[WIP] Use local redistribute when possible even with mesh refinement. - #7090
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atmyers wants to merge 12 commits into
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[WIP] Use local redistribute when possible even with mesh refinement.#7090atmyers wants to merge 12 commits into
atmyers wants to merge 12 commits into
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atmyers
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Jul 21, 2026
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Note, I am setting this to use my AMReX branch here for testing. Do not merge as is. |
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atmyers
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Jul 24, 2026
| // is a physical upper bound on the number of cells crossed per direction. | ||
| amrex::RealVect max_distance_relative_to_grid; | ||
| for (int d = 0; d < AMREX_SPACEDIM; ++d) { | ||
| max_distance_relative_to_grid[d] = PhysConst::c * dt[0] / dx[d]; |
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The tests with sub-cycling still fail. Note that the above computes the number of cells moved on the coarse level, which is too small for particles in the fine patch. The safest thing to do is revert to the global Redistribute when sub-cycling is on.
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This supersedes #7044.