tboudreaux/MeanField
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(newton): first newton solver implementation

Browse Source
This commit is contained in:
Emily Boudreaux
2026-09-08 06:36:39 -04:00
parent 76818f2f82
commit b3c04d507a
98 changed files with 20397 additions and 11040 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
libmeanfield/interface/operators/contexts/gravity_field_context.cppm
View File

@@ -1,8 +1,10 @@
module;
#include <compare>
#include <cstdint>
#include <expected>
#include <memory>
#include <mfem.hpp>
#include <stdexcept>
export module mean_field:operators.context.gravity_field;
export import :fem;
@@ -58,6 +60,23 @@ export namespace mean_field::operators::context::gravity_field {
}
};
enum class GravityFieldPreparationRejectionReason : std::uint8_t { invalid_mapping, non_finite_arithmetic };
struct GravityFieldPreparationRejection final {
GravityFieldPreparationRejectionReason reason{GravityFieldPreparationRejectionReason::invalid_mapping};
mapping::MappingStatus mappingStatus{mapping::MappingStatus::valid};
};
template <typename Report>
using GravityFieldPreparationResult = std::expected<Report, GravityFieldPreparationRejection>;
[[noreturn]] inline void throwGravityFieldPreparationRejection(const GravityFieldPreparationRejection &rejection) {
if (rejection.reason == GravityFieldPreparationRejectionReason::non_finite_arithmetic) {
throw std::domain_error("Prepared gravity-field data contained non-finite arithmetic.");
}
throw std::domain_error("Prepared gravity-field data could not map the candidate geometry.");
}
class GravityFieldGeometryContext {
public:
GravityFieldGeometryContext(
@@ -76,12 +95,24 @@ export namespace mean_field::operators::context::gravity_field {
DisplacementRevision displacement_revision
);
[[nodiscard]] GravityFieldPreparationResult<GravityFieldGeometryPreparation> TryPrepare(
const mfem::Vector &displacement,
DiscretizationRevision discretization_revision,
DisplacementRevision displacement_revision
);
GravityFieldGeometryPreparation PreparePrimal(
const mfem::Vector &displacement,
DiscretizationRevision discretization_revision,
DisplacementRevision displacement_revision
);
[[nodiscard]] GravityFieldPreparationResult<GravityFieldGeometryPreparation> TryPreparePrimal(
const mfem::Vector &displacement,
DiscretizationRevision discretization_revision,
DisplacementRevision displacement_revision
);
[[nodiscard]] const PreparedMappedHDivMassOperator &GetMassOperator() const;
[[nodiscard]] const PreparedMappedGravitySourceOperator &GetSourceOperator() const;
[[nodiscard]] const mfem::Operator &GetDivergenceOperator() const;
@@ -95,7 +126,7 @@ export namespace mean_field::operators::context::gravity_field {
private:
enum class PreparationMode : std::uint8_t { primal, linearization };
GravityFieldGeometryPreparation PrepareImpl(
[[nodiscard]] GravityFieldPreparationResult<GravityFieldGeometryPreparation> TryPrepareImpl(
const mfem::Vector &displacement,
DiscretizationRevision discretization_revision,
DisplacementRevision displacement_revision,
@@ -147,6 +178,11 @@ export namespace mean_field::operators::context::gravity_field {
const GravityFieldRevisions &revisions
);
[[nodiscard]] GravityFieldPreparationResult<GravityFieldPreparationReport> TryPrepare(
const GravityFieldStateView &state,
const GravityFieldRevisions &revisions
);
[[nodiscard]] const GravityFieldGeometryContext &GetGeometryContext() const;
[[nodiscard]] const mfem::Vector &GetDensityTrue() const;
[[nodiscard]] const mfem::Vector &GetGravityGradientTrue() const;