"zakaryah ." <zakar...@gmail.com> writes: > Ok, thanks for the suggestions. > I'd like to check that I understand the approach. > > I create one DMDA for the variables to be solved by the SNES. That DMDA > will be coarsened and refined by the options I pass to e.g. FAS. In my > user context struct, I can have a second DMDA for the auxiliary fields. At > each coarsening or refinement of the solution variable DMDA, I add a hook > to simultaneously coarsen or refine the auxiliary fields. I suppose I can > store the results of those operations in a third DMDA in the user context > struct, because I'll need to access them from the SNES Function and > Jacobian routines. Does that sound right?
Basically, please look at the example.