refactor: extract core domain dof modules

include/fesa/Core/Domain.hpp

@@ -0,0 +1,81 @@
+#pragma once
+
+#include "fesa/Boundary/Boundary.hpp"
+#include "fesa/Core/Types.hpp"
+#include "fesa/Load/Load.hpp"
+#include "fesa/Property/Property.hpp"
+#include "fesa/Util/String.hpp"
+
+#include <array>
+#include <map>
+#include <string>
+#include <vector>
+
+namespace fesa {
+
+struct Vec3 {
+  Real x = 0.0;
+  Real y = 0.0;
+  Real z = 0.0;
+};
+
+struct Node {
+  GlobalId id = 0;
+  Vec3 coordinates;
+};
+
+enum class ElementType { MITC4 };
+
+inline std::string elementTypeLabel(ElementType type) {
+  switch (type) {
+    case ElementType::MITC4:
+      return "MITC4";
+  }
+  return "UNKNOWN";
+}
+
+struct Element {
+  GlobalId id = 0;
+  ElementType type = ElementType::MITC4;
+  std::array<GlobalId, 4> node_ids{};
+  std::string source_elset;
+};
+
+struct NodeSet {
+  std::string name;
+  std::vector<GlobalId> node_ids;
+};
+
+struct ElementSet {
+  std::string name;
+  std::vector<GlobalId> element_ids;
+};
+
+struct Material {
+  std::string name;
+  Real elastic_modulus = 0.0;
+  Real poisson_ratio = 0.0;
+};
+
+struct StepDefinition {
+  std::string name = "Step-1";
+  std::string analysis_type = "linear_static";
+};
+
+struct Domain {
+  std::map<GlobalId, Node> nodes;
+  std::map<GlobalId, Element> elements;
+  std::map<std::string, NodeSet> node_sets;
+  std::map<std::string, ElementSet> element_sets;
+  std::map<std::string, Material> materials;
+  std::vector<ShellSection> shell_sections;
+  std::vector<BoundaryCondition> boundary_conditions;
+  std::vector<NodalLoad> loads;
+  std::vector<StepDefinition> steps;
+
+  static std::string key(const std::string& label) {
+    return lower(trim(label));
+  }
+};
+
+}  // namespace fesa