feat(elements): implement certified full-integration Hex8 kernel

2026-10-09 01:03:43 +09:00
parent df0388ae2f
commit 9088af7b32
8 changed files with 1337 additions and 2 deletions
@@ -0,0 +1,31 @@
+#ifndef FESA_RESULTS_SOLID_RESULT_RECORDS_H_
+#define FESA_RESULTS_SOLID_RESULT_RECORDS_H_
+
+#include <array>
+#include <vector>
+
+#include "fesa/core/source_identity.h"
+
+namespace fesa {
+
+/// @brief Stores one unaveraged global solid integration-point result.
+/// @note Tensor order is [11,22,33,12,13,23], with tensor shear strain.
+struct SolidIntegrationPointRow {
+  EntityIndex element;
+  int integration_point;
+  std::array<double, 3> natural_coordinates;
+  std::array<double, 3> reference_coordinates;
+  std::array<double, 6> cauchy_stress;
+  // Infinitesimal strain for linear response; reference Green strain for TL.
+  std::array<double, 6> strain;
+};
+
+/// @brief Keeps eight physical solid rows and their reference-volume energy.
+struct SolidElementResultRows {
+  std::vector<SolidIntegrationPointRow> rows;
+  double physical_strain_energy{0.0};
+};
+
+}  // namespace fesa
+
+#endif  // FESA_RESULTS_SOLID_RESULT_RECORDS_H_