{"id":462785,"date":"2026-08-20T15:10:21","date_gmt":"2026-08-20T15:10:21","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/issues-with-axisymmetrical-analysis\/"},"modified":"2026-08-20T15:10:21","modified_gmt":"2026-08-20T15:10:21","slug":"issues-with-axisymmetrical-analysis","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/issues-with-axisymmetrical-analysis\/","title":{"rendered":"Issues with Axisymmetrical Analysis"},"content":{"rendered":"<p>Hello All, recently I have tried to use 2D axisymmetrical Analysis in Fluent to analyze the Coefficient of Drag as well as the Coefficient of Pressure about different nosecones. Every time I run the simulation, I recieve the error &#8220;Error at Node 0: Divergence detected in AMG solver&#8221;.&nbsp; How would I go about fixing this issue? When I run mesh check, I do not recieve any errors, and I believe that my boundary zones are set up correctly as well.<\/p>\n<p>Thank you All in advance.<\/p>\n","protected":false},"template":"","class_list":["post-462785","topic","type-topic","status-publish","hentry","topic-tag-coefficient-of-drag"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello All, recently I have tried to use 2D axisymmetrical Analysis in Fluent to analyze the Coefficient of Drag as well as the Coefficient of Pressure about different nosecones. Every time I run the simulation, I recieve the error &quot;Error at Node 0: Divergence detected in AMG solver&quot;. 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Every time I run the simulation, I recieve the error \"Error at Node 0: Divergence detected in AMG solver\". 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