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fix issue 193 #211

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Merged
asalmgren merged 1 commit into from
Aug 21, 2026
Merged

fix issue 193 #211

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28 changes: 16 additions & 12 deletions src/projection/incflo_apply_cc_projection.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -117,24 +117,28 @@ average_mac_to_ccvel (const Array<MultiFab*,AMREX_SPACEDIM>& fc, MultiFab& cc)
auto const& fzma = fc[2]->arrays(););
MultiFab foo(amrex::convert(cc.boxArray(),IntVect(1)), cc.DistributionMap(), 1, 0,
MFInfo().SetAlloc(false));
IntVect ng = -cc.nGrowVect();
ParallelFor(foo, IntVect(0), ncomp,
[=] AMREX_GPU_DEVICE (int box_no, int i, int j, int k, int n) noexcept
{
// The writes here are cell-centered, so the guard must be the valid
// cell-centered box -- not the face-nodal boxes used by the twin
// average_ccvel_to_mac, which writes face-centered data.
Box ccbx(ccma[box_no]);
AMREX_D_TERM(Box const& xbx = amrex::surroundingNodes(ccbx,0);,
Box const& ybx = amrex::surroundingNodes(ccbx,1);,
Box const& zbx = amrex::surroundingNodes(ccbx,2););
if (xbx.contains(i,j,k) and n == 0) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fxma[box_no](i,j,k) + fxma[box_no](i+1,j,k));
}
if (ybx.contains(i,j,k) and n == 1) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fyma[box_no](i,j,k) + fyma[box_no](i,j+1,k));
}
ccbx.grow(ng);
if (ccbx.contains(i,j,k)) {
if (n == 0) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fxma[box_no](i,j,k) + fxma[box_no](i+1,j,k));
}
if (n == 1) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fyma[box_no](i,j,k) + fyma[box_no](i,j+1,k));
}
#if (AMREX_SPACEDIM == 3)
if (zbx.contains(i,j,k) and n == 2) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fzma[box_no](i,j,k) + fzma[box_no](i,j,k+1));
}
if (n == 2) {
ccma[box_no](i,j,k,n) = Real(0.5) * (fzma[box_no](i,j,k) + fzma[box_no](i,j,k+1));
}
#endif
}
});
Gpu::streamSynchronize();
} else
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