feat: adopt lumped mass and reduced-coordinate shell HHT

Integrate Hex8 mass verification and fixed-null-basis shell dynamics with numerical and physics handoff evidence. Preserve interrupted reference and full-validation status; full integration validation is deferred until after performance optimization.
2026-10-13 16:57:19 +09:00
parent ede137c6b4
commit eaa5cbeb21
110 changed files with 15274 additions and 971 deletions
@@ -190,6 +190,16 @@ Status DynamicAnalysisState::CommitAcceptedFrame(
    return Failure(FailureCategory::kSolver,
                   "A default dynamic state cannot accept frames.");
  }
+  if ((frame.time_integration_formulation !=
+           DynamicTimeIntegrationFormulation::kFullCoordinateHht &&
+       frame.time_integration_formulation !=
+           DynamicTimeIntegrationFormulation::kReducedCoordinateHht) ||
+      (!accepted_frames_.empty() &&
+       frame.time_integration_formulation !=
+           accepted_frames_.front().time_integration_formulation)) {
+    return Failure(FailureCategory::kSolver,
+                   "Dynamic integration formulation is invalid or changed.");
+  }
  const std::size_t expected_frame = accepted_frames_.size();
  if (expected_frame > (std::numeric_limits<std::uint32_t>::max)() ||
      frame.frame_index != expected_frame ||