{"id":372405,"date":"2024-07-17T14:19:36","date_gmt":"2024-07-17T14:19:36","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/pem-fuel-cell-fluent-modeling\/"},"modified":"2024-07-17T14:19:36","modified_gmt":"2024-07-17T14:19:36","slug":"pem-fuel-cell-fluent-modeling","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/pem-fuel-cell-fluent-modeling\/","title":{"rendered":"pem fuel cell fluent modeling"},"content":{"rendered":"<p>hi, I&#8217;m modeling a single cell with an area of 50cm&sup2; and with 5 path serpentine flow fields. I followed the ansys tutorial for 3D meshing part and have a hex meshin in the active zone with an orthogonal quality of 1. And for the bipolar plates and flow fields with polyhedra meshing got 0.2 for orthogonal quality. Now the problem is in fuent. I have tried every recommendation out there and did a ton of trys but no sucess. I still can&#8217;t make it converge. It either diverge because of uds3 or temperature. It either diverge as soon as I turn on electrochemistry sources in pem models. Or after a couple (sometimes after 100 iterations). Could someone please recommend me a solution to try. Thank you<\/p>\n","protected":false},"template":"","class_list":["post-372405","topic","type-topic","status-closed","hentry","topic-tag-ansys-pemfc-model-1","topic-tag-fluent"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"hi, I&#039;m modeling a single cell with an area of 50cm\u00b2 and with 5 path serpentine flow fields. I followed the ansys tutorial for 3D meshing part and have a hex meshin in the active zone with an orthogonal quality of 1. 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