{"id":396778,"date":"2024-12-09T11:47:58","date_gmt":"2024-12-09T11:47:58","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396778\/"},"modified":"2024-12-09T11:47:58","modified_gmt":"2024-12-09T11:47:58","slug":"396778","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396778\/","title":{"rendered":"Reply To: Setting the Courant Number"},"content":{"rendered":"<p>&lt;p&gt;I tend to estimate a likely highest speed, work out how long that takes to cross a cell and divide that number by 10. That&#8217;s my starting time step. I then adjust (carefully) from there. It&#8217;s&nbsp; fairly rough rule of thumb we&#8217;ve been using for over two decades and usually works.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396778","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396778\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}