611 lines
30 KiB
C++
611 lines
30 KiB
C++
module;
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#include <mfem.hpp>
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module mean_field;
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import :operators.kernels.gravity_displacement_force;
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import :operators.prepared_gravity_displacement_force;
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namespace {
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using DomainSchema = mean_field::utils::domain::CoreEnvelopeVacuumDomainSchema;
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[[nodiscard]] bool relevant_revisions_match(
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const mean_field::operators::context::gravity_field::GravityFieldRevisions &left,
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const mean_field::operators::context::gravity_field::GravityFieldRevisions &right
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) noexcept {
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return left.discretization == right.discretization && left.displacement == right.displacement &&
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left.density == right.density && left.gravity_gradient == right.gravity_gradient;
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}
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[[nodiscard]] bool is_vacuum_attribute(const int attribute) {
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return DomainSchema::template attribute_belongs_to<mean_field::utils::domain::Vacuum>(attribute);
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}
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void true_to_local(
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const mfem::ParFiniteElementSpace &finiteElementSpace,
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const mfem::Vector &trueVector,
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mfem::Vector &localVector
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) {
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localVector.SetSize(finiteElementSpace.GetVSize());
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const mfem::Operator *prolongation = finiteElementSpace.GetProlongationMatrix();
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if (prolongation != nullptr) {
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prolongation->Mult(trueVector, localVector);
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} else {
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localVector = trueVector;
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}
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}
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void local_to_true(
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const mfem::ParFiniteElementSpace &finiteElementSpace,
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const mfem::Vector &localVector,
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mfem::Vector &trueVector
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) {
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trueVector.SetSize(finiteElementSpace.GetTrueVSize());
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trueVector = 0.0;
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const mfem::Operator *prolongation = finiteElementSpace.GetProlongationMatrix();
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if (prolongation != nullptr) {
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prolongation->MultTranspose(localVector, trueVector);
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} else {
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trueVector = localVector;
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}
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}
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[[nodiscard]] int vector_dof_index(
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const mfem::Ordering::Type ordering,
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const int scalarDof,
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const int component,
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const int scalarDofCount,
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const int dimension
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) {
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if (ordering == mfem::Ordering::byNODES) {
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return scalarDof + component * scalarDofCount;
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}
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MFEM_VERIFY(ordering == mfem::Ordering::byVDIM, "Unsupported displacement ordering.");
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return scalarDof * dimension + component;
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}
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[[nodiscard]] const mfem::IntegrationRule &get_gravity_force_rule(
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const mean_field::fem::FEM &f,
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const mfem::ElementTransformation &transformation
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) {
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using DisplacementField = mean_field::field::Field<mean_field::field::Displacement>;
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const mean_field::quadrature::Query query =
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DisplacementField::make_query<mean_field::field::Displacement::Form::GravityForce>(
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mean_field::quadrature::QuadratureRole::discretization, transformation.OrderW(), {},
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mean_field::utils::DOMAINS::STELLAR, mean_field::quadrature::MappingKind::general
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);
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const mean_field::quadrature::MfemRule rule = f.quadratureFactory->get(query, transformation.GetGeometryType());
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MFEM_VERIFY(
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rule.integration_rule != nullptr,
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"The quadrature policy did not return a gravity-displacement-force integration rule."
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);
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return *rule.integration_rule;
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}
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} // namespace
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namespace mean_field::operators {
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PreparedGravityDisplacementForceOperator::PreparedGravityDisplacementForceOperator(
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const fem::FEM &f,
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const mapping::DomainMapper &domainMapper,
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const context::gravity_field::GravityFieldLinearizationContext &gravityContext
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)
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: m_fem(f),
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m_domainMapper(domainMapper),
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m_gravityContext(gravityContext) {
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MFEM_VERIFY(m_fem.mesh != nullptr, "PreparedGravityDisplacementForceOperator requires a mesh.");
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MFEM_VERIFY(
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m_fem.densityFes != nullptr && m_fem.gravityFluxFes != nullptr && m_fem.displacementFes != nullptr,
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"PreparedGravityDisplacementForceOperator requires density, "
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"gravity-gradient, and displacement finite-element spaces."
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);
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MFEM_VERIFY(
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m_domainMapper.GetDimension() == m_fem.mesh->Dimension(),
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"PreparedGravityDisplacementForceOperator received a mapper "
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"with the wrong dimension."
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);
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}
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void PreparedGravityDisplacementForceOperator::PrepareElementData() {
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m_elements.clear();
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m_elements.reserve(m_fem.mesh->GetNE());
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mfem::Vector baseDensityLocal;
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mfem::Vector baseGravityGradientLocal;
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mfem::Vector baseDisplacementLocal;
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true_to_local(*m_fem.densityFes, m_gravityContext.GetDensityTrue(), baseDensityLocal);
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true_to_local(*m_fem.gravityFluxFes, m_gravityContext.GetGravityGradientTrue(), baseGravityGradientLocal);
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true_to_local(
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*m_fem.displacementFes, m_gravityContext.GetGeometryContext().GetDisplacementTrue(), baseDisplacementLocal
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);
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mapping::DomainMapper::Workspace workspace(m_domainMapper.GetDimension());
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mapping::VolumeMappingContext mappingContext;
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mfem::Array<int> compactificationDofs;
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mfem::Vector elementBaseDensity;
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mfem::Vector elementBaseGravityGradient;
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mfem::Vector elementBaseDisplacement;
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mfem::Vector elementCompactification;
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mfem::Vector densityShape;
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mfem::Vector baseGravityReferenceValue;
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mfem::DenseMatrix gravityGradientShape;
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const int dimension = m_domainMapper.GetDimension();
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for (int elementId = 0; elementId < m_fem.mesh->GetNE(); ++elementId) {
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mfem::ElementTransformation *transformation = m_fem.mesh->GetElementTransformation(elementId);
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MFEM_VERIFY(transformation != nullptr, "Prepared gravity force received a null transformation.");
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if (is_vacuum_attribute(transformation->Attribute)) {
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continue;
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}
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m_elements.emplace_back();
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ElementPAData &data = m_elements.back();
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data.elementId = elementId;
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data.densityDofTransformation = m_fem.densityFes->GetElementDofs(elementId, data.densityDofs);
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data.gravityGradientDofTransformation =
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m_fem.gravityFluxFes->GetElementVDofs(elementId, data.gravityGradientDofs);
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data.displacementDofTransformation =
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m_fem.displacementFes->GetElementVDofs(elementId, data.displacementDofs);
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mfem::DofTransformation *compactificationDofTransformation =
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m_fem.compactificationFes->GetElementDofs(elementId, compactificationDofs);
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baseDensityLocal.GetSubVector(data.densityDofs, elementBaseDensity);
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baseGravityGradientLocal.GetSubVector(data.gravityGradientDofs, elementBaseGravityGradient);
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baseDisplacementLocal.GetSubVector(data.displacementDofs, elementBaseDisplacement);
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m_fem.compactificationCoordinate->GetSubVector(compactificationDofs, elementCompactification);
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if (data.densityDofTransformation != nullptr) {
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data.densityDofTransformation->InvTransformPrimal(elementBaseDensity);
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}
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if (data.gravityGradientDofTransformation != nullptr) {
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data.gravityGradientDofTransformation->InvTransformPrimal(elementBaseGravityGradient);
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}
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if (data.displacementDofTransformation != nullptr) {
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data.displacementDofTransformation->InvTransformPrimal(elementBaseDisplacement);
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}
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if (compactificationDofTransformation != nullptr) {
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compactificationDofTransformation->InvTransformPrimal(elementCompactification);
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}
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const mfem::FiniteElement &densityElement = *m_fem.densityFes->GetFE(elementId);
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const mfem::FiniteElement &gravityGradientElement = *m_fem.gravityFluxFes->GetFE(elementId);
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const mfem::FiniteElement &displacementElement = *m_fem.displacementFes->GetFE(elementId);
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const mfem::FiniteElement &compactificationElement = *m_fem.compactificationFes->GetFE(elementId);
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data.integrationRule = &get_gravity_force_rule(m_fem, *transformation);
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const mapping::ElementDisplacementData displacementData =
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mapping::ElementDisplacementDataFromElementVDofs(displacementElement, elementBaseDisplacement);
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const mapping::ElementCompactificationData compactificationData(
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compactificationElement, elementCompactification
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);
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const mapping::ElementMappingData mappingData{
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.displacement = displacementData, .compactification = compactificationData
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};
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const int quadraturePointCount = data.integrationRule->GetNPoints();
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data.mappingJacobians.SetSize(quadraturePointCount, dimension * dimension);
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data.inverseMeshJacobians.SetSize(quadraturePointCount, dimension * dimension);
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data.baseGravityReferenceValues.SetSize(quadraturePointCount, dimension);
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data.baseDensityValues.SetSize(quadraturePointCount);
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data.referenceWeights.SetSize(quadraturePointCount);
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densityShape.SetSize(densityElement.GetDof());
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gravityGradientShape.SetSize(gravityGradientElement.GetDof(), dimension);
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baseGravityReferenceValue.SetSize(dimension);
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for (int quadraturePoint = 0; quadraturePoint < quadraturePointCount; ++quadraturePoint) {
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const mfem::IntegrationPoint &integrationPoint = data.integrationRule->IntPoint(quadraturePoint);
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const mapping::MappingStatus status = m_domainMapper.EvaluateVolume(
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mappingData, *transformation, integrationPoint, workspace, mappingContext
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);
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MFEM_VERIFY(
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status == mapping::MappingStatus::valid && !mappingContext.mapping.compactified,
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"Prepared gravity force encountered an invalid stellar mapping."
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);
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densityElement.CalcShape(integrationPoint, densityShape);
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gravityGradientElement.CalcVShape(*transformation, gravityGradientShape);
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gravityGradientShape.MultTranspose(elementBaseGravityGradient, baseGravityReferenceValue);
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data.baseDensityValues(quadraturePoint) = elementBaseDensity * densityShape;
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data.referenceWeights(quadraturePoint) = integrationPoint.weight * transformation->Weight();
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const mfem::DenseMatrix &inverseMeshJacobian = transformation->InverseJacobian();
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for (int row = 0; row < dimension; ++row) {
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data.baseGravityReferenceValues(quadraturePoint, row) = baseGravityReferenceValue(row);
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for (int column = 0; column < dimension; ++column) {
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const int entry = row * dimension + column;
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data.mappingJacobians(quadraturePoint, entry) =
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mappingContext.mapping.mapping_jacobian(row, column);
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data.inverseMeshJacobians(quadraturePoint, entry) = inverseMeshJacobian(row, column);
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}
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}
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}
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}
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}
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PreparedGravityDisplacementForceReport PreparedGravityDisplacementForceOperator::Prepare() {
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MFEM_VERIFY(
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m_gravityContext.IsPrepared(), "PreparedGravityDisplacementForceOperator requires the shared "
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"gravity linearization context to be prepared first."
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);
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const context::gravity_field::GravityFieldRevisions &requestedRevisions = m_gravityContext.GetRevisions();
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if (m_isPrepared && relevant_revisions_match(requestedRevisions, m_preparedRevisions)) {
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return {};
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}
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kernels::apply_gravity_displacement_force_residual(
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m_fem, m_domainMapper, m_gravityContext.GetDensityTrue(), m_gravityContext.GetGravityGradientTrue(),
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m_gravityContext.GetGeometryContext().GetDisplacementTrue(), m_actionTrue
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);
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m_cachedResidual.SetSize(m_gravityContext.GetDisplacementMap().reduced_size());
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m_gravityContext.GetDisplacementMap().gather(m_actionTrue, m_cachedResidual);
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PrepareElementData();
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m_preparedRevisions = requestedRevisions;
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++m_residualPreparationCount;
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m_isPrepared = true;
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return {.preparedResidual = true};
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}
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void PreparedGravityDisplacementForceOperator::BuildResidual(mfem::Vector &residual) const {
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VerifyPrepared();
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residual = m_cachedResidual;
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++m_residualApplicationCount;
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}
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void PreparedGravityDisplacementForceOperator::ApplyDensityJacobianAction(
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const mfem::Vector &densityVariation,
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mfem::Vector &action
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) const {
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VerifyPrepared();
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m_densityVariationTrue.SetSize(m_gravityContext.GetDensityMap().full_size());
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m_gravityContext.GetDensityMap().scatter(densityVariation, m_densityVariationTrue);
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kernels::apply_gravity_displacement_force_density_action(
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m_fem, m_domainMapper, m_densityVariationTrue, m_gravityContext.GetGravityGradientTrue(),
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m_gravityContext.GetGeometryContext().GetDisplacementTrue(), m_actionTrue
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);
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action.SetSize(m_gravityContext.GetDisplacementMap().reduced_size());
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m_gravityContext.GetDisplacementMap().gather(m_actionTrue, action);
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++m_densityJacobianStatistics.applications;
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}
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void PreparedGravityDisplacementForceOperator::ApplyGravityGradientJacobianAction(
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const mfem::Vector &gravityGradientVariation,
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mfem::Vector &action
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) const {
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VerifyPrepared();
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m_gravityGradientVariationTrue.SetSize(m_gravityContext.GetGravityGradientMap().full_size());
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m_gravityContext.GetGravityGradientMap().scatter(gravityGradientVariation, m_gravityGradientVariationTrue);
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kernels::apply_gravity_displacement_force_gradient_action(
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m_fem, m_domainMapper, m_gravityContext.GetDensityTrue(), m_gravityGradientVariationTrue,
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m_gravityContext.GetGeometryContext().GetDisplacementTrue(), m_actionTrue
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);
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action.SetSize(m_gravityContext.GetDisplacementMap().reduced_size());
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m_gravityContext.GetDisplacementMap().gather(m_actionTrue, action);
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++m_gravityGradientJacobianStatistics.applications;
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}
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void PreparedGravityDisplacementForceOperator::ApplyDisplacementJacobianAction(
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const mfem::Vector &displacementVariation,
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mfem::Vector &action
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) const {
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VerifyPrepared();
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m_displacementVariationTrue.SetSize(m_gravityContext.GetDisplacementMap().full_size());
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m_gravityContext.GetDisplacementMap().scatter(displacementVariation, m_displacementVariationTrue);
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kernels::apply_gravity_displacement_force_displacement_action(
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m_fem, m_domainMapper, m_gravityContext.GetDensityTrue(), m_gravityContext.GetGravityGradientTrue(),
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m_displacementVariationTrue, m_gravityContext.GetGeometryContext().GetDisplacementTrue(), m_actionTrue
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);
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action.SetSize(m_gravityContext.GetDisplacementMap().reduced_size());
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m_gravityContext.GetDisplacementMap().gather(m_actionTrue, action);
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++m_displacementJacobianStatistics.applications;
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}
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void PreparedGravityDisplacementForceOperator::ApplyPreparedCompleteJacobianActionTrue(
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const mfem::Vector &densityVariationTrue,
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const mfem::Vector &displacementVariationTrue,
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const mfem::Vector &gravityGradientVariationTrue,
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mfem::Vector &actionTrue
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) const {
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true_to_local(*m_fem.densityFes, densityVariationTrue, m_densityVariationLocal);
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true_to_local(*m_fem.gravityFluxFes, gravityGradientVariationTrue, m_gravityGradientVariationLocal);
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true_to_local(*m_fem.displacementFes, displacementVariationTrue, m_displacementVariationLocal);
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m_localAction.SetSize(m_fem.displacementFes->GetVSize());
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m_localAction = 0.0;
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const int dimension = m_domainMapper.GetDimension();
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const mfem::Ordering::Type ordering = m_fem.displacementFes->GetOrdering();
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for (const ElementPAData &data : m_elements) {
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MFEM_VERIFY(data.integrationRule != nullptr, "Prepared gravity force has no integration rule.");
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m_densityVariationLocal.GetSubVector(data.densityDofs, m_elementDensityVariation);
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m_gravityGradientVariationLocal.GetSubVector(data.gravityGradientDofs, m_elementGravityGradientVariation);
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m_displacementVariationLocal.GetSubVector(data.displacementDofs, m_elementDisplacementVariation);
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if (data.densityDofTransformation != nullptr) {
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data.densityDofTransformation->InvTransformPrimal(m_elementDensityVariation);
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}
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if (data.gravityGradientDofTransformation != nullptr) {
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data.gravityGradientDofTransformation->InvTransformPrimal(m_elementGravityGradientVariation);
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}
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if (data.displacementDofTransformation != nullptr) {
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data.displacementDofTransformation->InvTransformPrimal(m_elementDisplacementVariation);
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}
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const mfem::FiniteElement &densityElement = *m_fem.densityFes->GetFE(data.elementId);
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const mfem::FiniteElement &gravityGradientElement = *m_fem.gravityFluxFes->GetFE(data.elementId);
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const mfem::FiniteElement &displacementElement = *m_fem.displacementFes->GetFE(data.elementId);
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mfem::ElementTransformation *transformation = m_fem.mesh->GetElementTransformation(data.elementId);
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MFEM_VERIFY(transformation != nullptr, "Prepared gravity force received a null transformation.");
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const mapping::ElementDisplacementData directionData =
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mapping::ElementDisplacementDataFromElementVDofs(displacementElement, m_elementDisplacementVariation);
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const mfem::DenseMatrix &directionDofs = directionData.GetDofMatrix();
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const int scalarDisplacementDofCount = displacementElement.GetDof();
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m_densityShape.SetSize(densityElement.GetDof());
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m_displacementShape.SetSize(scalarDisplacementDofCount);
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m_gravityGradientShape.SetSize(gravityGradientElement.GetDof(), dimension);
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m_referenceDisplacementDShape.SetSize(scalarDisplacementDofCount, dimension);
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m_referenceDisplacementJacobian.SetSize(dimension, dimension);
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m_displacementJacobianVariation.SetSize(dimension, dimension);
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m_mappingJacobian.SetSize(dimension, dimension);
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m_inverseMeshJacobian.SetSize(dimension, dimension);
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m_baseGravityReferenceValue.SetSize(dimension);
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m_gravityVariationReferenceValue.SetSize(dimension);
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m_mappedBaseGravity.SetSize(dimension);
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m_mappedGravityVariation.SetSize(dimension);
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m_mappedGeometryVariation.SetSize(dimension);
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m_forceValue.SetSize(dimension);
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m_elementAction.SetSize(data.displacementDofs.Size());
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m_elementAction = 0.0;
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for (int quadraturePoint = 0; quadraturePoint < data.integrationRule->GetNPoints(); ++quadraturePoint) {
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const mfem::IntegrationPoint &integrationPoint = data.integrationRule->IntPoint(quadraturePoint);
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densityElement.CalcShape(integrationPoint, m_densityShape);
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displacementElement.CalcShape(integrationPoint, m_displacementShape);
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displacementElement.CalcDShape(integrationPoint, m_referenceDisplacementDShape);
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mfem::MultAtB(directionDofs, m_referenceDisplacementDShape, m_referenceDisplacementJacobian);
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transformation->SetIntPoint(&integrationPoint);
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gravityGradientElement.CalcVShape(*transformation, m_gravityGradientShape);
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m_gravityGradientShape.MultTranspose(
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m_elementGravityGradientVariation, m_gravityVariationReferenceValue
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);
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for (int row = 0; row < dimension; ++row) {
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m_baseGravityReferenceValue(row) = data.baseGravityReferenceValues(quadraturePoint, row);
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for (int column = 0; column < dimension; ++column) {
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const int entry = row * dimension + column;
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m_mappingJacobian(row, column) = data.mappingJacobians(quadraturePoint, entry);
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m_inverseMeshJacobian(row, column) = data.inverseMeshJacobians(quadraturePoint, entry);
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}
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}
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mfem::Mult(m_referenceDisplacementJacobian, m_inverseMeshJacobian, m_displacementJacobianVariation);
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m_mappingJacobian.Mult(m_baseGravityReferenceValue, m_mappedBaseGravity);
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m_mappingJacobian.Mult(m_gravityVariationReferenceValue, m_mappedGravityVariation);
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m_displacementJacobianVariation.Mult(m_baseGravityReferenceValue, m_mappedGeometryVariation);
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const double densityVariationValue = m_elementDensityVariation * m_densityShape;
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const double baseDensityValue = data.baseDensityValues(quadraturePoint);
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m_forceValue = 0.0;
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m_forceValue.Add(densityVariationValue, m_mappedBaseGravity);
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m_forceValue.Add(baseDensityValue, m_mappedGravityVariation);
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m_forceValue.Add(baseDensityValue, m_mappedGeometryVariation);
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m_forceValue *= data.referenceWeights(quadraturePoint);
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for (int scalarDof = 0; scalarDof < scalarDisplacementDofCount; ++scalarDof) {
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for (int component = 0; component < dimension; ++component) {
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const int vectorDof =
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vector_dof_index(ordering, scalarDof, component, scalarDisplacementDofCount, dimension);
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|
m_elementAction(vectorDof) += m_displacementShape(scalarDof) * m_forceValue(component);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (data.displacementDofTransformation != nullptr) {
|
|
data.displacementDofTransformation->TransformDual(m_elementAction);
|
|
}
|
|
m_localAction.AddElementVector(data.displacementDofs, m_elementAction);
|
|
}
|
|
|
|
local_to_true(*m_fem.displacementFes, m_localAction, actionTrue);
|
|
}
|
|
|
|
void PreparedGravityDisplacementForceOperator::ApplyCompleteJacobianAction(
|
|
const mfem::Vector &densityVariation,
|
|
const mfem::Vector &displacementVariation,
|
|
const mfem::Vector &gravityGradientVariation,
|
|
mfem::Vector &action
|
|
) const {
|
|
VerifyPrepared();
|
|
|
|
m_densityVariationTrue.SetSize(m_gravityContext.GetDensityMap().full_size());
|
|
m_gravityGradientVariationTrue.SetSize(m_gravityContext.GetGravityGradientMap().full_size());
|
|
m_displacementVariationTrue.SetSize(m_gravityContext.GetDisplacementMap().full_size());
|
|
m_gravityContext.GetDensityMap().scatter(densityVariation, m_densityVariationTrue);
|
|
m_gravityContext.GetGravityGradientMap().scatter(gravityGradientVariation, m_gravityGradientVariationTrue);
|
|
m_gravityContext.GetDisplacementMap().scatter(displacementVariation, m_displacementVariationTrue);
|
|
|
|
ApplyPreparedCompleteJacobianActionTrue(
|
|
m_densityVariationTrue, m_displacementVariationTrue, m_gravityGradientVariationTrue, m_actionTrue
|
|
);
|
|
action.SetSize(m_gravityContext.GetDisplacementMap().reduced_size());
|
|
m_gravityContext.GetDisplacementMap().gather(m_actionTrue, action);
|
|
|
|
++m_densityJacobianStatistics.applications;
|
|
++m_gravityGradientJacobianStatistics.applications;
|
|
++m_displacementJacobianStatistics.applications;
|
|
++m_completeJacobianStatistics.applications;
|
|
}
|
|
|
|
bool PreparedGravityDisplacementForceOperator::IsPrepared() const noexcept {
|
|
if (!m_isPrepared || !m_gravityContext.IsPrepared()) {
|
|
return false;
|
|
}
|
|
|
|
return relevant_revisions_match(m_gravityContext.GetRevisions(), m_preparedRevisions);
|
|
}
|
|
|
|
std::uint64_t PreparedGravityDisplacementForceOperator::GetResidualPreparationCount() const noexcept {
|
|
return m_residualPreparationCount;
|
|
}
|
|
|
|
std::uint64_t PreparedGravityDisplacementForceOperator::GetResidualApplicationCount() const noexcept {
|
|
return m_residualApplicationCount;
|
|
}
|
|
|
|
const PreparedGravityDisplacementForceColumnStatistics &
|
|
PreparedGravityDisplacementForceOperator::GetDensityJacobianStatistics() const noexcept {
|
|
return m_densityJacobianStatistics;
|
|
}
|
|
|
|
const PreparedGravityDisplacementForceColumnStatistics &
|
|
PreparedGravityDisplacementForceOperator::GetGravityGradientJacobianStatistics() const noexcept {
|
|
return m_gravityGradientJacobianStatistics;
|
|
}
|
|
|
|
const PreparedGravityDisplacementForceColumnStatistics &
|
|
PreparedGravityDisplacementForceOperator::GetDisplacementJacobianStatistics() const noexcept {
|
|
return m_displacementJacobianStatistics;
|
|
}
|
|
|
|
const PreparedGravityDisplacementForceCompleteStatistics &
|
|
PreparedGravityDisplacementForceOperator::GetCompleteJacobianStatistics() const noexcept {
|
|
return m_completeJacobianStatistics;
|
|
}
|
|
|
|
const fem::FEM &PreparedGravityDisplacementForceOperator::GetFEM() const noexcept {
|
|
return m_fem;
|
|
}
|
|
|
|
const context::gravity_field::GravityFieldLinearizationContext &
|
|
PreparedGravityDisplacementForceOperator::GetGravityContext() const noexcept {
|
|
return m_gravityContext;
|
|
}
|
|
|
|
void PreparedGravityDisplacementForceOperator::VerifyPrepared() const {
|
|
MFEM_VERIFY(
|
|
IsPrepared(), "PreparedGravityDisplacementForceOperator must be prepared for "
|
|
"the current shared gravity-context revisions before residual or "
|
|
"Jacobian application."
|
|
);
|
|
}
|
|
|
|
PreparedGravityDisplacementForceJacobianOperator::PreparedGravityDisplacementForceJacobianOperator(
|
|
const GravityDisplacementForceLayout &layout,
|
|
const PreparedGravityDisplacementForceOperator &preparedOperator
|
|
)
|
|
: mfem::Operator(
|
|
layout.residual_offsets().Last(),
|
|
layout.value_offsets().Last()
|
|
),
|
|
m_layout(layout),
|
|
m_preparedOperator(preparedOperator) {
|
|
using Form = utils::blocks::barotropic_equilibrium_form;
|
|
|
|
constexpr auto densityValue = utils::blocks::get_value_block<Form>(utils::blocks::density_field.mass_term);
|
|
|
|
constexpr auto displacementValue =
|
|
utils::blocks::get_value_block<Form>(utils::blocks::displacement_field.geometry_term);
|
|
|
|
constexpr auto gravityGradientValue =
|
|
utils::blocks::get_value_block<Form>(utils::blocks::gravity_field.gradient_term);
|
|
|
|
constexpr auto displacementResidual =
|
|
utils::blocks::get_residual_block<Form>(utils::blocks::displacement_field.geometry_term);
|
|
|
|
MFEM_VERIFY(
|
|
m_layout.size(densityValue) == m_preparedOperator.GetGravityContext().GetDensityMap().reduced_size() &&
|
|
m_layout.size(displacementValue) ==
|
|
m_preparedOperator.GetGravityContext().GetDisplacementMap().reduced_size() &&
|
|
m_layout.size(gravityGradientValue) ==
|
|
m_preparedOperator.GetGravityContext().GetGravityGradientMap().reduced_size() &&
|
|
m_layout.size(displacementResidual) ==
|
|
m_preparedOperator.GetGravityContext().GetDisplacementMap().reduced_size(),
|
|
"Prepared gravity-displacement-force MFEM adapter received "
|
|
"incompatible coupled block sizes."
|
|
);
|
|
}
|
|
|
|
void PreparedGravityDisplacementForceJacobianOperator::Mult(
|
|
const mfem::Vector &direction,
|
|
mfem::Vector &action
|
|
) const {
|
|
MFEM_VERIFY(
|
|
m_preparedOperator.IsPrepared(), "Prepared gravity-displacement-force MFEM adapter requires a "
|
|
"prepared operator."
|
|
);
|
|
|
|
MFEM_VERIFY(
|
|
direction.Size() == Width(), "Prepared gravity-displacement-force MFEM adapter received a "
|
|
"direction with the wrong size."
|
|
);
|
|
|
|
using Form = utils::blocks::barotropic_equilibrium_form;
|
|
|
|
constexpr auto densityValue = utils::blocks::get_value_block<Form>(utils::blocks::density_field.mass_term);
|
|
|
|
constexpr auto displacementValue =
|
|
utils::blocks::get_value_block<Form>(utils::blocks::displacement_field.geometry_term);
|
|
|
|
constexpr auto gravityGradientValue =
|
|
utils::blocks::get_value_block<Form>(utils::blocks::gravity_field.gradient_term);
|
|
|
|
constexpr auto displacementResidual =
|
|
utils::blocks::get_residual_block<Form>(utils::blocks::displacement_field.geometry_term);
|
|
|
|
const mfem::Vector densityVariation(
|
|
const_cast<mfem::real_t *>(direction.GetData()) + m_layout.offset(densityValue), m_layout.size(densityValue)
|
|
);
|
|
|
|
const mfem::Vector displacementVariation(
|
|
const_cast<mfem::real_t *>(direction.GetData()) + m_layout.offset(displacementValue),
|
|
m_layout.size(displacementValue)
|
|
);
|
|
|
|
const mfem::Vector gravityGradientVariation(
|
|
const_cast<mfem::real_t *>(direction.GetData()) + m_layout.offset(gravityGradientValue),
|
|
m_layout.size(gravityGradientValue)
|
|
);
|
|
|
|
mfem::Vector displacementAction;
|
|
|
|
m_preparedOperator.ApplyCompleteJacobianAction(
|
|
densityVariation, displacementVariation, gravityGradientVariation, displacementAction
|
|
);
|
|
|
|
MFEM_VERIFY(
|
|
displacementAction.Size() == m_layout.size(displacementResidual),
|
|
"Prepared gravity-displacement-force MFEM adapter produced a "
|
|
"displacement action with the wrong size."
|
|
);
|
|
|
|
action.SetSize(Height());
|
|
action = 0.0;
|
|
|
|
const int residualOffset = m_layout.offset(displacementResidual);
|
|
|
|
for (int entry = 0; entry < displacementAction.Size(); ++entry) {
|
|
action(residualOffset + entry) = displacementAction(entry);
|
|
}
|
|
}
|
|
|
|
const GravityDisplacementForceLayout &PreparedGravityDisplacementForceJacobianOperator::GetLayout() const noexcept {
|
|
return m_layout;
|
|
}
|
|
} // namespace mean_field::operators
|