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…B; refine cut cells in shock decks AMReX's MLNodeLaplacian does not support a multilevel nodal solve whose coarse/fine boundary crosses an EB body (AMReX-Codes/amrex#6069); MLMG diverges. Add Projection::checkCoarseFineBoundaryEB, called from doMLMGNodalProjection for composite (nlevel > 1) solves, which aborts with a message pointing at the grids if any cut or covered fine cell touches the coarse/fine boundary. Change regtest.2d.shock_past_cylinder and regtest.3d.shock_past_sphere to refine on cut cells (ns.refine_cutcells = 1) instead of a fixed box that bisected the body, so both decks run again. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
WeiqunZhang
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Oct 14, 2026
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…t cells in shock decks
AMReX's MLNodeLaplacian does not support a multilevel nodal solve whose coarse/fine boundary crosses an EB body (AMReX-Codes/amrex#6069); MLMG diverges. Add Projection::checkCoarseFineBoundaryEB, called from doMLMGNodalProjection for composite (nlevel > 1) solves, which aborts with a message pointing at the grids if any cut or covered fine cell touches the coarse/fine boundary.
Change regtest.2d.shock_past_cylinder and regtest.3d.shock_past_sphere to refine on cut cells (ns.refine_cutcells = 1) instead of a fixed box that bisected the body, so both decks run again.
Closes #267