diff options
Diffstat (limited to 'Source/Particles/PhysicalParticleContainer.cpp')
| -rw-r--r-- | Source/Particles/PhysicalParticleContainer.cpp | 119 |
1 files changed, 107 insertions, 12 deletions
diff --git a/Source/Particles/PhysicalParticleContainer.cpp b/Source/Particles/PhysicalParticleContainer.cpp index 938c80de5..9c13d34e1 100644 --- a/Source/Particles/PhysicalParticleContainer.cpp +++ b/Source/Particles/PhysicalParticleContainer.cpp @@ -1052,6 +1052,7 @@ PhysicalParticleContainer::Evolve (int lev, BL_PROFILE("PPC::Evolve()"); BL_PROFILE_VAR_NS("PPC::Evolve::Copy", blp_copy); BL_PROFILE_VAR_NS("PPC::FieldGather", blp_fg); + BL_PROFILE_VAR_NS("PPC::EvolveOpticalDepth", blp_ppc_qed_ev); BL_PROFILE_VAR_NS("PPC::ParticlePush", blp_ppc_pp); const std::array<Real,3>& dx = WarpX::CellSize(lev); @@ -1243,6 +1244,15 @@ PhysicalParticleContainer::Evolve (int lev, BL_PROFILE_VAR_STOP(blp_fg); +#ifdef WARPX_QED + // + //Evolve Optical Depth + // + BL_PROFILE_VAR_START(blp_ppc_qed_ev); + EvolveOpticalDepth(pti, dt); + BL_PROFILE_VAR_STOP(blp_ppc_qed_ev); +#endif + // // Particle Push // @@ -1590,8 +1600,45 @@ PhysicalParticleContainer::PushPX(WarpXParIter& pti, const Real q = this->charge; const Real m = this-> mass; +#ifdef WARPX_QED - //Assumes that all consistency checks have been done at initialization + auto t_chi_max = m_shr_p_qs_engine->get_ref_ctrl().chi_part_min; + + if(do_classical_radiation_reaction){ + if(m_do_qed_quantum_sync){ + amrex::ParallelFor( + pti.numParticles(), + [=] AMREX_GPU_DEVICE (long i) { + auto chi = QedUtils::chi_lepton(m*ux[i], m*uy[i], m*uz[i], + Ex[i], Ey[i], Ez[i], + Bx[i], By[i], Bz[i]); + if(chi < t_chi_max){ + UpdateMomentumBorisWithRadiationReaction( ux[i], uy[i], uz[i], + Ex[i], Ey[i], Ez[i], Bx[i], + By[i], Bz[i], q, m, dt); + } + else{ + UpdateMomentumBoris( ux[i], uy[i], uz[i], + Ex[i], Ey[i], Ez[i], Bx[i], + By[i], Bz[i], q, m, dt); + } + UpdatePosition( x[i], y[i], z[i], + ux[i], uy[i], uz[i], dt ); + } + ); + }else{ + amrex::ParallelFor( + pti.numParticles(), + [=] AMREX_GPU_DEVICE (long i) { + UpdateMomentumBorisWithRadiationReaction( ux[i], uy[i], uz[i], + Ex[i], Ey[i], Ez[i], Bx[i], + By[i], Bz[i], q, m, dt); + UpdatePosition( x[i], y[i], z[i], + ux[i], uy[i], uz[i], dt ); + } + ); + } +#else if(do_classical_radiation_reaction){ amrex::ParallelFor( pti.numParticles(), @@ -1605,6 +1652,7 @@ PhysicalParticleContainer::PushPX(WarpXParIter& pti, ux[i], uy[i], uz[i], dt ); } ); +#endif } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::Boris){ amrex::ParallelFor( pti.numParticles(), @@ -1649,6 +1697,52 @@ PhysicalParticleContainer::PushPX(WarpXParIter& pti, }; } +#ifdef WARPX_QED +void PhysicalParticleContainer::EvolveOpticalDepth( + WarpXParIter& pti, amrex::Real dt) +{ + //m_shr_p_qs_engine->are_lookup_tables_initialized() is necessary here if we want + //to perform just initialization tests of the optical depth without actually + //enabling QED effects (this requires lookup tables). + if(!has_quantum_sync() || !m_shr_p_qs_engine->are_lookup_tables_initialized()) + return; + + QuantumSynchrotronEvolveOpticalDepth evolve_opt = + m_shr_p_qs_engine->build_evolve_functor(); + + auto& attribs = pti.GetAttribs(); + const ParticleReal* const AMREX_RESTRICT ux = attribs[PIdx::ux].dataPtr(); + const ParticleReal* const AMREX_RESTRICT uy = attribs[PIdx::uy].dataPtr(); + const ParticleReal* const AMREX_RESTRICT uz = attribs[PIdx::uz].dataPtr(); + const ParticleReal* const AMREX_RESTRICT Ex = attribs[PIdx::Ex].dataPtr(); + const ParticleReal* const AMREX_RESTRICT Ey = attribs[PIdx::Ey].dataPtr(); + const ParticleReal* const AMREX_RESTRICT Ez = attribs[PIdx::Ez].dataPtr(); + const ParticleReal* const AMREX_RESTRICT Bx = attribs[PIdx::Bx].dataPtr(); + const ParticleReal* const AMREX_RESTRICT By = attribs[PIdx::By].dataPtr(); + const ParticleReal* const AMREX_RESTRICT Bz = attribs[PIdx::Bz].dataPtr(); + + ParticleReal* const AMREX_RESTRICT p_tau = + pti.GetAttribs(particle_comps["tau"]).dataPtr(); + + const ParticleReal m = this->mass; + + amrex::ParallelFor(pti.numParticles(), + [=] AMREX_GPU_DEVICE (long i) { + const ParticleReal px = m * ux[i]; + const ParticleReal py = m * uy[i]; + const ParticleReal pz = m * uz[i]; + + bool has_event_happened = evolve_opt( + px, py, pz, + Ex[i], Ey[i], Ez[i], + Bx[i], By[i], Bz[i], + dt, p_tau[i]); + } + ); + +} +#endif + void PhysicalParticleContainer::PushP (int lev, Real dt, const MultiFab& Ex, const MultiFab& Ey, const MultiFab& Ez, @@ -1732,12 +1826,10 @@ PhysicalParticleContainer::PushP (int lev, Real dt, ion_lev = pti.GetiAttribs(particle_icomps["ionization_level"]).dataPtr(); } - //Assumes that all consistency checks have been done at initialization if(do_classical_radiation_reaction){ - amrex::ParallelFor( - pti.numParticles(), - [=] AMREX_GPU_DEVICE (long i) { + amrex::ParallelFor(pti.numParticles(), + [=] AMREX_GPU_DEVICE (long i){ Real qp = q; if (ion_lev){ qp *= ion_lev[i]; } UpdateMomentumBorisWithRadiationReaction( @@ -1748,7 +1840,7 @@ PhysicalParticleContainer::PushP (int lev, Real dt, } ); } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::Boris){ - amrex::ParallelFor( pti.numParticles(), + amrex::ParallelFor(pti.numParticles(), [=] AMREX_GPU_DEVICE (long i) { Real qp = q; if (ion_lev){ qp *= ion_lev[i]; } @@ -1759,8 +1851,8 @@ PhysicalParticleContainer::PushP (int lev, Real dt, qp, m, dt); } ); - } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::Vay) { - amrex::ParallelFor( pti.numParticles(), + } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::Vay){ + amrex::ParallelFor(pti.numParticles(), [=] AMREX_GPU_DEVICE (long i) { Real qp = q; if (ion_lev){ qp *= ion_lev[i]; } @@ -1771,16 +1863,19 @@ PhysicalParticleContainer::PushP (int lev, Real dt, qp, m, dt); } ); - } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::HigueraCary) { - amrex::ParallelFor( pti.numParticles(), + } else if (WarpX::particle_pusher_algo == ParticlePusherAlgo::HigueraCary){ + amrex::ParallelFor(pti.numParticles(), [=] AMREX_GPU_DEVICE (long i) { UpdateMomentumHigueraCary( ux[i], uy[i], uz[i], - Expp[i], Eypp[i], Ezpp[i], Bxpp[i], Bypp[i], Bzpp[i], q, m, dt); + Expp[i], Eypp[i], Ezpp[i], + Bxpp[i], Bypp[i], Bzpp[i], + q, m, dt); } ); } else { amrex::Abort("Unknown particle pusher"); - }; + } + } } } |