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-rw-r--r--Source/Utils/WarpXMovingWindow.cpp77
1 files changed, 65 insertions, 12 deletions
diff --git a/Source/Utils/WarpXMovingWindow.cpp b/Source/Utils/WarpXMovingWindow.cpp
index c577da7f3..e05a64bfe 100644
--- a/Source/Utils/WarpXMovingWindow.cpp
+++ b/Source/Utils/WarpXMovingWindow.cpp
@@ -1,4 +1,5 @@
#include <WarpX.H>
+#include <WarpXUtil.H>
#include <WarpXConst.H>
using namespace amrex;
@@ -97,10 +98,25 @@ WarpX::MoveWindow (bool move_j)
// Shift each component of vector fields (E, B, j)
for (int dim = 0; dim < 3; ++dim) {
-
// Fine grid
- shiftMF(*Bfield_fp[lev][dim], geom[lev], num_shift, dir, B_external_grid[dim]);
- shiftMF(*Efield_fp[lev][dim], geom[lev], num_shift, dir, E_external_grid[dim]);
+ ParserWrapper *Bfield_parser;
+ ParserWrapper *Efield_parser;
+ bool use_Bparser = false;
+ bool use_Eparser = false;
+ if (B_ext_grid_s == "parse_b_ext_grid_function") {
+ use_Bparser = true;
+ if (dim == 0) Bfield_parser = Bxfield_parser.get();
+ if (dim == 1) Bfield_parser = Byfield_parser.get();
+ if (dim == 2) Bfield_parser = Bzfield_parser.get();
+ }
+ if (E_ext_grid_s == "parse_e_ext_grid_function") {
+ use_Eparser = true;
+ if (dim == 0) Efield_parser = Exfield_parser.get();
+ if (dim == 1) Efield_parser = Eyfield_parser.get();
+ if (dim == 2) Efield_parser = Ezfield_parser.get();
+ }
+ shiftMF(*Bfield_fp[lev][dim], geom[lev], num_shift, dir, B_external_grid[dim], use_Bparser, Bfield_parser);
+ shiftMF(*Efield_fp[lev][dim], geom[lev], num_shift, dir, E_external_grid[dim], use_Eparser, Efield_parser);
if (move_j) {
shiftMF(*current_fp[lev][dim], geom[lev], num_shift, dir);
}
@@ -112,9 +128,9 @@ WarpX::MoveWindow (bool move_j)
}
if (lev > 0) {
- // Coarse grid
- shiftMF(*Bfield_cp[lev][dim], geom[lev-1], num_shift_crse, dir, B_external_grid[dim]);
- shiftMF(*Efield_cp[lev][dim], geom[lev-1], num_shift_crse, dir, E_external_grid[dim]);
+ // coarse grid
+ shiftMF(*Bfield_cp[lev][dim], geom[lev-1], num_shift_crse, dir, B_external_grid[dim], use_Bparser, Bfield_parser);
+ shiftMF(*Efield_cp[lev][dim], geom[lev-1], num_shift_crse, dir, E_external_grid[dim], use_Eparser, Efield_parser);
shiftMF(*Bfield_aux[lev][dim], geom[lev], num_shift, dir);
shiftMF(*Efield_aux[lev][dim], geom[lev], num_shift, dir);
if (move_j) {
@@ -132,7 +148,7 @@ WarpX::MoveWindow (bool move_j)
// Shift scalar component F for dive cleaning
if (do_dive_cleaning) {
// Fine grid
- shiftMF(*F_fp[lev], geom[lev], num_shift, dir);
+ shiftMF(*F_fp[lev], geom[lev], num_shift, dir);
if (do_pml && pml[lev]->ok()) {
MultiFab* pml_F = pml[lev]->GetF_fp();
shiftMF(*pml_F, geom[lev], num_shift, dir);
@@ -204,7 +220,7 @@ WarpX::MoveWindow (bool move_j)
void
WarpX::shiftMF (MultiFab& mf, const Geometry& geom, int num_shift, int dir,
- amrex::Real external_field)
+ amrex::Real external_field, bool useparser, ParserWrapper *field_parser)
{
BL_PROFILE("WarpX::shiftMF()");
const BoxArray& ba = mf.boxArray();
@@ -246,20 +262,57 @@ WarpX::shiftMF (MultiFab& mf, const Geometry& geom, int num_shift, int dir,
shiftiv[dir] = num_shift;
Dim3 shift = shiftiv.dim3();
+ const RealBox& real_box = geom.ProbDomain();
+ const auto dx = geom.CellSizeArray();
+
#ifdef _OPENMP
#pragma omp parallel if (Gpu::notInLaunchRegion())
#endif
+
+
for (MFIter mfi(tmpmf); mfi.isValid(); ++mfi )
{
auto const& dstfab = mf.array(mfi);
auto const& srcfab = tmpmf.array(mfi);
const Box& outbox = mfi.fabbox() & adjBox;
+
if (outbox.ok()) {
- AMREX_PARALLEL_FOR_4D ( outbox, nc, i, j, k, n,
- {
- srcfab(i,j,k,n) = external_field;
- });
+ if (useparser == false) {
+ AMREX_PARALLEL_FOR_4D ( outbox, nc, i, j, k, n,
+ {
+ srcfab(i,j,k,n) = external_field;
+ });
+ } else if (useparser == true) {
+ // index type of the src mf
+ auto const& mf_IndexType = (tmpmf).ixType();
+ IntVect mf_type(AMREX_D_DECL(0,0,0));
+ for (int idim = 0; idim < AMREX_SPACEDIM; ++idim) {
+ mf_type[idim] = mf_IndexType.nodeCentered(idim);
+ }
+
+ amrex::ParallelFor (outbox, nc,
+ [=] AMREX_GPU_DEVICE (int i, int j, int k, int n) noexcept
+ {
+ // Compute x,y,z co-ordinates based on index type of mf
+ Real fac_x = (1.0 - mf_type[0]) * dx[0]*0.5;
+ Real x = i*dx[0] + real_box.lo(0) + fac_x;
+#if (AMREX_SPACEDIM==2)
+ Real y = 0.0;
+ Real fac_z = (1.0 - mf_type[1]) * dx[1]*0.5;
+ Real z = j*dx[1] + real_box.lo(1) + fac_z;
+#else
+ Real fac_y = (1.0 - mf_type[1]) * dx[1]*0.5;
+ Real y = j*dx[1] + real_box.lo(1) + fac_y;
+ Real fac_z = (1.0 - mf_type[2]) * dx[2]*0.5;
+ Real z = k*dx[2] + real_box.lo(2) + fac_z;
+#endif
+ srcfab(i,j,k,n) = field_parser->getField(x,y,z);
+ }
+ , amrex::Gpu::numThreadsPerBlockParallelFor() * sizeof(double)*3
+ );
+ }
+
}
Box dstBox = mf[mfi].box();