[petsc-users] preconditioner for contact / mesh tying problem

[Hoang Giang Bui]

I do have an elasticity solver though. However it's an in-house code hence
it's not very straight forward to unroll to make a PETSc example. The
example can only read in the provided matrices and apply the
preconditioner. However, I think in general standard PETSc example
generates the linear system and solve it successively. In that way, ex77
must be extended. What do you think?

Giang

On Tue, Oct 18, 2016 at 4:36 PM, Jed Brown <jed at jedbrown.org> wrote:

> Hoang Giang Bui <hgbk2008 at gmail.com> writes:
>
> > Hi Jed
> > That's a great idea. Do you have any ex* to start with? Or suggesting me
> a
> > starting point.
>
> If you don't have an elasticity solver already, you could sart with
> src/snes/examples/tutorials/ex77.c which solves hyperelasticity using a
> potentially unstructured mesh.
>
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