[petsc-users] Propagating a constant marker with AMG

[John Mousel]

I'm trying to mark two distinct regions of a domain by solving the Laplace
equation with constant Dirichlet BC's. Because I'm just rounding to the
nearest integer, I just need cheap AMG like behavior to move the constant
across the domain quickly. Are there any recommended solver options to do
this efficiently?

Thanks,
John
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