[petsc-users] Questions Regarding PETSc and Solving Constrained Structural Mechanics Problems

[hexiaofeng at buaa.edu.cn]

Thanks, i’ll try those options and check whether they’re helpful.

Xiaofeng


> On Jun 12, 2025, at 20:51, Mark Adams <mfadams at lbl.gov> wrote:
> 
> Good point.
> You can also use -pc_gamg_parallel_coarse_grid_solver to get GAMG to use a on level iterative solver for the coarse grid.