I played a little around with my geometry and followd this thread as much as I could.
https://forum.freecadweb.org/viewtopic. ... 3&start=20
What does boolean fragments do? Is it the only way to prepare the CAD elements for meshing?
I'm still in trouble regarding the selection of the right faces and solids. E.g. how can I select the select the "chip" to assign a material.
How can I turn the "chip" into a heat source.
Right now I'm receiving this error while trying to mesh the "boolean fragments":
This is in the status field:
Code: Select all
0.0: We are going to start ...
0.0: Start Gmsh ...
1.0: Gmsh had warnings ...
1.0: Error : Invalid boundary mesh (overlapping facets) on surface 136 surface 52 Error : No elements in region 1 2 3 4 5 6 7 8 9 10 Error : ------------------------------ Error : Mesh generation error summary Error : 0 warnings Error : 2 errors Error : Check the full log for details Error : ------------------------------
1.0: Gmsh done!
Code: Select all
Active analysis found: Analysis
ElementDimension: 3
Group meshing for analysis.
C:\Users\JANTSC~1\AppData\Local\Temp\fcfem_xk5uwohc\BooleanFragments_Geometry.brep
C:\Users\JANTSC~1\AppData\Local\Temp\fcfem_xk5uwohc\BooleanFragments_Mesh.unv
C:\Users\JANTSC~1\AppData\Local\Temp\fcfem_xk5uwohc\shape2mesh.geo
C:/FEM_Analyse/FreeCAD/bin/gmsh.exe
New mesh was added to the mesh object.
Gmsh had warnings ...
Error : Invalid boundary mesh (overlapping facets) on surface 136 surface 52
Error : No elements in region 1 2 3 4 5 6 7 8 9 10
Error : ------------------------------
Error : Mesh generation error summary
Error : 0 warnings
Error : 2 errors
Error : Check the full log for details
Error : ------------------------------
For general information this is a nice document, describing the task that should be solved (in future) very well.
https://dammedia.osram.info/media/resou ... 20LEDs.pdf
Thanks for your help.
Best Regards
