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[WIP] Specify precision in electromagnetostatic solver #5454

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[WIP] Specify precision in electromagnetostatic solver #5454

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69d1f50
Use user-defined precision in magnetoelectrostatic solver
RemiLehe Nov 12, 2024
a167988
Fix compilation errors
RemiLehe Nov 12, 2024
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13 changes: 10 additions & 3 deletions Source/FieldSolver/MagnetostaticSolver/MagnetostaticSolver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include "Particles/MultiParticleContainer.H"
#include "Particles/WarpXParticleContainer.H"
#include "Python/callbacks.H"
#include "Utils/Parser/ParserUtils.H"
#include "Utils/WarpXAlgorithmSelection.H"
#include "Utils/WarpXConst.H"
#include "Utils/TextMsg.H"
Expand Down Expand Up @@ -134,16 +135,22 @@ WarpX::AddMagnetostaticFieldLabFrame()
WARPX_ALWAYS_ASSERT_WITH_MESSAGE( !IsPythonCallbackInstalled("poissonsolver"),
"Python Level Poisson Solve not supported for Magnetostatic implementation.");

// const amrex::Real magnetostatic_absolute_tolerance = self_fields_absolute_tolerance*PhysConst::c;
// temporary fix!!!
const amrex::Real magnetostatic_absolute_tolerance = 0.0;
// Determine precision required for convergence
amrex::Real self_fields_absolute_tolerance = 0.0;
amrex::Real self_fields_required_precision;
if constexpr (std::is_same<Real, float>::value) {
self_fields_required_precision = 1e-5;
}
else {
self_fields_required_precision = 1e-11;
}
ParmParse const pp_warpx("warpx");
utils::parser::queryWithParser(
pp_warpx, "self_fields_required_precision", self_fields_required_precision);
utils::parser::queryWithParser(
pp_warpx, "self_fields_absolute_tolerance", self_fields_absolute_tolerance);
const amrex::Real magnetostatic_absolute_tolerance = self_fields_absolute_tolerance*PhysConst::c;

const int self_fields_max_iters = 200;
const int self_fields_verbosity = 2;

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