feat(cpp-object-oriented-modular-refactoring): step 19 - boundary-condition-policy

2026-08-16 11:23:20 +09:00
parent f26e0a61a8
commit 64a43948ef
27 changed files with 919 additions and 365 deletions
@@ -0,0 +1,48 @@
+#ifndef FESA_CONSTRAINTS_PRESCRIBED_DISPLACEMENT_H_
+#define FESA_CONSTRAINTS_PRESCRIBED_DISPLACEMENT_H_
+
+#include <cstddef>
+
+#include "fesa/constraints/boundary_condition.h"
+#include "fesa/core/diagnostic.h"
+#include "fesa/elements/element.h"
+#include "fesa/model/source_target_resolver.h"
+
+namespace fesa {
+
+/// @brief Emits one prescribed nodal displacement component for a target.
+class PrescribedDisplacementBoundaryCondition final : public BoundaryCondition {
+ public:
+  /// @brief Creates one prescribed component in stable source order.
+  PrescribedDisplacementBoundaryCondition(SourceTargetQuery target,
+                                          DofComponent component,
+                                          double prescribed_value,
+                                          std::size_t source_order,
+                                          SourceLocation location = {});
+
+  /// @brief Resolves target-major full-DOF constraint definitions.
+  Result<std::vector<ConstraintDefinition>> ResolveConstraints(
+      const BoundaryConditionContext& context) const override;
+
+  /// @brief Returns the immutable source target query.
+  const SourceTargetQuery& Target() const noexcept;
+
+  /// @brief Returns the prescribed global DOF component.
+  DofComponent Component() const noexcept;
+
+  /// @brief Returns the exact prescribed displacement value.
+  double PrescribedValue() const noexcept;
+
+  /// @brief Returns the stable boundary-definition order.
+  std::size_t SourceOrder() const noexcept;
+
+ private:
+  SourceTargetQuery target_;
+  DofComponent component_;
+  double prescribed_value_;
+  std::size_t source_order_;
+};
+
+}  // namespace fesa
+
+#endif  // FESA_CONSTRAINTS_PRESCRIBED_DISPLACEMENT_H_