SimScale CAE Forum

How to solve this simulation'problem


No contacts were defined for some sub-assemblies. These won’t interact with the rest of your model and the simulation will likely fail. You can use the automatic contact detection or add contacts manually for the sub-assemblies that consist of the following solids: sheet141, sheet130, sheet178, more…

I tried this program for the first time as a school project, and I got this error while trying to do my project following this tutorial. I’m worried because I don’t know how to fix the error.

Contact automatic contact detection but it keeps buffering and stops. Please advise.


Hi @parkjongho198,

To run a Heat transfer simulation it is necessary to import a solid body model. However, your model consists of sheet bodies and no solid body, as you can see below:

I created a new version of your simulation using a solid body, as you can see in this link:

It should do the trick.




thank you sir
Thank you for pointing out the issues and giving advice. Thank you again for being resolved thanks to the problem was not resolved.


Hi @paulosantos, Can you please tell how you created a solid-model out of the input sheet body? I am facing the same problem