Well I missed a pretty obvious resource. Short answer is with MAT_CWM and CWM thermal. Then combined with either envyo (from dynamore) or some kind of...

In addition to all of that the file you posted looks like a .stl file (laser scan data?) So ANSYS may or may not accept that as geometry. If it does, ...

So first big thing you need to do is make sure you have your material properties correct. A popular saying in the analysis community is garbage in = g...