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Snapshot optimized solver and audit diagnostics before numerical experiments

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This commit is contained in:
Emily Boudreaux
2026-09-16 14:34:06 -04:00
parent 75cc638739
commit 80cc3d83d7
64 changed files with 11969 additions and 267 deletions
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57
libmeanfield/interface/deformation/domain_deformation.cppm
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@@ -23,6 +23,7 @@ export import :deformation.radial_extensions;
export import :deformation.surface_prescription;
export import :deformation.vacuum_extension;
export import :fem;
import :fem.reference_tables;
export import :field.mfem;
export import :utils.domain;
@@ -141,8 +142,7 @@ export namespace mean_field::deformation {
m_interiorSurfacePullbackWorkspace(surfaceDisplacementSize()),
m_vacuumSurfacePullbackWorkspace(surfaceDisplacementSize()),
m_surfacePullbackWorkspace(surfaceDisplacementSize()),
m_parameterPullbackWorkspace(parameterCount()),
m_volumeGridFunctionWorkspace(std::make_unique<mfem::ParGridFunction>(&volumeDisplacementSpace)) {
m_parameterPullbackWorkspace(parameterCount()) {
validateCompatibility(surfaceScalarSpace, volumeDisplacementSpace, logicalReferenceMesh);
compileOwnership();
@@ -322,55 +322,8 @@ export namespace mean_field::deformation {
requireCurrentDiscretization();
requireVolumeSize(volumeDisplacement);
m_volumeGridFunctionWorkspace->SetFromTrueDofs(volumeDisplacement);
mfem::Mesh *mesh = m_volumeDisplacementSpace->GetMesh();
double localMinimumDeterminant = std::numeric_limits<double>::infinity();
int localGeometryIsFinite = 1;
for (int element = 0; element < mesh->GetNE(); ++element) {
mfem::ElementTransformation *transformation = mesh->GetElementTransformation(element);
const mfem::FiniteElement *finiteElement = m_volumeDisplacementSpace->GetFE(element);
// Positivity is a pointwise geometry requirement, not an
// integration-accuracy requirement. A rule only slightly
// above the displacement order can miss a narrow negative
// region of the determinant even when a downstream physics
// rule samples it. The determinant of a d-dimensional
// degree-p deformation gradient can vary at substantially
// higher order, so inspect at a conservative d*p scale.
const int geometryInspectionOrder =
std::max(finiteElement->GetOrder() + 2, 2 * spatialDimension() * finiteElement->GetOrder());
const mfem::IntegrationRule &rule =
mfem::IntRules.Get(transformation->GetGeometryType(), geometryInspectionOrder);
for (int point = 0; point < rule.GetNPoints(); ++point) {
transformation->SetIntPoint(&rule.IntPoint(point));
mfem::DenseMatrix deformationGradient;
m_volumeGridFunctionWorkspace->GetVectorGradient(*transformation, deformationGradient);
for (int component = 0; component < spatialDimension(); ++component) {
deformationGradient(component, component) += 1.0;
}
const double determinant = deformationGradient.Det();
if (!std::isfinite(determinant)) {
localGeometryIsFinite = 0;
} else {
localMinimumDeterminant = std::min(localMinimumDeterminant, determinant);
}
}
}
double globalMinimumDeterminant = 0.0;
int globalGeometryIsFinite = 0;
MPI_Allreduce(
&localMinimumDeterminant, &globalMinimumDeterminant, 1, MPI_DOUBLE, MPI_MIN,
m_volumeDisplacementSpace->GetComm()
);
MPI_Allreduce(
&localGeometryIsFinite, &globalGeometryIsFinite, 1, MPI_INT, MPI_MIN,
m_volumeDisplacementSpace->GetComm()
);
if (globalGeometryIsFinite == 0) {
globalMinimumDeterminant = std::numeric_limits<double>::quiet_NaN();
}
const double globalMinimumDeterminant =
m_geometryInspector.Inspect(*m_volumeDisplacementSpace, volumeDisplacement);
++m_actionStatistics.geometryInspections;
return {.minimumJacobianDeterminant = globalMinimumDeterminant};
}
@@ -579,7 +532,7 @@ export namespace mean_field::deformation {
mutable mfem::Vector m_vacuumSurfacePullbackWorkspace;
mutable mfem::Vector m_surfacePullbackWorkspace;
mutable mfem::Vector m_parameterPullbackWorkspace;
mutable std::unique_ptr<mfem::ParGridFunction> m_volumeGridFunctionWorkspace;
mutable fem::PreparedGeometryInspector m_geometryInspector;
};
template <