On Tue, Feb 2, 2016 at 8:35 AM, Orxan Shibliyev <[email protected]> wrote:
> After hole cutting my unstructured mesh has some active and > inactive/fringe cells. I solve equations on active/computational/field > cells only. Some of the active cells are neighbors of inactive cells. If I > prepare petsc matrix including all cells then the solver does not converge > due unchanging values of inactive cells. How can I tell Petsc not to solve > for certain rows? If I make all cells active then the solver converge so I > am sure that there is no problem related to solver. > Leave them out of the matrix? Matt -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
