On Tue, 8 Nov 2016, Salazar De Troya, Miguel wrote:
I want to attach the rigid body modes to the solver for AMG
coarsening. I saw there’s an interface in libMesh with
libMesh::NonlinearSolver
(https://libmesh.github.io/doxygen/classlibMesh_1_1NonlinearSolver.html#a2f0c2db92008f6e7c011861a649ec012)
but this is for NonlinearImplicitSystem. I am using a FEMSystem that
contains a DiffSolver which can be a PetscDiffSolver. Is there any
way to use the libMesh::NonlinearSolve capabilities from the
PetscDiffSolver?
I'm afraid there isn't.
Or I will have to re-implement it for PetscDiffSolver?
Yes. We'd love to have that as a patch.
--
Roy
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