43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
module;
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#include <cstdint>
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#include <mfem.hpp>
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export module mean_field:integrators.gravity;
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import :mapping.domain_mapper;
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export namespace mean_field::integrators {
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enum class GravityForceJacobianMode : std::uint8_t { minimal, field_coupled, exact };
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class GravityMomentumIntegrator : public mfem::BlockNonlinearFormIntegrator {
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public:
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explicit GravityMomentumIntegrator(
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const mapping::DomainMapper &mapper,
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const mfem::GridFunction &displacement,
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const mfem::GridFunction &compactification_coordinate,
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GravityForceJacobianMode jacobian_mode = GravityForceJacobianMode::field_coupled
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);
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void SetJacobianMode(GravityForceJacobianMode jacobian_mode);
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void SetIntegrationRule(const mfem::IntegrationRule &integration_rule);
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[[nodiscard]] GravityForceJacobianMode GetJacobianMode() const;
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void AssembleElementVector(
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const mfem::Array<const mfem::FiniteElement *> &el,
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mfem::ElementTransformation &Tr,
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const mfem::Array<const mfem::Vector *> &elfun,
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const mfem::Array<mfem::Vector *> &elvec
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) override;
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void AssembleElementGrad(
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const mfem::Array<const mfem::FiniteElement *> &el,
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mfem::ElementTransformation &Tr,
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const mfem::Array<const mfem::Vector *> &elfun,
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const mfem::Array2D<mfem::DenseMatrix *> &elmats
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) override;
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private:
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mapping::GridFunctionMappingEvaluator m_mapping;
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GravityForceJacobianMode m_jacobian_mode;
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const mfem::IntegrationRule *m_integration_rule{nullptr};
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};
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} // namespace mean_field::integrators
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