{"id":236358,"date":"2022-09-27T06:25:41","date_gmt":"2022-09-27T06:25:41","guid":{"rendered":"\/forum\/forums\/topic\/divergence-caused-by-high-field-mobility\/"},"modified":"2022-09-27T06:28:02","modified_gmt":"2022-09-27T06:28:02","slug":"divergence-caused-by-high-field-mobility","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/divergence-caused-by-high-field-mobility\/","title":{"rendered":"Divergence caused by High field mobility ?"},"content":{"rendered":"<p>Hi ,&nbsp;<\/p>\n<p>I have had a divergence problem in Charge for a long time and I inspected every aspect of the simulation (smaller mesh, convergence solver, gradient mixing, initialization, more iterations &#8230;..). The problem is because of using the high field mobility in the mobility model. However, I still would like to use the high field mobility in my model. Are there any recommendations on how troubleshoot the convergence issue in my case?&nbsp;<\/p>\n<p>I am simulating a photodiode in 3D.<\/p>\n<p>Thank you.<\/p>\n<p>Regards.<\/p>\n","protected":false},"template":"","class_list":["post-236358","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi , I have had a divergence problem in Charge for a long time and I inspected every aspect of the simulation (smaller mesh, convergence solver, gradient mixing, initialization, more iterations .....). The problem is because of using the high field mobility in the mobility model. 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