{"id":2651,"date":"2019-07-06T13:54:48","date_gmt":"2019-07-06T10:24:48","guid":{"rendered":"https:\/\/cfd-mrk.ir\/?page_id=2651"},"modified":"2019-12-23T17:15:34","modified_gmt":"2019-12-23T13:45:34","slug":"acoustic","status":"publish","type":"page","link":"https:\/\/cfd-mrk.ir\/index.php\/about-cfd\/cfd-application\/flow-regimes-simulation\/acoustic\/","title":{"rendered":"\u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (\u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD"},"content":{"rendered":"\n

\u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (\u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD<\/h2>\n\n\n\n

Aerodynamic Noise (Acoustic) Simulation in CFD Softwares<\/h2>\n\n\n\n

\u0645\u0642\u0648\u0644\u0647 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (Acoustic) \u0627\u0631\u062a\u0628\u0627\u0637 \u062a\u0646\u06af\u0627\u062a\u0646\u06af\u06cc \u0628\u0627 \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u062f\u0627\u0631\u062f. \u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u0627\u0632 \u0627\u063a\u062a\u0634\u0627\u0634 \u0628\u0648\u062c\u0648\u062f \u0622\u0645\u062f\u0647 \u0627\u0632 \u062f\u0644 \u0633\u06cc\u0627\u0644 \u062a\u0631\u0627\u06a9\u0645 \u067e\u0630\u06cc\u0631 (\u0645\u0639\u0645\u0648\u0644\u0627 \u0647\u0648\u0627) \u0628\u062e\u0627\u0637\u0631 \u062d\u0631\u06a9\u062a \u0627\u062c\u0633\u0627\u0645 \u06cc\u0627 \u0633\u06cc\u0627\u0644\u060c \u0646\u0627\u0634\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u063a\u062a\u0634\u0627\u0634\u0627\u062a \u0646\u0627\u0634\u06cc \u0627\u0632 \u062e\u0648\u0627\u0647 \u062d\u0631\u06a9\u062a \u0627\u062c\u0633\u0627\u0645 \u062f\u0631 \u0633\u06cc\u0627\u0644 \u0648 \u06cc\u0627 \u062e\u0648\u0627\u0647 \u062d\u0631\u06a9\u062a \u062e\u0648\u062f \u0633\u06cc\u0627\u0644 \u0645\u0648\u062c\u0628 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u0634\u0627\u0631 \u0648 \u0645\u062a\u0639\u0627\u0642\u0628\u0627 \u0686\u06af\u0627\u0644\u06cc \u0634\u062f\u0647 \u0648 \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u062f\u0631 \u0633\u06cc\u0627\u0644 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0627\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0628\u0635\u0648\u0631\u062a \u0646\u0648\u0633\u0627\u0646\u06cc \u0628\u0648\u062f\u0647 \u0648 \u0645\u0646\u0628\u0639 \u062a\u0648\u0644\u06cc\u062f \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0645\u0628\u0627\u062d\u062b \u0645\u0647\u0646\u062f\u0633\u06cc \u0627\u0646\u062f\u0627\u0632\u0647 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0641\u0634\u0627\u0631 \u0646\u0633\u0628\u062a \u0628\u0647 \u0641\u0634\u0627\u0631 \u0645\u062d\u06cc\u0637 \u0628\u0647 \u0633\u0637\u062d \u0641\u0634\u0627\u0631 \u0635\u0648\u062a (Sound Pressure Level) \u0645\u0639\u0631\u0648\u0641 \u0627\u0633\u062a.<\/p>\n\n\n\n

\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0635\u062f\u0627\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0632 \u0644\u062d\u0627\u0638 \u0641\u0646\u06cc \u062f\u0631 \u0635\u0646\u0639\u062a \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f \u0627\u0632 \u0627\u063a\u062a\u0634\u0627\u0634\u0627\u062a \u062c\u0631\u06cc\u0627\u0646 \u0633\u06cc\u0627\u0644 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u062f\u06cc\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062f\u0631 \u0686\u0647\u0627\u0631\u0686\u0648\u0628 \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0622\u0646\u0627\u0644\u06cc\u0632 \u0648 \u062f\u0631\u06a9 \u0646\u0645\u0648\u062f. \u0645\u0647\u0645\u062a\u0631\u06cc\u0646 \u0645\u0633\u0626\u0644\u0647 \u062f\u0631 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0639\u062f\u062f\u06cc \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u0627\u0635\u0648\u0627\u062a \u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0645\u062a\u0631\u06cc (\u0628\u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0631\u062a\u0628\u0637 -Order- \u06a9\u0645\u062a\u0631) \u0646\u0633\u0628\u062a \u0628\u0647 \u062c\u0631\u06cc\u0627\u0646 \u0633\u06cc\u0627\u0644 \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u0645\u0633\u0626\u0644\u0647 \u0628\u0627\u0639\u062b \u0628\u0631\u0648\u0632 \u0686\u0627\u0644\u0634 \u0628\u0633\u06cc\u0627\u0631 \u062c\u062f\u06cc \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0635\u062f\u0627\u0647\u0627 \u0628\u0648\u06cc\u0698\u0647 \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0648\u0631 \u062f\u0633\u062a (Far-Feild) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc CFD \u0645\u06cc\u200c\u0634\u0648\u062f. \u0686\u0627\u0644\u0634 \u0645\u0647\u0645 \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0633\u062e\u062a\u06cc \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u062f\u0642\u06cc\u0642 \u067e\u062f\u06cc\u062f\u0647\u200c\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0633\u06cc\u0627\u0644 \u0646\u0638\u06cc\u0631 \u0622\u0634\u0641\u062a\u06af\u06cc \u062f\u0631 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 (Near Feild) -\u06a9\u0647 \u0645\u0646\u0628\u0639 \u062a\u0648\u0644\u06cc\u062f \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u0627\u0633\u062a- \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/p>\n\n\n\n

\u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0633\u0631\u0639\u062a \u0648 \u0641\u0634\u0627\u0631 \u062f\u0631 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0646\u0642\u0634\u06cc \u06a9\u0644\u06cc\u062f\u06cc (\u06cc\u06a9 \u062a\u0631\u0645 \u0686\u0634\u0645\u0647 \u0645\u062d\u0644\u06cc \u0646\u0648\u06cc\u0632) \u062f\u0631 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0648 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0641\u0636\u0627\u06cc \u062f\u0648\u0631\u062f\u0633\u062a \u0628\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u0639\u0645\u0648\u0644\u0627 \u0646\u0648\u06cc\u0632 \u062f\u0648\u0631\u062f\u0633\u062a \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u062a\u0631\u06cc\u0646 \u062f\u063a\u062f\u063a\u0647\u200c\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u0627\u0646 \u0628\u0648\u06cc\u0698\u0647 \u062f\u0631 \u062d\u0648\u0632\u0647 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0644\u0632\u0627\u0645 \u0637\u0631\u0627\u062d\u06cc \u0628\u0631\u0627\u06cc\u0646 \u0628\u0627\u0634\u062f \u06a9\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0633\u0637\u062d \u0641\u0634\u0627\u0631 \u0635\u062f\u0627 (Sound Pressure Level) \u062f\u0631 \u06cc\u06a9 \u0641\u0627\u0635\u0644\u0647 \u0645\u0639\u06cc\u0646 \u0627\u0632 \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u062d\u062f\u0627\u0642\u0644\u06cc \u0645\u0634\u062e\u0635\u06cc \u0628\u0631\u0633\u062f. <\/p>\n\n\n\n

\u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0641\u0634\u0627\u0631 \u0648 \u0633\u0631\u0639\u062a \u0628\u0639\u0644\u0627\u0648\u0647 \u062d\u0631\u06a9\u062a \u0627\u062c\u0633\u0627\u0645 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u062f\u0631 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0645\u0646\u062c\u0631 \u0628\u0647 \u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0645\u06cc\u200c\u0634\u0648\u062f \u0647\u0631 \u0686\u0646\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u062a\u0639\u0631\u06cc\u0641 \u062f\u0642\u06cc\u0642 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0686\u0647 \u0628\u0627\u0634\u062f. \u0635\u0631\u0641 \u0646\u0638\u0631 \u0627\u0632 \u062a\u0639\u0631\u06cc\u0641\u0627\u062a \u0645\u0631\u0633\u0648\u0645\u060c \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0645\u06a9\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0633\u0637\u062d \u0646\u0648\u06cc\u0632 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc\u200c\u0627\u0641\u062a\u062f. \u0628\u0631\u0627\u06cc \u0627\u063a\u0644\u0628 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc CFD\u060c \u06af\u0633\u062a\u0631\u0634 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u0646\u0648\u06cc\u0632 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0631\u0627 \u0628\u062a\u0648\u0627\u0646 \u0622\u0646\u0627\u0644\u06cc\u0632 \u0648 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0646\u0645\u0648\u062f \u0686\u0631\u0627\u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0648\u0631\u062f\u0633\u062a \u0645\u0633\u062a\u0644\u0632\u0645 \u0634\u0628\u06a9\u0647 \u0645\u0646\u0627\u0633\u0628 (\u0645\u0639\u0645\u0648\u0644\u0627 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0631\u06cc\u0632) \u0648 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 (\u0645\u0639\u0645\u0648\u0644\u0627 \u06af\u0627\u0645 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0648\u0686\u06a9) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u0642\u0631\u0648\u0646 \u0628\u0647 \u0635\u0631\u0641\u0647\u200c\u062a\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0631\u0648\u0627\u0628\u0637 \u062a\u062c\u0631\u0628\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0648\u06cc\u0632 \u062f\u0631 \u062f\u0648\u0631\u062f\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f.<\/p>\n\n\n\n

\u0645\u0646\u0627\u0628\u0639 \u0646\u0648\u06cc\u0632<\/strong><\/p>\n\n\n\n

\u062f\u0644\u0627\u06cc\u0644 \u0627\u06cc\u062c\u0627\u062f \u0646\u0648\u06cc\u0632 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f. \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631 \u0686\u0646\u062f\u06cc\u062f \u0645\u0646\u0628\u0639 \u0645\u0648\u06cc\u0632 \u0645\u062a\u0641\u0627\u0648\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u0645\u0646\u0627\u0628\u0639 \u0627\u06cc\u062c\u0627\u062f \u0646\u0648\u06cc\u0632 \u0628\u0647 \u0633\u0647 \u062f\u0633\u062a\u0647 \u062a\u06a9 \u0642\u0637\u0628\u06cc (Monopole)\u060c \u062f\u0648 \u0642\u0637\u0628\u06cc (Dipole) \u0648 \u0686\u0647\u0627\u0631\u0642\u0637\u0628\u06cc ( quadrupole) \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. <\/p>\n\n\n\n

\u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u062a\u06a9 \u0642\u0637\u0628\u06cc<\/strong><\/p>\n\n\n\n

\u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u0628\u062e\u0627\u0637\u0631 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u06cc\u06a9 \u0645\u0631\u0632 \u0645\u062a\u062d\u0631\u06a9 \u0648 \u0639\u0645\u0648\u062f \u0628\u0631 \u0633\u06cc\u0627\u0644 \u0628\u0627\u0639\u0646\u0648\u0627\u0646 \u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u0627\u0632 \u06cc\u06a9 \u0645\u0646\u062a\u0628\u0639 \u062a\u06a9 \u0642\u0637\u0628\u06cc \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0642\u062f\u0631\u062a \u0645\u0646\u0628\u0639 \u062a\u06a9 \u0642\u0637\u0628\u06cc \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0633\u0631\u0639\u062a \u0639\u0645\u0648\u062f \u0628\u0631 \u0633\u06cc\u0627\u0644 \u0645\u0631\u0632 \u0645\u062a\u062d\u0631\u06a9 \u0627\u0633\u062a. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0646\u0628\u0639 \u062a\u06a9 \u0642\u0632\u0628\u06cc \u0628\u0627 \u0639\u0646\u0627\u0648\u06cc\u0646\u06cc \u0647\u0645\u0686\u0648\u0646 Self Noise \u0648 \u06cc\u0627 Thickness Noise \u0646\u06cc\u0632 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. <\/p>\n\n\n\n

\u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u062f\u0648 \u0642\u0637\u0628\u06cc<\/strong><\/p>\n\n\n\n

\u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u0628\u0648\u0627\u0633\u0637\u0647 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0646\u0627\u0634\u06cc \u0627\u0632 \u0641\u0634\u0627\u0631 \u0631\u0648\u06cc \u0633\u0637\u062d \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc CFD -\u06a9\u0647 \u0633\u0637\u062d \u0627\u0644\u0632\u0627\u0645\u0627 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0633\u062a- \u0645\u0646\u0628\u0639 \u062f\u0648 \u0642\u0637\u0628\u06cc \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06af\u0631 \u0633\u0637\u062d \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u062d\u0631\u06a9\u062a \u062f\u0648\u0631\u0627\u0646\u06cc \u0628\u0627 \u0633\u0631\u0639\u062a \u062f\u0648\u0631\u0627\u0646\u06cc \u0645\u0634\u062e\u0635 \u0648 \u06cc\u06a9 \u0645\u062d\u0648\u0631 \u062f\u0648\u0631\u0627\u0646 \u0645\u0634\u062e\u0635 \u0628\u0627\u0634\u062f \u0622\u0646\u06af\u0627\u0647 \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 \u0645\u0646\u0628\u0639 \u062f\u0648 \u0642\u0637\u0628\u06cc \u062f\u0648\u0627\u0631 (Rotating Dipole Source) \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0645\u0646\u0627\u0628\u0639 \u062f\u0648 \u0642\u0637\u0628\u06cc \u06cc\u0627 \u062f\u0648 \u0642\u0637\u0628\u06cc \u062f\u0648\u0627\u0631 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u0631\u0648\u06cc \u0633\u0637\u0648\u062d \u0647\u0633\u062a\u0646\u062f. \u0628\u0639\u0636\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0646\u0627\u0628\u0639 \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 \u0646\u0648\u06cc\u0632 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 (Loading Noise) \u0646\u06cc\u0632 \u0627\u0633\u0645 \u0628\u0631\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062c\u0627\u0646 \u06a9\u0644\u0627\u0645 \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u06cc\u0646 \u0645\u0646\u0627\u0628\u0639 \u0627\u06cc\u0646\u06a9\u0647 \u0646\u06cc\u0631\u0648\u0647\u0627\u06cc \u0645\u0648\u0644\u062f \u0635\u0648\u062a \u0631\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u06cc\u062f\u0627\u0646 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0628\u0637\u0648\u0631 \u062f\u0642\u06cc\u0642 \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0645\u0648\u062f. \u0627\u0645\u0627 \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 (Lighthill) \u0627\u0632 \u0647\u0631 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u062f\u0648\u06af\u0627\u0646\u0647 \u0628\u06cc\u0646 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0648 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0635\u0631\u0641\u0647 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0686\u0631\u0627 \u06a9\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0641\u0648\u0642 \u0628\u0627 \u0641\u0631\u0636 \u0627\u06cc\u0646\u06a9\u0647 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0646\u0633\u0628\u062a \u0628\u0647 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0633\u06cc\u0627\u0644 \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0627\u0633\u062a\u060c \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0634\u062f\u0647\u200c\u0627\u0646\u062f. \u0627\u0644\u0628\u062a\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637 \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u062a\u0646\u0647\u0627 \u0646\u06cc\u0631\u0648\u06cc \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc\u060c \u0628\u0647 \u067e\u0627\u0633\u062e\u200c\u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0648 \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0631\u0633\u06cc\u062f. \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u062d\u062a\u06cc \u062f\u0631 \u0628\u0631\u062e\u06cc \u0627\u0648\u0642\u0627\u062a \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u06cc\u0631\u0648\u200c\u0647\u0627\u06cc \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u0627\u0632 \u0646\u06cc\u0631\u0648\u200c\u0647\u0627\u06cc \u0627\u0635\u0637\u06a9\u0627\u06a9\u06cc \u0646\u06cc\u0632 \u0635\u0631\u0641\u0647 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0686\u0631\u0627\u06a9\u0647 \u0627\u06cc\u0646 \u0646\u06cc\u0631\u0648\u0647\u0627 \u0646\u06cc\u0632 \u0628\u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u06a9\u0645\u062a\u0631 \u0627\u0632 \u0646\u06cc\u0631\u0648\u0647\u0627\u06cc \u0641\u0634\u0627\u0631\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f! \u0627\u0644\u0628\u062a\u0647 \u062a\u0645\u0627\u0645 \u0627\u06cc\u0646 \u0645\u0641\u0631\u0648\u0636\u0627\u062a \u0648 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u200c\u0647\u0627\u060c \u0628\u0647 \u0631\u0698\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646\u060c \u062f\u0642\u062a \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0648 \u0645\u062f\u0644 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n

\u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u0686\u0647\u0627\u0631\u0642\u0637\u0628\u06cc<\/strong><\/p>\n\n\n\n

\u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u062f\u0627\u062e\u0644 \u0645\u06cc\u062f\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0647 \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u0686\u0647\u0627\u0631\u0642\u0637\u0628\u06cc \u0645\u0639\u0631\u0648\u0641 \u0627\u0633\u062a. \u0646\u0648\u06cc\u0632\u0647\u0627\u06cc \u0686\u0627\u0631\u0642\u0637\u0628\u06cc \u0628\u0631\u062e\u0627\u0633\u062a\u0647 \u0627\u0632 \u062f\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0628\u062e\u0627\u0637\u0631 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0622\u0634\u0641\u062a\u06af\u06cc \u062f\u0631 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0647\u0627 (Wakes)\u060c \u0644\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc \u0628\u0631\u0634\u06cc (Shear layers) \u06cc\u0627 \u0627\u0646\u062f\u0631\u06a9\u0646\u0634 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0633\u06cc\u0627\u0644 (Reaction of Flow Features) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627\u0626\u06cc\u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0633\u0647 \u0628\u0639\u062f\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0632 \u0627\u06cc\u0646\u200c\u0631\u0648 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0645\u0646\u0627\u0628\u0639 \u0686\u0647\u0627\u0631\u0642\u0637\u0628\u06cc \u0646\u0648\u06cc\u0632 \u0628\u0633\u06cc\u0627\u0631 \u06af\u0631\u0627\u0646\u0642\u06cc\u0645\u062a \u0648 \u0647\u0632\u06cc\u0646\u0647\u200c\u0628\u0631 \u0627\u0633\u062a. \u062f\u0631 \u0686\u0646\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637\u06cc \u0645\u0639\u0645\u0648\u0644\u0627 \u0627\u0632 \u062a\u0631\u0645 \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0686\u06af\u0627\u0644\u06cc \u062f\u0631 \u062a\u0627\u0646\u0633\u0648\u0631 \u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 \u0635\u0631\u0641 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0686\u0631\u0627\u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0645\u062a\u0631 \u0627\u0632 \u062a\u0646\u0634\u200c\u0647\u0627\u06cc \u0641\u0634\u0627\u0631\u06cc \u0648 \u0622\u0634\u0641\u062a\u06af\u06cc (\u062a\u0646\u0634\u200c\u0647\u0627\u06cc \u0631\u06cc\u0646\u0648\u0644\u062f\u0632) \u0627\u0633\u062a.<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0639\u062f\u062f\u06cc \u0645\u062d\u0627\u0633\u0628\u0647\u200c\u06cc \u0646\u0648\u06cc\u0632<\/strong><\/p>\n\n\n\n

\u0646\u0638\u0631 \u0628\u0647 \u06af\u0633\u062a\u0631\u062f\u06af\u06cc\u060c \u062f\u06cc\u0633\u06cc\u067e\u0644\u06cc\u0646 \u0648 \u0686\u0627\u0644\u0634\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc\u060c \u063a\u06cc\u0631\u0647 \u0645\u0646\u062a\u0638\u0631\u0647 \u0646\u06cc\u0633\u062a \u06a9\u0647 \u062a\u0642\u0631\u06cc\u0628\u200c\u0647\u0627\u06cc \u0639\u062f\u062f\u06cc \u0645\u062a\u0639\u062f\u062f\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc \u0645\u062a\u0646\u0648\u0639\u06cc \u0646\u0638\u06cc\u0631 \u06a9\u0627\u0631\u0628\u0631\u06cc\u060c \u0647\u0632\u06cc\u0646\u0647 \u0648 \u062c\u0627\u0645\u0639\u06cc\u062a\u060c \u0637\u06cc \u0633\u0627\u0644\u200c\u0647\u0627 \u062a\u0648\u0633\u0639\u0647 \u06cc\u0627\u0641\u062a\u0647 \u0648 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u0633\u0647 \u0631\u0648\u0634 \u0645\u062a\u062f\u0627\u0648\u0644 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u062f\u0631 CFD \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n\n\n\n

1- \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 (Direct Method)<\/p>\n\n\n\n

2- \u0631\u0648\u0634 \u0627\u0646\u062a\u0631\u06af\u0631\u0627\u0644\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (Integral Method Based on Acoustic Analogy) <\/p>\n\n\n\n

3- \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u067e\u0647\u0646\u200c\u0628\u0627\u0646\u062f (Broadband Noise Source Models)<\/p>\n\n\n\n

\u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645<\/strong><\/p>\n\n\n\n

\u062f\u0631 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u060c \u0647\u0631 \u062f\u0648 \u0646\u0648\u0639 \u0627\u0632 \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u06cc\u0627 \u0627\u0646\u062a\u0634\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u0628\u0635\u0648\u0631\u062a \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648 \u0628\u0627 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a\u06cc \u0645\u0646\u0627\u0633\u0628 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0645\u06cc\u0634\u0647 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u0645\u0633\u062a\u0644\u0632\u0645 \u062f\u0642\u062a \u0632\u0645\u0627\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0639\u0644\u0627\u0648\u0647 \u062f\u0631 \u0628\u06cc\u0634\u062a\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u062a\u062c\u0631\u0628\u06cc \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f \u06a9\u0647 \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0645\u062f\u0644\u0633\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0627\u062b\u0631\u0627\u062a \u0644\u0632\u062c\u062a \u0648 \u0622\u0634\u0641\u062a\u06af\u06cc \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0627\u067e\u0627\u06cc\u0627\u06cc \u0646\u0627\u0648\u06cc\u0631-\u0627\u0633\u062a\u0648\u06a9\u0633 (\u0631\u0648\u0634 DNS)\u060c \u0645\u0639\u0627\u062f\u0644\u0627\u062a RANS \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 SAS\/DES\/SDES\/SBES \u0648 LES \u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u062d\u0644 \u0645\u06cc\u062f\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646 \u0622\u0634\u0641\u062a\u0647 \u0628\u0634\u0645\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f.<\/p>\n\n\n\n

\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u0641\u0648\u0642\u060c \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0632 \u0644\u062d\u0627\u0638 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0645\u0634\u06a9\u0644 \u0648 \u06af\u0631\u0627\u0646\u0642\u06cc\u0645\u062a \u0627\u0633\u062a \u0628\u0648\u06cc\u0698\u0647 \u0627\u06af\u0631 \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0648\u0631\u062f\u0633\u062a(FarField) \u0645\u062f \u0646\u0638\u0631 \u0628\u0627\u0634\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0646\u0648\u06cc\u0632 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u062f\u0631 \u0645\u0631\u0632\u0647\u0627\u06cc \u062f\u0648\u0631\u062f\u0633\u062a \u06cc\u06a9 \u0647\u0648\u0627\u067e\u06cc\u0645\u0627 \u0628\u0627 \u0686\u0627\u0644\u0634\u200c \u0641\u0648\u0642\u200c\u0627\u0644\u0639\u0627\u062f\u0647\u200c\u0627\u06cc \u0627\u0632 \u0647\u0632\u06cc\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0648\u06cc\u0698\u0647 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 DNS \u0648 LES \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0634\u0628\u06a9\u0647 \u0645\u0646\u0627\u0633\u0628 \u0622\u0646\u200c\u0647\u0627 \u0645\u0648\u0627\u062c\u0647 \u0647\u0633\u062a\u06cc\u0645. \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0645\u06cc\u062f\u0627\u0646 \u0646\u0632\u062f\u06cc\u06a9 (\u0645\u062b\u0644 \u06a9\u0627\u0628\u06cc\u0646 \u0647\u0648\u0627\u067e\u06cc\u0645\u0627) \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0627\u06cc\u0646\u06a9\u0647 \u0646\u0648\u06cc\u0632 \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u0639\u0645\u062f\u062a\u0627 \u0646\u0627\u0634\u06cc \u0627\u0632 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u0634\u0627\u0631 \u0645\u06cc\u062f\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646 \u0627\u0633\u062a\u060c \u0627\u0645\u06a9\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0628\u06a9\u0647 \u062f\u0631\u0634\u062a\u200c\u062a\u0631 \u0648 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0647\u0632\u06cc\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0647 \u0645\u0631\u0627\u062a\u0628 \u06a9\u0645\u062a\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. <\/p>\n\n\n\n

\u0627\u0632 \u0622\u0646\u062c\u0627\u0626\u06cc\u06a9\u0647 \u0627\u0646\u062a\u0634\u0627\u0631 \u0635\u0648\u062a \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u0639\u0645\u0648\u0644\u0627 \u0644\u0627\u0632\u0645\u0633\u062a \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0627\u0648\u06cc\u0631\u0627\u0633\u062a\u0648\u06a9\u0633 \u062a\u0631\u0627\u06a9\u0645 \u067e\u0630\u06cc\u0631 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0622\u06c0\u0634\u0641\u062a\u06af\u06cc RANS \u0648 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 LES \u0648 \u063a\u06cc\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f. \u0627\u0645\u0627 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0633\u0631\u0639\u062a \u062c\u0631\u06cc\u0627\u0646 \u067e\u0627\u06cc\u06cc\u0646 (\u0633\u0631\u0639\u062a \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u062a\u0631\u0627\u06a9\u0645 \u0646\u0627\u067e\u0630\u06cc\u0631\u06cc) \u0648 \u06af\u06cc\u0631\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0645\u06cc\u062f\u0627\u0646 \u0646\u0632\u062f\u06cc\u06a9 (Near Field) \u0648\u0627\u0642\u0639 \u0634\u062f\u0647 \u0648 \u0627\u0645\u0648\u0627\u062c \u0635\u0648\u062a\u06cc \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u0639\u0645\u062f\u062a\u0627 \u0646\u0627\u0634\u06cc \u0627\u0632 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u0634\u0627\u0631\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0647\u0633\u062a\u0646\u062f\u060c \u0627\u0645\u06a9\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0627\u0648\u06cc\u0631 \u0627\u0633\u062a\u0648\u06a9\u0633 \u062a\u0631\u0627\u06a9\u0645 \u0646\u0627\u067e\u0630\u06cc\u0631 \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0627\u0645\u0627 \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u067e\u062f\u06cc\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u0646\u0638\u06cc\u0631 \u0628\u0627\u0632\u062e\u0648\u0631\u062f (Feedback) \u0648 \u062a\u0634\u062f\u06cc\u062f (Resonance) \u0631\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0646\u0645\u0648\u062f.<\/p>\n\n\n\n

\u0631\u0648\u0634 \u0627\u0646\u062a\u0631\u06af\u0631\u0627\u0644\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9<\/strong> <\/p>\n\n\n\n

\u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u062a\u0626\u0648\u0631\u06cc \u06a9\u0627\u0645\u0644 \u0639\u0644\u0645\u06cc \u062f\u0631 \u0628\u0627\u0631\u0647 \u062a\u0648\u0644\u06cc\u062f \u0646\u0648\u06cc\u0632 \u0628\u0647 \u0648\u0633\u06cc\u0644\u0647 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f. \u0627\u0645\u0627 \u0631\u0648\u0634\u0647\u200c\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f\u06cc \u0628\u0631\u0627\u06cc \u062a\u062d\u0644\u06cc\u0644 \u0622\u0626\u0631\u0648\u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0648 \u0628\u0631 \u0645\u0628\u0646\u0627\u06cc \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u062a\u0648\u0633\u0639\u0647 \u06cc\u0627\u0641\u062a\u0647\u200c\u0627\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0647 \u0641\u0631\u0645\u06cc \u0634\u06cc\u0647 \u0645\u0639\u0627\u062f\u0644\u0647 \u0645\u0648\u062c \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u06a9\u0644\u0627\u0633\u06cc\u06a9\u060c \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u0627\u06cc\u0646 \u0631\u0648\u0634\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 \u0627\u0633\u062a. <\/p>\n\n\n\n

\u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0627\u0648\u06cc\u0631\u0627\u0633\u062a\u0648\u06a9\u0633 \u062d\u0627\u06a9\u0645 \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u062a\u0631\u0627\u06a9\u0645 \u067e\u0630\u06cc\u0631 \u0644\u0632\u062c \u0631\u0627 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 \u0646\u0627\u0647\u0645\u06af\u0646 \u0645\u0648\u062c \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u0628\u062f\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u067e\u0644 \u0627\u0631\u062a\u0628\u0627\u0637\u06cc \u0628\u06cc\u0646 \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u0648 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0631\u0627 \u0628\u0646\u0627 \u0646\u0647\u0627\u062f. \u0646\u0633\u062e\u0647 \u0639\u0645\u0648\u0645\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 \u06a9\u0647 \u0645\u0628\u06cc\u0646 \u0633\u0647 \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u062a\u06a9\u06cc \u0642\u0637\u0628\u06cc\u060c \u062f\u0648\u0642\u0637\u0628\u06cc \u0648 \u0686\u0647\u0627\u0631 \u0642\u0637\u0628\u06cc \u0627\u0633\u062a\u060c \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u062a\u0648\u0633\u0637 \u0648\u06cc\u0644\u06cc\u0627\u0645\u0632 (Williams) \u0648 \u0647\u0627\u0648\u06a9\u06cc\u0646\u0632 (Hawkins) \u0645\u0639\u0631\u0641\u06cc \u06af\u0631\u062f\u06cc\u062f \u06a9\u0647 \u0634\u0627\u0644\u0648\u062f\u0647 \u0627\u0635\u0644\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0646\u0648\u06cc\u0632 \u0628\u0647 \u0634\u0645\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f.<\/p>\n\n\n\n

\u0628\u0631\u0627\u06cc \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0641\u0636\u0627\u06cc \u0645\u06cc\u0627\u0646\u0647 \u062a\u0627 \u062f\u0648\u0631\u062f\u0633\u062a (Mid to Far Field) \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0644\u0627\u062a \u0647\u06cc\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0641\u0636\u0627\u06cc \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648 \u0628\u0627 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0646\u0627\u0648\u06cc\u0631 \u0627\u0633\u062a\u0648\u06a9\u0633 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0645\u0639\u0627\u062f\u0644\u0627\u062a RANS \u0648 LES \u0648 \u063a\u06cc\u0631\u0647 \u0648 \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0648\u0631 \u062f\u0633\u062a \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u0644\u0627\u0632\u0645 \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0627\u0633\u062a \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0627\u0633\u0627\u0633\u0627 \u0645\u0627\u0647\u06cc\u062a \u0648 \u0645\u062d\u0627\u0633\u0628\u0647 \u0627\u0646\u062a\u0634\u0627\u0631 \u0635\u0648\u062a \u0631\u0627 \u0627\u0632 \u062a\u0648\u0644\u06cc\u062f \u0622\u0646 \u062c\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0628\u0631 \u062e\u0644\u0627\u0641 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u060c \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u062d\u0644 \u0645\u06cc\u062f\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646 \u0627\u0632 \u062a\u062d\u0644\u06cc\u0644 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n

\u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u067e\u0647\u0646\u200c \u0628\u0627\u0646\u062f <\/strong><\/p>\n\n\n\n

\u062f\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u062a\u062c\u0631\u0628\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062f\u0631\u06af\u06cc\u0631 \u0628\u0627 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0622\u0634\u0641\u062a\u0647\u060c \u0646\u0648\u06cc\u0632 \u0647\u06cc\u0686 \u062a\u0646 (Tone) \u0645\u062a\u0645\u0627\u06cc\u0632\u06cc \u0646\u062f\u0627\u0631\u062f. \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631 \u0627\u0646\u0631\u0698\u06cc \u0635\u0648\u062a \u0628\u0637\u0648\u0631 \u067e\u06cc\u0648\u0633\u062a\u0647 \u0631\u0648\u06cc \u0637\u06cc\u0641 \u0648\u0633\u06cc\u0639\u06cc \u0627\u0632 \u0641\u0631\u06a9\u0627\u0646\u0633\u200c\u0647\u0627 \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0686\u0646\u06cc\u0646 \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc\u06cc\u060c \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u0622\u0634\u0641\u062a\u06af\u06cc \u0628\u0631\u06af\u0631\u0641\u062a\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a RANS \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062a\u0635\u062d\u06cc\u062d \u06af\u0631 \u0646\u06cc\u0645\u0647 \u062a\u062c\u0631\u0628\u06cc \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0644\u0627\u06cc\u062a \u0647\u06cc\u0644 \u0628\u0631\u0627\u06cc \u067e\u0648\u0634\u0634 \u0648 \u0631\u0647\u06af\u06cc\u0631\u06cc \u0645\u0646\u0628\u0639 \u0646\u0648\u06cc\u0632 \u067e\u0647\u0646 \u0628\u0627\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0628\u0631\u062e\u0644\u0627\u0641 \u062f\u0648 \u0645\u062f\u0644 \u0642\u0628\u0644\u06cc \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648 \u0631\u0648\u0634 \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc\u060c \u062f\u0631 \u0645\u062f\u0644 \u0646\u0648\u06cc\u0632 \u067e\u0647\u0646 \u0628\u0627\u0646\u062f \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u062d\u0644 \u0627\u0646\u062a\u0642\u0627\u0644\u06cc (\u0646\u0627\u067e\u0627\u06cc\u0627\u06cc) \u0628\u0631\u0627\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0633\u06cc\u0627\u0644 \u0646\u06cc\u0633\u062a \u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0628\u06a9\u0627\u0631\u06af\u06cc\u0631\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a RANS \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u0645\u06cc\u062f\u0627\u0646 \u0633\u0631\u0639\u062a\u060c \u0627\u0646\u0631\u0698\u06cc \u062c\u0646\u0628\u0634\u06cc \u0622\u0634\u0641\u062a\u06af\u06cc\u060c \u0646\u0631\u062e \u0627\u0636\u0645\u062d\u0644\u0627\u0644 \u06af\u0631\u062f\u0627\u0628\u0647 \u0648 \u063a\u06cc\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f.<\/p>\n\n\n\n

\u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD \u0648 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (\u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc)<\/strong><\/p>\n\n\n\n

\u0627\u0632 \u062e\u0627\u0646\u0648\u0627\u062f\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc ANSYS CFD\u060c \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc FLUENT\u060c CFX \u0648 FENSAP-ICE \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u0627\u0631\u0633\u0627\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u0646\u0627\u0628\u0639 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062a\u06a9 \u0628\u0639\u062f\u06cc\u060c \u062f\u0648 \u0628\u0639\u062f\u06cc \u0648 \u0633\u0647 \u0628\u0639\u062f\u06cc \u0631\u0627 \u062f\u0627\u0631\u0646\u062f. \u0627\u0645\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627 \u062a\u0646\u0647\u0627 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0646\u0648\u06cc\u0632 \u0631\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0648 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u06a9\u0646\u062f. \u0628\u0647 \u063a\u06cc\u0631 \u0627\u0632 \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u060c \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 FINEtm\/Acoustics \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u06a9\u0645\u067e\u0627\u0646\u06cc Numeca International<\/a><\/em><\/strong> \u0628\u0637\u0648\u0631 \u0645\u0634\u062e\u0635 \u0628\u0631\u0627\u06cc \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u067e\u0633\u062a \u0642\u0627\u0628\u0644\u06cc\u062a\u200c\u0647\u0627\u06cc \u062f\u0648 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0648 CFX \u0628\u0631\u0627\u06cc \u062a\u062d\u0644\u06cc\u0644 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n\n\n\n

\u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent<\/strong><\/p>\n\n\n\n

\u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0632 \u0647\u0631 \u0633\u0647 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648 \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0648 \u0627\u0646\u062a\u0634\u0627\u0631 \u0646\u0648\u06cc\u0632 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u067e\u0647\u0646 \u0628\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0646\u0648\u06cc\u0632 \u0627\u0632 \u062c\u0645\u0644\u0647 \u0642\u062f\u0631\u062a \u0648 \u062a\u0648\u0627\u0646 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645 \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0645\u0633\u062a\u062a\u0631 \u0627\u0633\u062a \u0648 \u0627\u062d\u062a\u06cc\u0627\u062c\u0628\u06cc \u0628\u0647 \u062a\u0646\u0638\u06cc\u0645 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u06cc\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0646\u06cc\u0633\u062a. \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0642\u06cc\u0627\u0633 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u0644\u0627\u0632\u0645\u0633\u062a \u0627\u0628\u062a\u062f\u0627 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062d\u0644 \u0646\u0627\u067e\u0627\u06cc\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f. \u0633\u067e\u0633 \u0631\u0648\u06cc \u06af\u0632\u06cc\u0646\u0647 Acoustic \u062f\u0631 \u0642\u0633\u0645\u062a Setting Up Physics\/Models \u06a9\u0644\u06cc\u06a9 \u06a9\u0631\u062f\u0647 \u062a\u0627 \u067e\u0627\u0646\u0644 Acoustic Models \u0638\u0627\u0647\u0631 \u0634\u0648\u062f \u0648 \u062f\u0631 \u06af\u0627\u0645 \u0628\u0639\u062f\u06cc \u0622\u067e\u0634\u0646 Ffowcs-Williams and Hawkings \u0627\u0646\u062a\u062e\u0627\u0628 \u06af\u0631\u062f\u062f(\u0634\u06a9\u0644 \u0632\u06cc\u0631).<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u0644\u0627\u0632\u0645 \u0628\u0647 \u062a\u0648\u0636\u06cc\u062d \u0627\u0633\u062a \u06a9\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a Ffowcs-Williams and Hawkings:FWH \u0645\u062f\u0644 \u0627\u0635\u0644\u0627\u062d \u0634\u062f\u0647 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 Williams-Hawkings \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0644\u0627\u0632\u0645\u0633\u062a \u062f\u0631 \u067e\u0627\u0646\u0644 \u0628\u0627\u0644\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc Export Options \u0628\u0627 \u0641\u0631\u0645\u062a \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062a\u062d\u0644\u06cc\u0644 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u062f\u0631 \u0633\u0627\u06cc\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06af\u0631\u062f\u062f. \u062f\u0631 \u0633\u0645\u062a \u0631\u0627\u0633\u062a \u067e\u0627\u0646\u0644 \u06cc\u0627\u062f \u0634\u062f\u0647 \u062b\u0648\u0627\u0628\u062a \u0645\u062f\u0644 \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0647 \u0648 \u062a\u0635\u062d\u06cc\u062d \u0646\u0645\u0648\u062f. \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0645\u0646\u0627\u0628\u0639 \u0648 \u06af\u06cc\u0631\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc \u0637\u0628\u0642 \u0641\u0631\u0645\u200c\u0647\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0634\u06a9\u0644\u200c\u0647\u0627\u06cc \u0632\u06cc\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0634\u0648\u062f.<\/p>\n\n\n\n

\"\"
\u0641\u0631\u0645 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0646\u0627\u0628\u0639 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9.<\/figcaption><\/figure><\/div>\n\n\n\n
\"\"
\u0641\u0631\u0645 \u062a\u0639\u0631\u06cc\u0641 \u06af\u06cc\u0631\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9\u06cc.<\/figcaption><\/figure>\n\n\n\n

\u0631\u0648\u0634 \u062f\u06cc\u06af\u0631 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0627\u0632 Fluent \u0645\u062f\u0644 \u067e\u0647\u0646 \u0628\u0627\u0646\u062f (Broadband Model) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0645\u0634\u062e\u0635\u0627\u062a \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0627\u0632 \u062c\u0645\u0644\u0647 \u0642\u062f\u0631\u062a \u0648 \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0627\u062f\u0647 \u0648 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u0627 \u0646\u06cc\u0632 \u0647\u0633\u062a. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u062c\u0632 \u062a\u0639\u06cc\u06cc\u0646 \u0648 \u06cc\u0627 \u062a\u0635\u062d\u06cc\u062d \u062b\u0648\u0627\u0628\u062a \u0645\u062f\u0644 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u062a\u0639\u0631\u06cc\u0641 \u067e\u0627\u0631\u0627\u0645\u062a\u0631(\u0647\u0627\u06cc) \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u06cc\u0633\u062a (\u0634\u06a9\u0644 \u0632\u06cc\u0631).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 CFX<\/strong><\/p>\n\n\n\n

\u0686\u0646\u062f\u06cc\u0646 \u062a\u0642\u0631\u06cc\u0628 \u0628\u0631\u0627\u06cc \u0622\u0646\u0627\u0644\u06cc\u0632 \u0646\u0648\u06cc\u0632 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 CFX \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.\u0646\u0648\u06cc\u0632 \u0645\u06cc\u062f\u0627\u0646 \u0646\u0632\u062f\u06cc\u06a9 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u062a\u0639\u0631\u06cc\u0641 CEL \u0645\u0646\u0627\u0633\u0628 (\u0634\u0628\u06cc\u0647 UDF \u062f\u0631 Fluent) \u062d\u0644 \u06a9\u0631\u062f \u0648 \u0628\u0627 \u062d\u0644 \u0645\u06cc\u062f\u0627\u0646 \u062c\u0631\u06cc\u0627\u0646\u060c \u0646\u0642\u0627\u0637\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0633\u0645 \u0646\u0645\u0648\u062f\u0627\u0631\u0647\u0627\u06cc \u0633\u0637\u062d \u0641\u0634\u0627\u0631 \u0635\u0648\u062a \u062f\u0631 \u062f\u0627\u062e\u0644 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u062a\u0648\u0644\u06cc\u062f \u0646\u0645\u0648\u062f. \u0627\u0644\u0628\u062a\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0648\u0631\u062f\u0633\u062a \u0631\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0646\u0645\u0648\u062f. \u0628\u0647 \u0647\u0631 \u0635\u0648\u0631\u062a \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0627\u0645\u06a9\u0627\u0646 \u0627\u0631\u0633\u0627\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0642\u0627\u0644\u0628 \u0641\u0631\u0645\u062a CGNS \u0628\u0631\u0627\u06cc \u0633\u0627\u06cc\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc \u062a\u062d\u0644\u06cc\u0644 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 \u0646\u0638\u06cc\u0631 LMS Sysnoise or Virtual Lab Acoustics \u0648 \u06cc\u0627 \u0647\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u062f\u06cc\u06af\u0631\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0646\u06cc\u0632 \u0647\u0645\u0627\u0646\u0646\u062f \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0627\u0646\u0648\u0627\u0639 \u0645\u0646\u0627\u0628\u0639 \u062a\u06a9 \u0642\u0637\u0628\u06cc\u060c \u062f\u0648 \u0641\u0637\u0628\u06cc \u0648 \u0686\u0647\u0627\u0631 \u0642\u0637\u0628\u06cc \u0631\u0627 \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n

\u0628\u0627\u0632\u06af\u0634\u062a<\/a><\/strong><\/p>\n\n\n\n

\u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637<\/strong><\/p>\n\n\n\n

\u0645\u0628\u0627\u0646\u06cc \u062a\u0626\u0648\u0631\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9<\/a><\/strong><\/p>\n\n\n\n

\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

\u0645\u062d\u0645\u062f\u0631\u0636\u0627 \u06a9\u0644\u06cc\u0686<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (\u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD Aerodynamic Noise (Acoustic) Simulation in CFD Softwares \u0645\u0642\u0648\u0644\u0647 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (Acoustic) \u0627\u0631\u062a\u0628\u0627\u0637 \u062a\u0646\u06af\u0627\u062a\u0646\u06af\u06cc \u0628\u0627 \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 \u0633\u06cc\u0627\u0644\u0627\u062a \u062f\u0627\u0631\u062f. \u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u0627\u0632 \u0627\u063a\u062a\u0634\u0627\u0634 \u0628\u0648\u062c\u0648\u062f \u0622\u0645\u062f\u0647 \u0627\u0632 \u062f\u0644 \u0633\u06cc\u0627\u0644 \u062a\u0631\u0627\u06a9\u0645 \u067e\u0630\u06cc\u0631 (\u0645\u0639\u0645\u0648\u0644\u0627 \u0647\u0648\u0627)… Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":2658,"parent":635,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2651","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\n\u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (\u0646\u0648\u06cc\u0632 \u0622\u0626\u0631\u0648\u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD - cfd-mrk<\/title>\n<meta name=\"description\" content=\"\u0645\u0642\u0648\u0644\u0647 \u0622\u06a9\u0648\u0633\u062a\u06cc\u06a9 (Acoustic) \u0627\u0631\u062a\u0628\u0627\u0637 \u062a\u0646\u06af\u0627\u062a\u0646\u06af\u06cc \u0628\u0627 \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9 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