{
  "generated_at": "2026-07-04T00:16:36+00:00",
  "model": "studio",
  "site": "severe",
  "method": "CalculiX S3 shell *BUCKLE on corner-network mid-surface",
  "mesh": {
    "nodes": 99503,
    "elements": 198656,
    "description": "faceted, target 50 mm, door-frame members at t = 98.0 mm (6144 elements)",
    "target_size_mm": 50.0,
    "clamped_nodes": 4027
  },
  "reference_load": "pressure-only",
  "n_modes_requested": 6,
  "buckling_fos": 3.0,
  "cases": [
    {
      "case": "snow_balanced",
      "ok": true,
      "reference_pressure_Pa_outward": -3351.621,
      "buckling_factors": [
        3.498275,
        4.92119,
        5.180646,
        5.236482,
        5.506812,
        5.544671
      ],
      "mode1_blf": 3.498275,
      "required_fos": 3.0,
      "passes": true
    },
    {
      "case": "wind_uplift_main",
      "ok": true,
      "reference_pressure_Pa_outward": 3328.7612835234977,
      "buckling_factors": [
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        12.31916,
        16.9162,
        18.4971,
        19.89864,
        19.99755
      ],
      "mode1_blf": 11.23232,
      "required_fos": 3.0,
      "passes": true
    }
  ]
}