PardisoInverse fails with fine meshes

NGSolve
,
1

Hi there,

I am trying to solve a 3d heat equation with time dependant heat source in Jupyter. I am using direct method (invmstar = mstar.Inverse(freedofs=fes.FreeDofs()). I use OCC for my geometry (geo = OCCGeometry(Glue([box1,box2,box3]). When I use mesh size bigger than 0.2 my code runs ok, but if I use mesh size 0.1 I get the following error:
PardisoInverse: Setup and Factorisation failed

Does anyone know how to fix this error?

Regards,
Hamed

2

you certainly run out of memory. Check your terminal window for some output.

check the dimension of your finite element space fes.ndof