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feat(newton): first newton solver implementation

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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
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24
libmeanfield/interface/operators/prepared_hdiv_mass.cppm
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@@ -1,7 +1,9 @@
module;
#include <cstdint>
#include <expected>
#include <memory>
#include <mfem.hpp>
#include <stdexcept>
#include <vector>
export module mean_field:operators.prepared_hdiv_mass;
@@ -10,6 +12,22 @@ export import :field.mfem;
export import :mapping.domain_mapper;
export namespace mean_field::operators {
enum class HDivMassPreparationRejectionReason : std::uint8_t { invalid_mapping, non_finite_arithmetic };
struct HDivMassPreparationRejection final {
HDivMassPreparationRejectionReason reason{HDivMassPreparationRejectionReason::invalid_mapping};
mapping::MappingStatus mappingStatus{mapping::MappingStatus::valid};
};
using HDivMassPreparationResult = std::expected<void, HDivMassPreparationRejection>;
[[noreturn]] inline void throwHDivMassPreparationRejection(const HDivMassPreparationRejection &rejection) {
if (rejection.reason == HDivMassPreparationRejectionReason::non_finite_arithmetic) {
throw std::domain_error("Prepared H(div) mass data contained non-finite arithmetic.");
}
throw std::domain_error("Prepared H(div) mass data could not map the candidate geometry.");
}
class PreparedMappedHDivMassOperator final : public mfem::Operator {
public:
PreparedMappedHDivMassOperator(
@@ -19,6 +37,8 @@ export namespace mean_field::operators {
void Prepare(const mfem::Vector &displacement);
void PreparePrimal(const mfem::Vector &displacement);
[[nodiscard]] HDivMassPreparationResult TryPrepare(const mfem::Vector &displacement);
[[nodiscard]] HDivMassPreparationResult TryPreparePrimal(const mfem::Vector &displacement);
void Mult(
const mfem::Vector &gravity_gradient,
mfem::Vector &action
@@ -54,8 +74,8 @@ export namespace mean_field::operators {
mfem::DenseMatrix frozenMappingData;
};
void PrepareVariationData();
void PrepareImpl(
[[nodiscard]] mapping::MappingStatus PrepareVariationData();
[[nodiscard]] HDivMassPreparationResult TryPrepareImpl(
const mfem::Vector &displacement,
PreparationMode mode
);