{"id":304694,"date":"2023-09-03T13:32:49","date_gmt":"2023-09-03T13:32:49","guid":{"rendered":"\/forum\/forums\/topic\/3d-external-compressible-flow-analysis-of-airplane\/"},"modified":"2023-09-03T13:32:49","modified_gmt":"2023-09-03T13:32:49","slug":"3d-external-compressible-flow-analysis-of-airplane","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/3d-external-compressible-flow-analysis-of-airplane\/","title":{"rendered":"3D External Compressible Flow Analysis of Airplane"},"content":{"rendered":"<p>Hi, I am trying to simulate the external flow analysis of an airplane with Mach 0.75 In general settings \u0131 tried steady, transient, pressure-based, density based. Boundary conditions are far-field and symmetry and the domain is a sphere. But even \u0131 tried with the smaller mesh numbers (4 million- 2 million these are the mesh elements that I tried ) I couldn&#8217;t get the solutions, it took so long. I tried with SST- k omega and Spalarat Allmaras, Implicit solver green gaus node based, and other things are defaulted. What is your suggestion for this type of problem to get a better solution? Please help me because I think I am gonna lose my mind if I take another error from ANSYS.&nbsp;<\/p>\n<p>Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-304694","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi, I am trying to simulate the external flow analysis of an airplane with Mach 0.75 In general settings \u0131 tried steady, transient, pressure-based, density based. Boundary conditions are far-field and symmetry and the domain is a sphere. 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