KOKO\Mimi
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
#ifndef FESA_ANALYSIS_HHT_FIELD_CONVERGENCE_H_
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#define FESA_ANALYSIS_HHT_FIELD_CONVERGENCE_H_
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <optional>
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#include <vector>
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#include "fesa/core/status.h"
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namespace fesa::hht_field_convergence {
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inline constexpr const char* kPolicyId = "abaqus2025-field-on-fesa-v1";
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// Ordered element rows first, then external source entries (including explicit zero).
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// External entries use internal=value, inertia=0. No assembled cancellation here.
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struct FluxOccurrence { double internal = 0.0; double inertia = 0.0; };
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struct History {
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double nonzero_sum = 0.0;
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std::uint64_t nonzero_count = 0;
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double maximum_sum = 0.0;
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std::uint64_t maximum_count = 0;
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};
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struct FieldInput {
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bool active = false; // At least one free full DOF of this field.
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std::vector<FluxOccurrence> flux;
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double residual = 0.0; // max |I+fint-F| on full free endpoint DOFs, fi=1.
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double increment = 0.0; // max |q_trial-q_last_accepted| in fixed full u/phi chart.
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std::optional<double> correction; // max |q_trial-q_previous_selected|, i>=1.
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std::optional<double> previous_residual;
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std::optional<double> older_residual;
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};
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enum class Branch { kNotEvaluated, kLinear, kZeroFlux, kNonquadratic, kNormal };
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struct FieldResult {
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std::optional<double> spatial_flux, maximum_flux, time_average_flux, residual_scale;
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std::optional<double> estimated_correction, residual_threshold, correction_threshold;
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std::optional<bool> residual_pass, correction_pass, field_pass;
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Branch branch = Branch::kNotEvaluated;
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};
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struct Evaluation {
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Status status = Status::Failure(FailureCategory::kSolver, {});
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bool field_pass = false;
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std::array<FieldResult, 2> fields;
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// Pure pending snapshot: procedure owns exactly-once commit after every gate/output.
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std::array<History, 2> pending;
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};
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// Index 0: force/translation; index 1: generalized moment/total rotation phi.
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Evaluation Evaluate(const std::array<FieldInput, 2>& fields,
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const std::array<History, 2>& committed,
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std::size_t iteration, double reference_length);
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} // namespace fesa::hht_field_convergence
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#endif // FESA_ANALYSIS_HHT_FIELD_CONVERGENCE_H_
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