KOKO\Mimi
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
#ifndef FESA_ANALYSIS_EIGEN_ANALYSIS_STATE_H_
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#define FESA_ANALYSIS_EIGEN_ANALYSIS_STATE_H_
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#include <cstddef>
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#include <cstdint>
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#include <optional>
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#include <utility>
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#include <vector>
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#include "fesa/math/matrix.h"
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#include "fesa/elements/mitc4_drilling_mode.h"
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#include "fesa/solvers/eigen/eigen_solver.h"
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namespace fesa {
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/// @brief Identifies one requested mode without conflating equal eigenvalues.
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struct EigenMode {
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std::size_t mode_id;
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double eigenvalue;
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std::uint8_t classification;
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std::size_t cluster_id;
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std::optional<double> frequency;
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};
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/// @brief Records the analytic mass split at one source-ordered node.
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struct EigenNodalReductionRecord {
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std::uint8_t free_count;
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std::uint8_t null_count;
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std::uint8_t positive_count;
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bool rcond_available;
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double rcond_inf;
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};
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/// @brief Stores independently evaluated evidence for every computed pair.
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struct EigenpairCheck {
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std::size_t sorted_rank;
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std::size_t solver_column;
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double eigenvalue;
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double modal_mass;
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double rayleigh_quotient;
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double eta_r;
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double eta_w;
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double rho_b;
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double eta_norm;
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double eta_energy;
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bool backend_res_available;
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double backend_res;
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};
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/// @brief Owns a validated modal candidate independently of static state.
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/// @note Vectors are requested-mode by full source DOF; they are not response
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/// displacements. Backend work vectors are released after all-c validation.
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struct EigenAnalysisState {
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explicit EigenAnalysisState(FeastEigenResult backend_result)
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: backend{std::move(backend_result)} {}
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std::optional<Mitc4DrillingMode> drilling_mode;
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std::size_t full_dof_count{0U};
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std::size_t free_dof_count{0U};
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std::size_t mass_null_dimension{0U};
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std::size_t finite_dimension{0U};
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double characteristic_length{0.0};
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double eta_gram{0.0};
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double max_eta_orth{0.0};
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bool null_checks_applicable{false};
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double eta_mz{0.0};
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double eta_kz{0.0};
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double eta_pz{0.0};
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std::vector<std::uint8_t> constraint_mask;
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std::vector<double> prescribed_displacement;
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std::vector<EigenNodalReductionRecord> nodal_reduction;
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std::vector<EigenMode> modes;
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Matrix vectors{0U, 0U};
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std::vector<EigenpairCheck> eigenpair_checks;
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FeastEigenResult backend;
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};
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} // namespace fesa
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#endif // FESA_ANALYSIS_EIGEN_ANALYSIS_STATE_H_
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