{"id":38227,"date":"2019-10-09T20:27:49","date_gmt":"2019-10-09T20:27:49","guid":{"rendered":"\/forum\/forums\/topic\/fluent-time-stepping-method-cfl-based-problem\/"},"modified":"2019-10-09T20:27:49","modified_gmt":"2019-10-09T20:27:49","slug":"fluent-time-stepping-method-cfl-based-problem","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-time-stepping-method-cfl-based-problem\/","title":{"rendered":"Fluent &#8211; Time Stepping Method CFL Based problem"},"content":{"rendered":"<p>I am having issues to set the time stepping of my simulation, i am trying to use a variable time stepping method and i have choose CFL based. my problem is the time step change just when the simulation start, but once it gets the minimum time step size it keep fixed in that even though the max convective courant number is way lower than 0.8.<\/p>\n<p><\/p>\n<p><span style=\"display: inline !important; float: none; background-color: #ffffff; color: #3b3b3b; font-family: 'Open Sans',Arial,Helvetica,sans-serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">Thanks for anyone&#8217;s help!<\/span><u><\/u><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/38633d65-cf14-47d1-a198-aa560101c0f6\/f80916f0-4a3d-4e23-a7a7-aae1014fa5a4_consulta1.jpg?width=690&amp;upscale=false\" alt=\"\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/38633d65-cf14-47d1-a198-aa560101c0f6\/e2b992b5-1d7a-47de-8d9f-aae1014fbc16_consulta2.jpg?width=690&amp;upscale=false\" alt=\"\">&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-38227","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in 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