Hi, Thomas, thanks for your answer and sorry for the delay.
I have been trying your recommendations but after I export the XM3 file to mechanical using the external data block I get error in the weighting’s box:

After I got this error in the mechanical interface when I run the simulation: Current Weighting option is not supported by all the input meshes.

Here is the workbench workflow:

The external data block:

And here is the SPEOS interface:

Which could be the mistake in my simulation? The purpose of the simulation is for recolect heat, and temperature information in the focus.

Thanks for your attetion.