feat(cpp-object-oriented-modular-refactoring): step 12 - material-property-hierarchy

2026-08-16 08:48:18 +09:00
parent ec9c3e250a
commit 64a7071986
14 changed files with 746 additions and 31 deletions
@@ -0,0 +1,89 @@
+#include "fesa/materials/isotropic_linear_elastic_material.h"
+
+#include <cmath>
+#include <string>
+#include <utility>
+
+namespace fesa {
+namespace {
+
+Status InvalidMaterial(const SourceEntityId& source_id,
+                       const SourceLocation& location,
+                       const std::string& message) {
+  return Status::Failure(FailureCategory::kModel,
+                         {{Severity::kError, "invalid-material", location,
+                           "*MATERIAL", source_id.source_label_text, message}});
+}
+
+}  // namespace
+
+Result<IsotropicLinearElasticMaterial> IsotropicLinearElasticMaterial::Create(
+    SourceEntityId source_id, std::string name, double youngs_modulus,
+    double poissons_ratio, SourceLocation location) {
+  if (name.empty() || source_id.source_label_text.empty()) {
+    return Result<IsotropicLinearElasticMaterial>::Failure(InvalidMaterial(
+        source_id, location, "Material source identity must not be empty."));
+  }
+
+  const double denominator = 2.0 * (1.0 + poissons_ratio);
+  const double shear_modulus = youngs_modulus / denominator;
+  if (!std::isfinite(youngs_modulus) || !(youngs_modulus > 0.0) ||
+      !std::isfinite(poissons_ratio) || !std::isfinite(shear_modulus) ||
+      !(shear_modulus > 0.0)) {
+    return Result<IsotropicLinearElasticMaterial>::Failure(InvalidMaterial(
+        source_id, location,
+        "E and the derived G=E/(2*(1+nu)) must be finite and positive."));
+  }
+
+  return Result<IsotropicLinearElasticMaterial>::Success(
+      IsotropicLinearElasticMaterial{std::move(source_id), std::move(name),
+                                     youngs_modulus, poissons_ratio,
+                                     std::move(location)});
+}
+
+IsotropicLinearElasticMaterial::IsotropicLinearElasticMaterial(
+    std::string name_value, double youngs_modulus_value,
+    double poissons_ratio_value, SourceLocation location_value)
+    : name{std::move(name_value)},
+      youngs_modulus{youngs_modulus_value},
+      poisson_ratio{poissons_ratio_value},
+      location{std::move(location_value)},
+      source_id_{"", 0, name} {}
+
+MaterialKind IsotropicLinearElasticMaterial::Kind() const noexcept {
+  return MaterialKind::kIsotropicLinearElastic;
+}
+
+const SourceEntityId& IsotropicLinearElasticMaterial::SourceId()
+    const noexcept {
+  return source_id_;
+}
+
+const SourceLocation& IsotropicLinearElasticMaterial::Location()
+    const noexcept {
+  return location;
+}
+
+const std::string& IsotropicLinearElasticMaterial::Name() const noexcept {
+  return name;
+}
+
+double IsotropicLinearElasticMaterial::YoungsModulus() const noexcept {
+  return youngs_modulus;
+}
+
+double IsotropicLinearElasticMaterial::PoissonsRatio() const noexcept {
+  return poisson_ratio;
+}
+
+IsotropicLinearElasticMaterial::IsotropicLinearElasticMaterial(
+    SourceEntityId source_id, std::string name_value,
+    double youngs_modulus_value, double poissons_ratio_value,
+    SourceLocation location_value)
+    : name{std::move(name_value)},
+      youngs_modulus{youngs_modulus_value},
+      poisson_ratio{poissons_ratio_value},
+      location{std::move(location_value)},
+      source_id_{std::move(source_id)} {}
+
+}  // namespace fesa