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add the sponge for true-SDC #3379

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add the sponge for true-SDC #3379

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81a0a69
add the sponge for true-SDC
zingale Sep 4, 2026
47c22d2
update
zingale Sep 4, 2026
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2 changes: 1 addition & 1 deletion Source/sources/Castro_sources.H
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@
/// @param time current time
/// @param dt timestep
///
static void construct_old_sponge_source(amrex::MultiFab& source, amrex::MultiFab& state,
void construct_old_sponge_source(amrex::MultiFab& source, amrex::MultiFab& state,
amrex::Real time, amrex::Real dt);


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20 changes: 17 additions & 3 deletions Source/sources/Castro_sponge.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,24 @@ Castro::construct_old_sponge_source(MultiFab& source, MultiFab& state_in,
{
// We do not apply any sponge at the old time.

amrex::ignore_unused(source);
amrex::ignore_unused(state_in);
amrex::ignore_unused(time);
amrex::ignore_unused(dt);

if (!do_sponge ||
time_integration_method != SpectralDeferredCorrections) {
return;
}

if (sponge_implicit) {
amrex::Error("true-SDC/MOL requires sponge_implicit = 0");
}

#ifdef _OPENMP
#pragma omp parallel
#endif
for (MFIter mfi(state_in, TilingIfNotGPU()); mfi.isValid(); ++mfi) {
apply_sponge(mfi.tilebox(), state_in.array(mfi),
source.array(mfi), dt);
}

}

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