{"id":371404,"date":"2024-07-11T08:20:43","date_gmt":"2024-07-11T08:20:43","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/371404\/"},"modified":"2024-07-11T08:20:43","modified_gmt":"2024-07-11T08:20:43","slug":"371404","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/371404\/","title":{"rendered":"Reply To: Multiphase VOF simulation of a rotating capillary tube"},"content":{"rendered":"<p>&lt;p&gt;Reverse flow is common, I agree, but check which phase is reversing.&nbsp; &nbsp;Try rotating the fluid zone &amp; wall at zero relative. Should give much the same effect but may resolve some of the issues. The other comment from a colleague was to drop the time step alot further: there can be a situation where too high a step is stable because everything is smoothed out.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-371404","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/371404","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\/371404\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=371404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}