{"id":391860,"date":"2024-10-29T20:38:53","date_gmt":"2024-10-29T20:38:53","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/machine-precision-and-meshes\/"},"modified":"2024-10-29T20:38:53","modified_gmt":"2024-10-29T20:38:53","slug":"machine-precision-and-meshes","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/machine-precision-and-meshes\/","title":{"rendered":"Machine precision and Meshes"},"content":{"rendered":"<p>&lt;p&gt;Hello! I&#8217;m resolving a mesh that has a refinement on the nm scale. My y+ =1 gives a minimum cell height of 2e-7 m. Consequently, my mesh contains cell volumes beyond machine double precision. Does Fluent normalize the cell volume in the back-end or is there a geometric pre-conditioner for users to scale their set up? My thougt process is to scale my set-up, but I was curious if Fluent already does this in the background. Thank you!&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-391860","topic","type-topic","status-publish","hentry","topic-tag-fluent","topic-tag-fluent-mesh"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello! I&#039;m resolving a mesh that has a refinement on the nm scale. My y+ =1 gives a minimum cell height of 2e-7 m. Consequently, my mesh contains cell volumes beyond machine double precision. 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