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#include <MultiParticleContainer.H>
#include <WarpX.H>
using namespace amrex;
void
RigidInjectedParticleContainer::ReadHeader (std::istream& is)
{
is >> charge >> mass;
WarpX::GotoNextLine(is);
int nlevs;
is >> nlevs;
WarpX::GotoNextLine(is);
AMREX_ASSERT(zinject_plane_levels.size() == 0);
AMREX_ASSERT(done_injecting.size() == 0);
for (int i = 0; i < nlevs; ++i)
{
int zinject_plane_tmp;
is >> zinject_plane_tmp;
zinject_plane_levels.push_back(zinject_plane_tmp);
WarpX::GotoNextLine(is);
}
for (int i = 0; i < nlevs; ++i)
{
int done_injecting_tmp;
is >> done_injecting_tmp;
done_injecting.push_back(done_injecting_tmp);
WarpX::GotoNextLine(is);
}
}
void
RigidInjectedParticleContainer::WriteHeader (std::ostream& os) const
{
// no need to write species_id
os << charge << " " << mass << "\n";
int nlevs = zinject_plane_levels.size();
os << nlevs << "\n";
for (int i = 0; i < nlevs; ++i)
{
os << zinject_plane_levels[i] << "\n";
}
for (int i = 0; i < nlevs; ++i)
{
os << done_injecting[i] << "\n";
}
}
void
WarpXParticleContainer::ReadHeader (std::istream& is)
{
is >> charge >> mass;
WarpX::GotoNextLine(is);
}
void
WarpXParticleContainer::WriteHeader (std::ostream& os) const
{
// no need to write species_id
os << charge << " " << mass << "\n";
}
void
MultiParticleContainer::Checkpoint (const std::string& dir) const
{
for (unsigned i = 0, n = species_names.size(); i < n; ++i) {
allcontainers[i]->Checkpoint(dir, species_names[i]);
}
}
void
MultiParticleContainer::WritePlotFile (const std::string& dir) const
{
for (unsigned i = 0, n = species_names.size(); i < n; ++i) {
auto& pc = allcontainers[i];
if (pc->plot_species) {
Vector<std::string> real_names;
Vector<std::string> int_names;
Vector<int> int_flags;
real_names.push_back("weight");
real_names.push_back("momentum_x");
real_names.push_back("momentum_y");
real_names.push_back("momentum_z");
real_names.push_back("Ex");
real_names.push_back("Ey");
real_names.push_back("Ez");
real_names.push_back("Bx");
real_names.push_back("By");
real_names.push_back("Bz");
#ifdef WARPX_DIM_RZ
real_names.push_back("theta");
#endif
if(pc->do_field_ionization){
int_names.push_back("ionization_level");
// int_flags specifies, for each integer attribs, whether it is
// dumped to plotfiles. So far, ionization_level is the only
// integer attribs, and it is automatically dumped to plotfiles
// when ionization is on.
int_flags.resize(1, 1);
}
#ifdef WARPX_QED
if(pc->m_do_qed){
real_names.push_back("tau");
}
#endif
// Convert momentum to SI
pc->ConvertUnits(ConvertDirection::WarpX_to_SI);
// real_names contains a list of all particle attributes.
// pc->plot_flags is 1 or 0, whether quantity is dumped or not.
pc->WritePlotFile(dir, species_names[i],
pc->plot_flags, int_flags,
real_names, int_names);
// Convert momentum back to WarpX units
pc->ConvertUnits(ConvertDirection::SI_to_WarpX);
}
}
}
void
MultiParticleContainer::Restart (const std::string& dir)
{
for (unsigned i = 0, n = species_names.size(); i < n; ++i) {
allcontainers[i]->Restart(dir, species_names[i]);
}
}
void
MultiParticleContainer::ReadHeader (std::istream& is)
{
for (auto& pc : allcontainers) {
pc->ReadHeader(is);
}
}
void
MultiParticleContainer::WriteHeader (std::ostream& os) const
{
for (const auto& pc : allcontainers) {
pc->WriteHeader(os);
}
}
// Particle momentum is defined as gamma*velocity, which is neither
// SI mass*gamma*velocity nor normalized gamma*velocity/c.
// This converts momentum to SI units (or vice-versa) to write SI data
// to file.
void
PhysicalParticleContainer::ConvertUnits(ConvertDirection convert_direction)
{
BL_PROFILE("PPC::ConvertUnits()");
// Compute conversion factor
Real factor = 1;
if (convert_direction == ConvertDirection::WarpX_to_SI){
factor = mass;
} else if (convert_direction == ConvertDirection::SI_to_WarpX){
factor = 1./mass;
}
const int nLevels = finestLevel();
for (int lev=0; lev<=nLevels; lev++){
#ifdef _OPENMP
#pragma omp parallel if (Gpu::notInLaunchRegion())
#endif
for (WarpXParIter pti(*this, lev); pti.isValid(); ++pti)
{
// - momenta are stored as a struct of array, in `attribs`
auto& attribs = pti.GetAttribs();
ParticleReal* AMREX_RESTRICT ux = attribs[PIdx::ux].dataPtr();
ParticleReal* AMREX_RESTRICT uy = attribs[PIdx::uy].dataPtr();
ParticleReal* AMREX_RESTRICT uz = attribs[PIdx::uz].dataPtr();
// Loop over the particles and convert momentum
const long np = pti.numParticles();
ParallelFor( np,
[=] AMREX_GPU_DEVICE (long i) {
ux[i] *= factor;
uy[i] *= factor;
uz[i] *= factor;
}
);
}
}
}
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