{"id":404000,"date":"2025-01-07T20:02:10","date_gmt":"2025-01-07T20:02:10","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/404000\/"},"modified":"2025-01-07T20:02:10","modified_gmt":"2025-01-07T20:02:10","slug":"404000","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/404000\/","title":{"rendered":"Reply To: convergence issue for transonic flow"},"content":{"rendered":"<p>&lt;p&gt;I have now used pressure based solver instead of density the residual are much better than density based but no convergence is achieved.&lt;\/p&gt;&lt;p&gt;Is this the problem of mesh or setup problem ?&lt;\/p&gt;&lt;p&gt;My mesh is a Structured one with inflation layer applied to all walls.&lt;\/p&gt;&lt;p&gt;Mass flow rate net is -0.0037&lt;\/p&gt;&lt;p&gt;And residuals are fluctuating.<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736280090-IMG_20250107_195849-min.jpg\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-404000","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I have now used pressure based solver instead of density the residual are much better than density based but no convergence is achieved.Is this the problem of mesh or setup problem ?My mesh is a Structured one with inflation layer applied to all walls.Mass flow rate net is -0.0037And residuals are fluctuating.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/404000\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta 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