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Added filtering of the E/B aux fields used for the gathering #5519

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Added filtering of the E/B aux fields used for the gathering #5519

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6 changes: 6 additions & 0 deletions Source/Parallelization/WarpXComm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ WarpX::UpdateAuxilaryData ()
WARPX_PROFILE("WarpX::UpdateAuxilaryData()");

using ablastr::fields::Direction;
using warpx::fields::FieldType;

amrex::MultiFab *Bfield_aux_lvl0_0 = m_fields.get(FieldType::Bfield_aux, Direction{0}, 0);

Expand Down Expand Up @@ -87,6 +88,11 @@ WarpX::UpdateAuxilaryData ()
amrex::MultiFab::Add(*Bfield_aux[2], *B_ext_lev[2], 0, 0, B_ext_lev[2]->nComp(), guard_cells.ng_FieldGather);
}
}
const int lev = 0;
if (WarpX::use_filter) {
ApplyFilterMF(m_fields.get_mr_levels_alldirs(FieldType::Bfield_aux, finest_level), lev);
ApplyFilterMF(m_fields.get_mr_levels_alldirs(FieldType::Efield_aux, finest_level), lev);
}

}

Expand Down
4 changes: 2 additions & 2 deletions Source/WarpX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2511,7 +2511,7 @@ WarpX::AllocLevelMFs (int lev, const BoxArray& ba, const DistributionMapping& dm
m_fields.alias_init(FieldType::Efield_aux, FieldType::Efield_avg_fp, Direction{1}, lev, 0.0_rt);
m_fields.alias_init(FieldType::Efield_aux, FieldType::Efield_avg_fp, Direction{2}, lev, 0.0_rt);
} else {
if (mypc->m_B_ext_particle_s == "read_from_file") {
if (mypc->m_B_ext_particle_s == "read_from_file" || WarpX::use_filter) {
m_fields.alloc_init(FieldType::Bfield_aux, Direction{0}, lev, amrex::convert(ba, Bx_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
m_fields.alloc_init(FieldType::Bfield_aux, Direction{1}, lev, amrex::convert(ba, By_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
m_fields.alloc_init(FieldType::Bfield_aux, Direction{2}, lev, amrex::convert(ba, Bz_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
Expand All @@ -2521,7 +2521,7 @@ WarpX::AllocLevelMFs (int lev, const BoxArray& ba, const DistributionMapping& dm
m_fields.alias_init(FieldType::Bfield_aux, FieldType::Bfield_fp, Direction{1}, lev, 0.0_rt);
m_fields.alias_init(FieldType::Bfield_aux, FieldType::Bfield_fp, Direction{2}, lev, 0.0_rt);
}
if (mypc->m_E_ext_particle_s == "read_from_file") {
if (mypc->m_E_ext_particle_s == "read_from_file" || WarpX::use_filter) {
m_fields.alloc_init(FieldType::Efield_aux, Direction{0}, lev, amrex::convert(ba, Ex_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
m_fields.alloc_init(FieldType::Efield_aux, Direction{1}, lev, amrex::convert(ba, Ey_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
m_fields.alloc_init(FieldType::Efield_aux, Direction{2}, lev, amrex::convert(ba, Ez_nodal_flag), dm, ncomps, ngEB, 0.0_rt);
Expand Down
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