[CIG-SHORT] Linear convergence for nonplanar faults

[Brad Aagaard]

On 11/09/2016 07:15 AM, Josimar Alves da Silva wrote:
> Dear Brad, Matt and Charles,
>
> Thank you again for the suggestions. After reviewing your comments I
> performed the following task in order to solve my problem:
>
> Brad mentioned:
>
>  "1. Without a fault, check convergence with using ML for
> the preconditioned."
>
>          Result: the solver converges fine without the fault and using
> the specified preconditioned.
>
> "2. Add the fault and with zero prescribed slip (FaultCohesiveKin),
> examine the convergence with the solver_fault_fieldsplit.cfg parameters."
>
>          Results: no convergence for any solver. Error message:  Linear
> solve did not converge due to DIVERGED_ITS iterations 10000

This suggests there is something wrong with your problem setup. Make 
sure you have sufficient Dirichlet BC on each side of the fault to 
prevent rigid body motion.

Brad