Dear Phuoc,

No, I see no reason. If you can just send me the mesh in a format readable by GetFEM, I could check what is wrong.

Best regards,

Yves

Le 14/06/2018 à 10:24, Huu Phuoc BUI a écrit :
Dear Getfem-users,

I have a problem with computing the outer faces when using a mixed mesh (having tetras, hexa, prisms and pyramids).

The error is:

face_left = m.outer_faces_with_direction([0, 0., -1.0], 0.01)
  File "/usr/local/lib/python2.7/dist-packages/getfem/getfem.py", line 1372, in outer_faces_with_direction
    return self.get("outer_faces_with_direction", v, angle, CVIDs)
  File "/usr/local/lib/python2.7/dist-packages/getfem/getfem.py", line 1152, in get
    return getfem('mesh_get',self.id, *args)
RuntimeError: (Getfem::InterfaceError) -- Error in bgeot_geometric_trans.cc, line 381 const base_matrix& bgeot::geotrans_interpolation_context::B() const:
Non invertible matrix


Please let me know if you have any idea. Thank you.

Best regards,

Phuoc



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  Yves Renard ([email protected])       tel : (33) 04.72.43.87.08
  Pole de Mathematiques, INSA-Lyon             fax : (33) 04.72.43.85.29
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