{"id":360349,"date":"2024-04-03T16:57:39","date_gmt":"2024-04-03T16:57:39","guid":{"rendered":"\/forum\/forums\/reply\/360349\/"},"modified":"2024-04-03T16:57:39","modified_gmt":"2024-04-03T16:57:39","slug":"360349","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/360349\/","title":{"rendered":"Reply To: Need help with moving heat source on uneven surface with apdl"},"content":{"rendered":"<p>&lt;p&gt;So the laser is just heating the tip of the tooth?&nbsp; Volumetric heat generation doesn&#8217;t seem like an appropriate way to model the surface heating of a laser.&nbsp; If you create a very fine mesh of the tooth tip area you could select nodes on the surface based on their theta coordinate in a cylindrical system.&nbsp; You could update the theta values over time:&lt;\/p&gt;&lt;p&gt;csys,1&nbsp; &nbsp;! global cylindrical&nbsp;&lt;\/p&gt;&lt;p&gt;nsel,s,ext&nbsp; ! nodes on the surface&lt;\/p&gt;&lt;p&gt;nsel,r,loc,x,mid_tooth,top_tooth+increment&lt;\/p&gt;&lt;p&gt;nsel,r,loc,y,theta,theta+small_angle&nbsp; ! needs to select at least two nodes for a face to be defined&lt;\/p&gt;&lt;p&gt;sf,all,hflux,value&lt;\/p&gt;&lt;p&gt;allsel&lt;\/p&gt;&lt;p&gt;time,&#8230;&lt;\/p&gt;&lt;p&gt;solve&lt;\/p&gt;&lt;p&gt;reselect&lt;\/p&gt;&lt;p&gt;next time&nbsp;&lt;\/p&gt;&lt;p&gt;solve&lt;\/p&gt;&lt;p&gt;soo&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-360349","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/360349","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\/360349\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=360349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}