{"id":390458,"date":"2024-10-18T18:00:15","date_gmt":"2024-10-18T18:00:15","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/icfd-versus-cfd-fluent\/"},"modified":"2024-10-18T18:00:15","modified_gmt":"2024-10-18T18:00:15","slug":"icfd-versus-cfd-fluent","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/icfd-versus-cfd-fluent\/","title":{"rendered":"ICFD versus CFD Fluent"},"content":{"rendered":"<p>&lt;p&gt;I have used ANSYS CFD Fluent and LS-DYNA ICFD to model the exact same fluid path, with the same boundary conditions, mesh resolution, and fluid properies. However, while the velocity look the same the pressure and shear contours look SIGNIFICANTLY different with CFD fluent giving us better results. I was wondering what is the problem here? I am pretty sure LS-DYNA ICFD does something wrong here either in calculation or in presenting the results. Appreciate any help &#8230;&lt;\/p&gt;&lt;p&gt;LS-DYNA ICFD&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/18-10-2024-1729274297-mceclip0.png\" \/>&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;CFD Fluent&lt;br&gt;&lt;br&gt;&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/18-10-2024-1729274414-mceclip2.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-390458","topic","type-topic","status-publish","hentry","topic-tag-fluent","topic-tag-icfd-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I have used ANSYS CFD Fluent and LS-DYNA ICFD to model the exact same fluid path, with the same boundary conditions, mesh resolution, and fluid properies. 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