Aniket
Ansys Employee

You are seeing thermal undershoot, a quick remedy is to refine the mesh and/or increase the initial time step.


more info at 3.4.3.2. General Options:


https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v195/ans_the/Hlp_G_THE3_5.html


-Aniket


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