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          "max_GP_von_Mises_MPa": 24.678954256689487,
          "max_abs_fiber_sigma11_MPa": 20.843602380172328,
          "volume_mm3": 80852.26006732885
        },
        "14": {
          "material": "steel",
          "name": "上端充装口 · 中空接口套 / 六角扳手位",
          "max_GP_von_Mises_MPa": 8.662495949057826,
          "max_abs_fiber_sigma11_MPa": 6.588713455863745,
          "volume_mm3": 16166.006370053345
        },
        "18": {
          "material": "steel",
          "name": "下端服务口 · 中空接口套 / 六角扳手位",
          "max_GP_von_Mises_MPa": 8.122620694961272,
          "max_abs_fiber_sigma11_MPa": 5.379646160759858,
          "volume_mm3": 14389.972160853926
        }
      },
      "mesh_sha256": "09ec8d0aba2072d29ac2e76fb9b5d6b6a3400287e69b846b6b06fb0156e93e15",
      "contract_sha256": "f531aa86858d16ddd61f4e6c232b55e2ca5b3eb74c5ae79c70ab03bb7548e488",
      "solver_sha256": "f19f891eb9922bcb70e4cfdabf9fb35881a531fe7ca7643ed6652ab5cec5d9ea",
      "total_seconds": 57.17700224500004,
      "limitations": [
        "Linear elastic ideal bonds; no seal compression/contact/friction/damage/yield",
        "Straight-sided geometry, P1 displacement; curved mesh attempt rejected; convergence belongs to C03",
        "von Mises for composites is a diagnostic, not a failure criterion",
        "20 displayed states use exact linear superposition, validated at half and zero load; not 20 nonlinear integrations"
      ],
      "research_only": true
    }
  },
  "production_release": false,
  "local_peak_stress_convergence_certified": false,
  "conclusion": "P2 global response is much less mesh sensitive than P1 for these two meshes. All research meshes remain below the R03 SICN gate at some cells/faces; production datasets remain blocked. Local sharp-corner peaks are not certified.",
  "next_required": "Local collar/short-edge CAD and directional thin-bond meshing repair; retain part identity and repeat unchanged production gates before C04 production",
  "viewer_validation": {
    "checked_at": "2026-10-26T01:31:57.073864+08:00",
    "syntax_checks": [
      "copv-c03-fields.js",
      "copv-c03-bc.js",
      "copv-c03-sync.js",
      "copv-c03-compare.html"
    ],
    "browser_checks": [
      "P1/P2 same mesh displayed with shared colorbar",
      "same camera rotation in both panes, true 3D glyphs",
      "load toggle synchronized and independent of BC",
      "unloading to state 19: zero fields and no load arrows in both panes",
      "field and section selection synchronized",
      "P2 h6/h4 case switch retains field, section and camera",
      "circular/discrete cap values shown for their actual cases",
      "C03 landing page summary and production-hold review visible"
    ],
    "WebGL_errors": 0,
    "references": [
      "assets/copv-c03/01-P1-P2.jpg",
      "assets/copv-c03/02-P1-P2-fiber-section.jpg",
      "assets/copv-c03/03-P2-mesh-section.jpg",
      "assets/copv-c03/04-cap-closure.jpg"
    ]
  }
}
