260 lines
12 KiB
C++
260 lines
12 KiB
C++
module;
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#include <compare>
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#include <concepts>
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#include <cstdint>
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#include <type_traits>
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#include <utility>
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#include <mfem.hpp>
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export module mean_field:operators.prepared_stellar_equilibrium;
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export import :eos.polytrope;
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export import :fem;
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export import :field.mfem;
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export import :mapping.domain_mapper;
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export import :model.stellar;
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export import :model.typed_stellar;
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export import :operators.context.gravity_field;
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export import :operators.gravity_field;
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export import :operators.gravity_field_jacobian;
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export import :operators.prepared_barotropic_closure;
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export import :operators.prepared_displacement_residual;
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export import :operators.prepared_hydrostatic_equilibrium;
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export import :operators.prepared_mass_normalization;
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export import :operators.prepared_surface_constraint;
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export import :operators.root_manifest;
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export import :physics.rigid_rotation;
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export import :utils.blocks;
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export namespace mean_field::operators {
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struct StellarEquilibriumDependencyStamp final {
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std::uint64_t identity{0};
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std::uint64_t revision{0};
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constexpr auto operator<=>(const StellarEquilibriumDependencyStamp &) const = default;
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};
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struct StellarEquilibriumDependencies final {
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StellarEquilibriumDependencyStamp discretization;
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StellarEquilibriumDependencyStamp density;
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StellarEquilibriumDependencyStamp surfaceDeformation;
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StellarEquilibriumDependencyStamp gravityGradient;
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StellarEquilibriumDependencyStamp gravityPotential;
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StellarEquilibriumDependencyStamp enthalpy;
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StellarEquilibriumDependencyStamp bernoulliConstant;
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StellarEquilibriumDependencyStamp rotation;
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StellarEquilibriumDependencyStamp targetMass;
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constexpr auto operator<=>(const StellarEquilibriumDependencies &) const = default;
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};
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struct PreparedStellarEquilibriumReport final {
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context::gravity_field::GravityFieldPreparationReport gravity;
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PreparedBarotropicClosureReport barotropicClosure;
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PreparedHydrostaticEquilibriumReport hydrostatic;
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PreparedDisplacementResidualReport displacement;
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PreparedMassNormalizationReport massNormalization;
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PreparedSurfaceConstraintReport surfaceConstraint;
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deformation::DomainDeformationGeometryReport generatedGeometry;
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StellarEquilibriumDependencyStamp generatedDisplacement;
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bool generatedVolumeDisplacement{false};
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bool assembledResidual{false};
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[[nodiscard]] bool DidAnyChildWork() const noexcept {
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return gravity.DidAnyWork() || barotropicClosure.DidAnyWork() || hydrostatic.DidAnyWork() ||
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displacement.DidAnyWork() || massNormalization.DidAnyWork() || surfaceConstraint.DidAnyWork();
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}
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[[nodiscard]] bool DidAnyWork() const noexcept {
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return DidAnyChildWork() || generatedVolumeDisplacement || assembledResidual;
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}
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};
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struct PreparedStellarEquilibriumStatistics final {
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std::uint64_t residualAssemblies{0};
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std::uint64_t residualApplications{0};
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std::uint64_t jacobianApplications{0};
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std::uint64_t generatedGeometryBuilds{0};
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constexpr auto operator<=>(const PreparedStellarEquilibriumStatistics &) const = default;
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};
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using StellarEquilibriumLayout =
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utils::blocks::form_layout<utils::blocks::surface_deformed_stellar_equilibrium_form>;
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using StellarEquilibriumSpecificationModel =
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model::StellarModel<models::SpecificationSet<eos::Polytrope, models::FixedTotalMass, surface::Isobaric>>;
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using StellarEquilibriumSystemManifest = EquilibriumSystemManifest<
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StellarEquilibriumSpecificationModel,
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utils::blocks::surface_deformed_stellar_equilibrium_form,
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utils::blocks::surface_deformed_stellar_equilibrium_jacobian_form>;
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using StellarEquilibriumRootManifest = StellarEquilibriumSystemManifest;
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class PreparedStellarEquilibriumOperator final : public mfem::Operator {
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public:
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/*
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* Privileged aggregate runtimes can inspect this complete numerical
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* core. Keep their allow-list on the concrete core itself: a custom
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* EOS may reuse this class, but it cannot extend the class's backend
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* privileges. Ordinary specifications use restricted nested physics
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* and never interact with this list.
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*/
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using BackendSpecifications = models::ModelTypeList<
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eos::Polytrope,
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surface::Isobaric,
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models::FixedTotalMass,
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models::FixedAngularMomentum,
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models::FixedCentralDensity>;
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template <models::StellarModelType Model>
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requires std::same_as<
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typename std::remove_cvref_t<Model>::EquationOfStateType,
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eos::Polytrope> &&
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SingleFieldPressureSurfaceConstraintFor<
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typename std::remove_cvref_t<Model>::SurfaceConstraintType,
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field::Enthalpy> &&
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std::is_lvalue_reference_v<Model &&>
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PreparedStellarEquilibriumOperator(
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fem::FEM &f,
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const mapping::DomainMapper &domainMapper,
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Model &&stellarModel
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)
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: PreparedStellarEquilibriumOperator(
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f,
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domainMapper,
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stellarModel.equationOfState(),
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models::compileConstraint(models::FixedTotalMass{dimensions::MassValue{stellarModel.targetMass()}}),
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PressureSurfaceConstraintView{stellarModel.compiledSurfaceConstraint()},
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deformation::PreparedDomainDeformationRuntime{stellarModel.compileDomainDeformation(f)}
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) {
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}
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/*
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* Authoritative construction path for a compiled equilibrium system.
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* The caller owns the EOS and compiled surface constraint for this
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* operator's lifetime; the remaining compiled contributions are
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* transferred into the operator.
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*/
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PreparedStellarEquilibriumOperator(
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fem::FEM &f,
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const mapping::DomainMapper &domainMapper,
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const eos::Polytrope &equationOfState,
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models::CompiledFixedMass fixedMassConstraint,
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PressureSurfaceConstraintView surfaceConstraint,
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deformation::PreparedDomainDeformationRuntime domainDeformation
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);
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PreparedStellarEquilibriumOperator(const PreparedStellarEquilibriumOperator &) = delete;
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PreparedStellarEquilibriumOperator &operator=(const PreparedStellarEquilibriumOperator &) = delete;
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PreparedStellarEquilibriumOperator(PreparedStellarEquilibriumOperator &&) = delete;
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PreparedStellarEquilibriumOperator &operator=(PreparedStellarEquilibriumOperator &&) = delete;
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PreparedStellarEquilibriumReport Prepare(
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const mfem::Vector &state,
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const StellarEquilibriumDependencies &dependencies,
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const physics::RigidRotation &rotation
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);
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void BuildResidual(mfem::Vector &residual) const;
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void Mult(
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const mfem::Vector &direction,
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mfem::Vector &action
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) const override;
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[[nodiscard]] bool IsPrepared() const noexcept;
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[[nodiscard]] double GetTargetMass() const noexcept;
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[[nodiscard]] const StellarEquilibriumLayout &GetLayout() const noexcept;
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[[nodiscard]] const StellarEquilibriumRootManifest &GetRootManifest() const noexcept;
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[[nodiscard]] RootStateView<utils::blocks::surface_deformed_stellar_equilibrium_form>
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GetRootStateView(const mfem::Vector &state) const;
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[[nodiscard]] ResidualView<utils::blocks::surface_deformed_stellar_equilibrium_form>
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GetResidualView(mfem::Vector &residual) const;
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[[nodiscard]] RootConstraintReport GetFixedMassReport() const;
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[[nodiscard]] const StellarEquilibriumDependencies &GetDependencies() const;
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[[nodiscard]] const PreparedStellarEquilibriumStatistics &GetStatistics() const noexcept;
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[[nodiscard]] const context::gravity_field::GravityFieldLinearizationContext &
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GetGravityContext() const noexcept;
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[[nodiscard]] const GravityFieldOperator &GetGravityOperator() const noexcept;
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[[nodiscard]] const GravityFieldJacobianOperator &GetGravityJacobianOperator() const noexcept;
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[[nodiscard]] const PreparedBarotropicClosureOperator &GetBarotropicClosureOperator() const noexcept;
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[[nodiscard]] const context::barotropic::BarotropicClosureLinearizationContext &
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GetBarotropicClosureContext() const noexcept;
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[[nodiscard]] const PreparedHydrostaticEquilibriumOperator &GetHydrostaticOperator() const noexcept;
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[[nodiscard]] const PreparedDisplacementResidualOperator &GetDisplacementOperator() const noexcept;
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[[nodiscard]] const PreparedMassNormalizationOperator &GetMassNormalizationOperator() const noexcept;
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[[nodiscard]] double ApplyDensityVolumeIntegralDensityAction(
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const mfem::Vector &densityDirection
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) const;
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[[nodiscard]] double ApplyDensityVolumeIntegralSurfaceShapeAction(
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const mfem::Vector &surfaceShapeDirection
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) const;
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[[nodiscard]] const PreparedPressureSurfaceConstraint &GetSurfaceConstraintOperator() const noexcept;
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[[nodiscard]] const deformation::PreparedDomainDeformationRuntime &GetDomainDeformation() const noexcept;
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[[nodiscard]] const mfem::Vector &GetSurfaceDeformationParameters() const;
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[[nodiscard]] const mfem::Vector &GetGeneratedVolumeDisplacement() const;
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[[nodiscard]] const mfem::Vector &GetFullMechanicalResidual() const;
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[[nodiscard]] const StellarEquilibriumDependencyStamp &GetGeneratedDisplacementDependency() const;
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private:
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struct ConstructionData;
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static ConstructionData MakeConstructionData(
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fem::FEM &f,
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deformation::PreparedDomainDeformationRuntime domainDeformation
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);
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PreparedStellarEquilibriumOperator(
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fem::FEM &f,
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const mapping::DomainMapper &domainMapper,
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const eos::Polytrope &equationOfState,
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models::CompiledFixedMass fixedMassConstraint,
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PressureSurfaceConstraintView surfaceConstraint,
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ConstructionData constructionData
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);
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void AssembleResidual();
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void VerifyPrepared() const;
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StellarEquilibriumRootManifest m_rootManifest;
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mfem::Array<int> m_gravityStateOffsets;
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context::gravity_field::GravityFieldLinearizationContext m_gravityContext;
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GravityFieldJacobianOperator m_gravityJacobianOperator;
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GravityFieldOperator m_gravityOperator;
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PreparedBarotropicClosureOperator m_barotropicClosureOperator;
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PreparedHydrostaticEquilibriumOperator m_hydrostaticOperator;
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PreparedDisplacementResidualOperator m_displacementOperator;
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PreparedMassNormalizationOperator m_massNormalizationOperator;
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PreparedPressureSurfaceConstraint m_surfaceConstraintOperator;
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deformation::PreparedDomainDeformationRuntime m_domainDeformation;
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StellarEquilibriumDependencies m_preparedDependencies;
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StellarEquilibriumDependencyStamp m_generatedDisplacementDependency;
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deformation::DomainDeformationGeometryReport m_generatedGeometryReport;
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mfem::Vector m_surfaceDeformationParameters;
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mfem::Vector m_generatedVolumeDisplacement;
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mfem::Vector m_fullMechanicalResidual;
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mfem::Vector m_cachedResidual;
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models::CompiledFixedMass m_fixedMassConstraint;
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mutable PreparedStellarEquilibriumStatistics m_statistics;
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bool m_isPrepared{false};
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mfem::Vector m_gravityState;
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mutable mfem::Vector m_gravityDirection;
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mutable mfem::Vector m_volumeDisplacementDirection;
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mutable mfem::Vector m_fullMechanicalAction;
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mutable mfem::Vector m_surfaceShapeAction;
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mutable mfem::Vector m_pullbackDerivativeAction;
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mutable mfem::Vector m_densityVolumeIntegralAction;
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};
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} // namespace mean_field::operators
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