\u0627\u0632\u06cc \u0628\u06a9\u0627\u0631 \u0631\u0641\u062a\u0647 \u062f\u0631 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0645\u06cc\u200c\u200c\u200c\u200c\u200c\u200c\u200c\u200c\u0628\u0627\u0634\u062f. \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u062f\u0631 \u0635\u0648\u0631\u062a <strong><em>\u01ae\u2192\u221e<\/em><\/strong>\u060c \u062a\u0631\u0645 \u062f\u0648\u0645 \u0633\u0645\u062a \u0686\u067e \u0645\u0639\u0627\u062f\u0644\u0647 (23) \u0635\u0641\u0631 \u0634\u062f\u0647 \u0648 \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0647 \u0628\u0647 \u062d\u0627\u0644\u062a \u0627\u0635\u0644\u06cc \u0645\u0639\u0627\u062f\u0644\u0647 (1) \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062a\u0631\u0645 \u0648\u0627\u0628\u0633\u062a\u0647 \u0632\u0645\u0627\u0646\u06cc \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (23) \u0628\u0647 \u0631\u0648\u0634 \u0636\u0645\u0646\u06cc \u0648 \u0628\u0635\u0648\u0631\u062a \u062f\u0642\u062a \u0645\u0631\u062a\u0628\u0647 \u0627\u0648\u0644 \u06cc\u0627 \u062f\u0648\u0645 \u062a\u0641\u0627\u0636\u0644 \u067e\u0633\u0631\u0648 \u062f\u0631 \u0632\u0645\u0627\u0646 \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06af\u0631\u062f\u062f (\u0645\u0639\u0627\u062f\u0644\u0647 24). \u00a0\u062a\u06a9\u0631\u0627\u0631 \u062f\u0627\u062e\u0644\u06cc \u0645\u0639\u06a9\u0648\u0633 \u0648 \u00a0\u0628\u0631 \u0627\u0633\u0627\u0633 \u0647\u0631 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0645\u062c\u0627\u0632\u06cc \u062f\u0631 \u0647\u0631 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0627\u0632 \u0635\u0641\u0631 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631 \u062f\u0631 \u0647\u0631 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0645\u0633\u0626\u0644\u0647 \u0628\u0635\u0648\u0631\u062a \u0633\u0639\u06cc \u0648 \u062e\u0637\u0627 \u062d\u0644 \u0634\u062f\u0647 \u062a\u0627 \u067e\u0627\u0633\u062e\u0647\u0627 \u0647\u0645\u06af\u0631\u0627 \u06af\u0631\u062f\u062f \u0648 \u0633\u067e\u0633 \u067e\u0627\u0633\u062e\u0647\u0627\u06cc \u0628\u062f\u0633\u062a \u0622\u0645\u062f\u0647 \u0628\u0639\u0646\u0648\u0627\u0646 \u0634\u0631\u0637 \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0627\u06cc \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0628\u0639\u062f\u06cc \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u062d\u0644 \u0647\u0631 \u0645\u0633\u0626\u0644\u0647 \u0646\u0627\u067e\u0627\u06cc\u0627 \u0627\u0632 \u062f\u0648 \u062a\u06a9\u0631\u0627\u0631 \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u06a9\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0627\u0648\u0644 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0648 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0648\u0645 (\u062a\u06a9\u0631\u0627\u0631 \u062f\u0627\u062e\u0644\u06cc) \u0628\u0631\u0627\u06cc \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0645\u062c\u0627\u0632\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0627\u062e\u0644\u06cc\u060c \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc \u0645\u062c\u0627\u0632\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0647\u0631 \u062f\u0648 \u0635\u0648\u0631\u062a \u0635\u0631\u06cc\u062d \u06cc\u0627 \u0636\u0645\u0646\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.\u00a0 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u062a\u06a9\u0631\u0627\u0631 \u062f\u0627\u062e\u0644\u06cc (\u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0632\u0645\u0627\u0646 \u0645\u062c\u0627\u0632\u06cc) <strong><em>w<sup>n<\/sup><\/em><\/strong> \u0648 <strong><em>w<sup>n-1<\/sup><\/em><\/strong> \u062b\u0627\u0628\u062a \u0628\u0648\u062f\u0647 \u0648 <strong><em>w<sup>k<\/sup><\/em><\/strong> \u0627\u0632 <strong><em>Q<sup>k<\/sup><\/em><\/strong> \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f. \u062f\u0631 \u0645\u0648\u0627\u0642\u0639\u06cc \u06a9\u0647 <strong><em>\u01ae\u2192\u221e<\/em><\/strong>\u060c \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0628\u0639\u062f\u06cc\u060c <strong><em>w<sup>n+1<\/sup><\/em><\/strong> \u0628\u0631 \u0627\u0633\u0627\u0633 <strong><em>w(Q<sup>k<\/sup>)<\/em><\/strong> \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u06a9\u0647 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u062d\u0642\u06cc\u0642\u06cc\u060c<strong><em>\u2206t<\/em><\/strong> \u060c \u062a\u0646\u0647\u0627 \u0628\u0648\u0633\u06cc\u0644\u0647 \u0633\u0637\u062d \u062f\u0642\u062a \u0645\u0648\u0642\u062a \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0645\u062d\u062f\u0648\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0645\u062c\u0627\u0632\u06cc<strong><em>\u060c<\/em><\/strong><strong><em>\u2206\u01ae<\/em><\/strong> \u060c \u0646\u06cc\u0632 \u0628\u0648\u0633\u06cc\u0644\u0647 \u0634\u0631\u0637 CFL \u062f\u0631 \u0631\u0648\u0634 \u0642\u062f\u0645 \u0632\u0646\u06cc \u0632\u0645\u0627\u0646\u06cc (\u0635\u0631\u06cc\u062d \u06cc\u0627 \u0636\u0645\u0646\u06cc) \u0645\u0646\u0638\u0648\u0631 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u062c\u062f\u0648\u0644 \u0632\u06cc\u0631 \u062a\u0645\u0627\u0645\u06cc \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0639\u062f\u062f\u06cc \u062d\u0644 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633 \u0647\u0645\u0631\u0627\u0647 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 \u062f\u0631 Fluent \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\n<p style=\"text-align: right;\">\u00a0<\/p>\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 \u062f\u0631 Fluent<\/span><\/strong><\/p>\n<table width=\"95%\">\n<thead>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #800000;\"><strong>Solution Method<\/strong><\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\">\n<p><span style=\"color: #800000;\"><strong>Density-Based Solver &#8211; Explicit Formulation<\/strong><\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #800000;\"><strong>Density-Based Solver &#8211; Implicit Formulation<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"4\">\n<p><span style=\"color: #ff0000;\">Steady-State<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #ff0000;\">\u2013 3-stage Runge-Kutta<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #ff0000;\">\u2013 local time step<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #ff0000;\">\u2013 local time step<\/span><\/p>\n<\/td>\n<td rowspan=\"3\">\n<p><span style=\"color: #ff0000;\">\u2013 time-derivative preconditioning<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #ff0000;\">\u2013 time-derivative preconditioning<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #ff0000;\">\u2014 FAS<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\n<p style=\"text-align: left;\"><span style=\"color: #008080;\">Unsteady &#8211; Explicit Time Stepping<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\">\n<p><span style=\"color: #008080;\">\u2013 4-stage Runge-Kutta<\/span><\/p>\n<\/td>\n<td style=\"text-align: left;\" rowspan=\"4\">\n<p><span style=\"color: #008080;\">N\/A<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #008080;\">\u2013 global time step<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #008080;\">\u2013 no time-derivative preconditioning<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #008080;\">\u2013 No FAS<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\n<p><span style=\"color: #993366;\">Unsteady &#8211; Implicit Time Stepping (dual-time formulation) First Order<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #993366;\">\u2013 dual-time formulation<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #993366;\">\u2013 dual-time formulation<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #993366;\">\u2013 Physical time: first order Euler backward<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #993366;\">\u2013 Physical time: first order Euler backward<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #993366;\">\u2013 preconditioned pseudo-time derivative<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #993366;\">\u2013 preconditioned pseudo-time derivative<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #993366;\">\u2013 inner iteration: explicit pseudo-time marching, 3-stage Runge-Kutta<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #993366;\">\u2013 inner iteration: implicit pseudo-time marching<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\n<p><span style=\"color: #000000;\">Unsteady &#8211; Implicit Time Stepping (dual-time formulation) Second Order<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #000000;\">\u2013 dual-time formulation<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #000000;\">\u2013 dual-time formulation<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #000000;\">\u2013 Physical time: second-order Euler backward<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #000000;\">\u2013 Physical time: second-order Euler backward<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"color: #000000;\">\u2013 preconditioned pseudo-time derivative<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"color: #000000;\">\u2013 preconditioned pseudo-time derivative<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">\n<p><span style=\"color: #000000;\">\u2013 inner iteration: explicit pseudo-time marching, 3-stage Runge-Kutta<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u2013 inner iteration: implicit pseudo-time marching<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n\n\n<p style=\"font-size:18px\" class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color wp-block-paragraph\"><strong><a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/\">\u0628\u0627\u0632\u06af\u0634\u062a<\/a><\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-background has-text-align-right has-medium-font-size has-vivid-red-color has-cyan-bluish-gray-background-color wp-block-paragraph\"><strong>\u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637<\/strong><\/p>\n\n\n\n<p style=\"font-size:18px\" class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color wp-block-paragraph\"><strong><a href=\"https:\/\/cfd-mrk.ir\/index.php\/about-cfd\/cfd-application\/flow-regimes-simulation\/compessible-and-incompressible-flow\/\">\u062d\u0644 \u0645\u06cc\u062f\u0627\u0646\u200c\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u062a\u0631\u0627\u06a9\u0645\u200c\u0646\u0627\u067e\u0630\u06cc\u0631 \u0648 \u062a\u0631\u0627\u06a9\u0645 \u067e\u0630\u06cc\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD<\/a><\/strong><\/p>\n\n\n\n<p style=\"font-size:18px\" class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color wp-block-paragraph\"><strong><a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/pressure-and-density-based-solvers\/\">\u0645\u0639\u0631\u0641\u06cc \u062d\u0644\u06af\u0631\u0647\u0627\u06cc \u0641\u0634\u0627\u0631 \u0645\u0628\u0646\u0627 \u0648 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627<\/a><\/strong><\/p>\n\n\n\n<p style=\"font-size:18px\" class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color wp-block-paragraph\"><strong><a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/pressure-based-solver\/\">\u062d\u0644\u06af\u0631 \u0641\u0634\u0627\u0631 \u0645\u0628\u0646\u0627 (Pressure-Based)<\/a><\/strong><\/p>\n\n\n\n<p style=\"font-size:18px\" class=\"has-text-color has-text-align-left has-cyan-bluish-gray-color wp-block-paragraph\"><em><a href=\"https:\/\/cfd-mrk.ir\/index.php\/contact-us\/\"><strong>\u0628\u0631\u0627\u06cc \u06a9\u0633\u0628 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627 \u0645\u0627 \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f<\/strong><\/a><\/em><\/p>\n\n\n\n<p style=\"color:#0800a3\" class=\"has-text-color has-text-align-left wp-block-paragraph\"><strong><em><a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/mohammad-reza-kelich-cv\/\">\u0645\u062d\u0645\u062f\u0631\u0636\u0627 \u06a9\u0644\u06cc\u0686<\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 Density-Based Solver \u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u067e\u06cc\u0648\u0633\u062a\u06af\u06cc\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u0648 \u06af\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0628\u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0633\u0627\u06cc\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0645\u0631\u0628\u0648\u0637&hellip;&nbsp;<a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":9645,"parent":3477,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9640","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk<\/title>\n<meta name=\"description\" content=\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk\" \/>\n<meta property=\"og:description\" content=\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/\" \/>\n<meta property=\"og:site_name\" content=\"cfd-mrk\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver.png\" \/>\n\t<meta property=\"og:image:width\" content=\"537\" \/>\n\t<meta property=\"og:image:height\" content=\"584\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0632\u0645\u0627\u0646 \u062a\u0642\u0631\u06cc\u0628\u06cc \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 \u062f\u0642\u06cc\u0642\u0647\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/\",\"url\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/\",\"name\":\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/density-based-solver.png\",\"datePublished\":\"2020-07-26T14:51:00+00:00\",\"description\":\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/#breadcrumb\"},\"inLanguage\":\"fa-IR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fa-IR\",\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/#primaryimage\",\"url\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/density-based-solver.png\",\"contentUrl\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2020\\\/07\\\/density-based-solver.png\",\"width\":537,\"height\":584,\"caption\":\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/density-based-solver\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u062e\u0627\u0646\u0647\",\"item\":\"https:\\\/\\\/cfd-mrk.ir\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0622\u0645\u0648\u0632\u0634\",\"item\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u062a\u062d\u0644\u06cc\u0644 \u062c\u0631\u06cc\u0627\u0646\",\"item\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"\u0645\u0628\u0627\u0646\u06cc \u062a\u0626\u0648\u0631\u06cc CFD\",\"item\":\"https:\\\/\\\/cfd-mrk.ir\\\/index.php\\\/training\\\/flow-analysis\\\/fundamentals-of-cfd\\\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/#website\",\"url\":\"https:\\\/\\\/cfd-mrk.ir\\\/\",\"name\":\"cfd-mrk\",\"description\":\"\u0645\u0628\u0627\u0646\u06cc \u0648 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc (CFD)\",\"publisher\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/#\\\/schema\\\/person\\\/b2fd01b9e8990d867baebf51945fa8be\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/cfd-mrk.ir\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fa-IR\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/#\\\/schema\\\/person\\\/b2fd01b9e8990d867baebf51945fa8be\",\"name\":\"\u0646\u0648\u06cc\u0633\u0646\u062f\u0647\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fa-IR\",\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/cropped-logo_royal-2.png\",\"url\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/cropped-logo_royal-2.png\",\"contentUrl\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/cropped-logo_royal-2.png\",\"width\":100,\"height\":73,\"caption\":\"\u0646\u0648\u06cc\u0633\u0646\u062f\u0647\"},\"logo\":{\"@id\":\"https:\\\/\\\/cfd-mrk.ir\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/cropped-logo_royal-2.png\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk","description":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/","og_locale":"fa_IR","og_type":"article","og_title":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk","og_description":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...","og_url":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/","og_site_name":"cfd-mrk","og_image":[{"width":537,"height":584,"url":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u0632\u0645\u0627\u0646 \u062a\u0642\u0631\u06cc\u0628\u06cc \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646":"2 \u062f\u0642\u06cc\u0642\u0647"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/","url":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/","name":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) - cfd-mrk","isPartOf":{"@id":"https:\/\/cfd-mrk.ir\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/#primaryimage"},"image":{"@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/#primaryimage"},"thumbnailUrl":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver.png","datePublished":"2020-07-26T14:51:00+00:00","description":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver) \u06cc\u06a9 \u0646\u0648\u0639 \u062d\u0644\u06af\u0631 \u06a9\u0648\u067e\u0644\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0644\u06af\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u0643\u0645 \u067e\u064a\u0648\u0633\u062a\u06af\u064a\u060c \u0645\u0645\u0646\u062a\u0645 \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u064a\u0627\u0632 \u0627\u0646\u0631\u0698\u064a \u0648 ...","breadcrumb":{"@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/#breadcrumb"},"inLanguage":"fa-IR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/"]}]},{"@type":"ImageObject","inLanguage":"fa-IR","@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/#primaryimage","url":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver.png","contentUrl":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/07\/density-based-solver.png","width":537,"height":584,"caption":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)"},{"@type":"BreadcrumbList","@id":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/density-based-solver\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u062e\u0627\u0646\u0647","item":"https:\/\/cfd-mrk.ir\/"},{"@type":"ListItem","position":2,"name":"\u0622\u0645\u0648\u0632\u0634","item":"https:\/\/cfd-mrk.ir\/index.php\/training\/"},{"@type":"ListItem","position":3,"name":"\u062a\u062d\u0644\u06cc\u0644 \u062c\u0631\u06cc\u0627\u0646","item":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/"},{"@type":"ListItem","position":4,"name":"\u0645\u0628\u0627\u0646\u06cc \u062a\u0626\u0648\u0631\u06cc CFD","item":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/"},{"@type":"ListItem","position":5,"name":"\u062d\u0644\u06af\u0631 \u0686\u06af\u0627\u0644\u06cc \u0645\u0628\u0646\u0627 (Density-Based Solver)"}]},{"@type":"WebSite","@id":"https:\/\/cfd-mrk.ir\/#website","url":"https:\/\/cfd-mrk.ir\/","name":"cfd-mrk","description":"\u0645\u0628\u0627\u0646\u06cc \u0648 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc (CFD)","publisher":{"@id":"https:\/\/cfd-mrk.ir\/#\/schema\/person\/b2fd01b9e8990d867baebf51945fa8be"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cfd-mrk.ir\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fa-IR"},{"@type":["Person","Organization"],"@id":"https:\/\/cfd-mrk.ir\/#\/schema\/person\/b2fd01b9e8990d867baebf51945fa8be","name":"\u0646\u0648\u06cc\u0633\u0646\u062f\u0647","image":{"@type":"ImageObject","inLanguage":"fa-IR","@id":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2019\/02\/cropped-logo_royal-2.png","url":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2019\/02\/cropped-logo_royal-2.png","contentUrl":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2019\/02\/cropped-logo_royal-2.png","width":100,"height":73,"caption":"\u0646\u0648\u06cc\u0633\u0646\u062f\u0647"},"logo":{"@id":"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2019\/02\/cropped-logo_royal-2.png"}}]}},"_links":{"self":[{"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/pages\/9640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/comments?post=9640"}],"version-history":[{"count":47,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/pages\/9640\/revisions"}],"predecessor-version":[{"id":9709,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/pages\/9640\/revisions\/9709"}],"up":[{"embeddable":true,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/pages\/3477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/media\/9645"}],"wp:attachment":[{"href":"https:\/\/cfd-mrk.ir\/index.php\/wp-json\/wp\/v2\/media?parent=9640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}