feat(result-contract-completion): step 1 — complete-result-contract

include/fesa/results/result_database.hpp

@@ -2,23 +2,62 @@
 
 #include <array>
 #include <string>
+#include <string_view>
 #include <vector>
 
 #include <fesa/core/diagnostic.hpp>
 #include <fesa/core/status.hpp>
+#include <fesa/elements/beam/beam3d2.hpp>
+#include <fesa/model/entity_origin.hpp>
 #include <fesa/model/ids.hpp>
 
 namespace fesa {
 
+enum class FieldCoordinateSystem { global, element_local };
+
 struct NodalFrame final {
+    inline static constexpr FieldCoordinateSystem coordinate_system =
+        FieldCoordinateSystem::global;
+    inline static constexpr std::array<std::string_view, 6>
+        displacement_components{
+            "Ux", "Uy", "Uz", "Rx", "Ry", "Rz"};
+    inline static constexpr std::array<std::string_view, 6>
+        reaction_components{
+            "RFx", "RFy", "RFz", "RMx", "RMy", "RMz"};
+
     std::vector<NodeId> node_ids;
+    std::vector<EntityOrigin> origins;
     std::vector<std::array<double, 6>> displacement;
     std::vector<std::array<double, 6>> reaction;
 };
 
+struct BeamElementFrame final {
+    inline static constexpr FieldCoordinateSystem coordinate_system =
+        FieldCoordinateSystem::element_local;
+    inline static constexpr std::array<std::string_view, 6>
+        section_strain_components{
+            "epsilon", "gamma_y", "gamma_z", "kappa_x", "kappa_y",
+            "kappa_z"};
+    inline static constexpr std::array<std::string_view, 6>
+        section_force_components{
+            "N", "Vy", "Vz", "T", "My", "Mz"};
+    inline static constexpr std::string_view axial_stress_component =
+        "sigma_xx";
+
+    ElementId element;
+    EntityOrigin origin;
+    BeamFrame local_frame;
+    std::array<BeamSectionResult, 2> end_results;
+};
+
+struct ElementFrame final {
+    std::vector<BeamElementFrame> beams;
+};
+
 struct ResultFrame final {
     double step_time;
     NodalFrame nodal;
+    ElementFrame element;
     std::vector<Diagnostic> diagnostics;
 };