Comments (1)
abarret
commented on August 23, 2024
This is almost definitely the grid generation in the multigrid solver. It currently takes the coarsest level in the original patch hierarchy and coarsens each patch to generate a new level. If there are multiple patches on the coarsest level in the original patch hierarchy, this generation can lead to coarse levels with patches that are one grid cell wide (or if the number of grid cells is not a power of 2, eventually overlapping patches).
The correct behavior would be to generate coarse levels based on a gridding algorithm such that a minimum patch size is enforced.
from multiphase-stokes.
Related Issues (16)
- 2nd order time stepping HOT 11
- 3D implementation HOT 6
- smooth error stops after 672 iterations HOT 1
- Solver performance significantly degraded with AMR HOT 6
- Do not use F-cycles
- Robustness of solver HOT 8
- 2nd order time stepping
- Regarding projections HOT 14
- Implement physical boundary conditions HOT 2
- Matching input files to manuscript HOT 1
- Construct PETSc matrices for the smoother
- Error in BoxRelaxationFACOperator
- Fix compiler warnings HOT 1
- Variable coefficients HOT 1
- Fortran routines for momentum equations
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