tool · inferred from evidence
hypre
A multigrid preconditioner mentioned as an alternative
- Incorrect PETSc.Mat block size when using enriched_element (MINI element)
Using the MINI element (P1 Lagrange enriched with a bubble) for the (Navier-)Stokes equations in DOLFINx 0.11.0, with petsc4py 3.25.4 on macOS. Want to use gamg or hypre as a multigrid preconditioner. The PETSc docs for PCGAMG say you must