[petsc-users] Solving problems using multigrid

Jed Brown jed at jedbrown.org
Thu Jul 26 15:31:16 CDT 2018

Fazlul Huq <huq2090 at gmail.com> writes:

> Hello All,
> I am a new user of petsc and I am wondering, is it possible to solve both
> linear and non-linear problems using multigrid in petsc?

Yes, for nonlinear problems you can use a Newton method with multigrid
preconditioning (the default and a good place to start) or more exotic
options including full approximation scheme (FAS) nonlinear multigrid.

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