Cannot generate tetramesh

The geometry contains several volumes. Cubit crashed when I generate tetmesh with default setting, even just for the shell:


TriAdvance also fails for the outer surface.
I think the geometry is not hard to mesh. Both COMSOL and Hypermesh mesh it with tetras quite fast, but i need the .e mesh format from Cubit.
I tried different options in Tetmesh and Trimesh documentaion but they don’t help a lot in this case.
model1_10GHz_2layers.zip (3.9 MB)

Hi @WayneYY,
cubit crashes when it is trying to mesh these two surfaces.

It will take some time to track the cause of the crash down.