diff options
Diffstat (limited to 'Source/FieldSolver/WarpXPushFieldsEM.cpp')
| -rw-r--r-- | Source/FieldSolver/WarpXPushFieldsEM.cpp | 71 |
1 files changed, 43 insertions, 28 deletions
diff --git a/Source/FieldSolver/WarpXPushFieldsEM.cpp b/Source/FieldSolver/WarpXPushFieldsEM.cpp index 4fce4717b..475f7a1dd 100644 --- a/Source/FieldSolver/WarpXPushFieldsEM.cpp +++ b/Source/FieldSolver/WarpXPushFieldsEM.cpp @@ -18,6 +18,40 @@ using namespace amrex; #ifdef WARPX_USE_PSATD +namespace { + void + PushPSATDSinglePatch ( + SpectralSolver& solver, + std::array<std::unique_ptr<amrex::MultiFab>,3>& Efield, + std::array<std::unique_ptr<amrex::MultiFab>,3>& Bfield, + std::array<std::unique_ptr<amrex::MultiFab>,3>& current, + std::unique_ptr<amrex::MultiFab>& rho ) { + + using Idx = SpectralFieldIndex; + + // Perform forward Fourier transform + solver.ForwardTransform(*Efield[0], Idx::Ex); + solver.ForwardTransform(*Efield[1], Idx::Ey); + solver.ForwardTransform(*Efield[2], Idx::Ez); + solver.ForwardTransform(*Bfield[0], Idx::Bx); + solver.ForwardTransform(*Bfield[1], Idx::By); + solver.ForwardTransform(*Bfield[2], Idx::Bz); + solver.ForwardTransform(*current[0], Idx::Jx); + solver.ForwardTransform(*current[1], Idx::Jy); + solver.ForwardTransform(*current[2], Idx::Jz); + solver.ForwardTransform(*rho, Idx::rho_old, 0); + solver.ForwardTransform(*rho, Idx::rho_new, 1); + // Advance fields in spectral space + solver.pushSpectralFields(); + // Perform backward Fourier Transform + solver.BackwardTransform(*Efield[0], Idx::Ex); + solver.BackwardTransform(*Efield[1], Idx::Ey); + solver.BackwardTransform(*Efield[2], Idx::Ez); + solver.BackwardTransform(*Bfield[0], Idx::Bx); + solver.BackwardTransform(*Bfield[1], Idx::By); + solver.BackwardTransform(*Bfield[2], Idx::Bz); + } +} void WarpX::PushPSATD (amrex::Real a_dt) @@ -34,35 +68,17 @@ WarpX::PushPSATD (amrex::Real a_dt) } } -void WarpX::PushPSATD_localFFT (int lev, amrex::Real /* dt */) +void +WarpX::PushPSATD_localFFT (int lev, amrex::Real /* dt */) { - auto& solver = *spectral_solver_fp[lev]; - - // Perform forward Fourier transform - solver.ForwardTransform(*Efield_fp[lev][0], SpectralFieldIndex::Ex); - solver.ForwardTransform(*Efield_fp[lev][1], SpectralFieldIndex::Ey); - solver.ForwardTransform(*Efield_fp[lev][2], SpectralFieldIndex::Ez); - solver.ForwardTransform(*Bfield_fp[lev][0], SpectralFieldIndex::Bx); - solver.ForwardTransform(*Bfield_fp[lev][1], SpectralFieldIndex::By); - solver.ForwardTransform(*Bfield_fp[lev][2], SpectralFieldIndex::Bz); - solver.ForwardTransform(*current_fp[lev][0], SpectralFieldIndex::Jx); - solver.ForwardTransform(*current_fp[lev][1], SpectralFieldIndex::Jy); - solver.ForwardTransform(*current_fp[lev][2], SpectralFieldIndex::Jz); - solver.ForwardTransform(*rho_fp[lev], SpectralFieldIndex::rho_old, 0); - solver.ForwardTransform(*rho_fp[lev], SpectralFieldIndex::rho_new, 1); - - // Advance fields in spectral space - solver.pushSpectralFields(); - - // Perform backward Fourier Transform - solver.BackwardTransform(*Efield_fp[lev][0], SpectralFieldIndex::Ex); - solver.BackwardTransform(*Efield_fp[lev][1], SpectralFieldIndex::Ey); - solver.BackwardTransform(*Efield_fp[lev][2], SpectralFieldIndex::Ez); - solver.BackwardTransform(*Bfield_fp[lev][0], SpectralFieldIndex::Bx); - solver.BackwardTransform(*Bfield_fp[lev][1], SpectralFieldIndex::By); - solver.BackwardTransform(*Bfield_fp[lev][2], SpectralFieldIndex::Bz); + // Update the fields on the fine and coarse patch + PushPSATDSinglePatch( *spectral_solver_fp[lev], + Efield_fp[lev], Bfield_fp[lev], current_fp[lev], rho_fp[lev] ); + if (spectral_solver_cp[lev]) { + PushPSATDSinglePatch( *spectral_solver_cp[lev], + Efield_cp[lev], Bfield_cp[lev], current_cp[lev], rho_cp[lev] ); + } } - #endif void @@ -559,4 +575,3 @@ WarpX::EvolveF (int lev, PatchType patch_type, Real a_dt, DtType a_dt_type) } } } - |