{
  "generated_at": "2026-07-04T00:16:59+00:00",
  "model": "studio",
  "site": "severe",
  "method": "CalculiX S3 shell *BUCKLE on corner-network mid-surface",
  "mesh": {
    "nodes": 25047,
    "elements": 49664,
    "description": "faceted, target 100 mm, door-frame members at t = 98.0 mm (1536 elements)",
    "target_size_mm": 100.0,
    "clamped_nodes": 1103
  },
  "reference_load": "pressure+gravity",
  "n_modes_requested": 6,
  "buckling_fos": 3.0,
  "cases": [
    {
      "case": "snow_balanced",
      "ok": true,
      "reference_pressure_Pa_outward": -3351.621,
      "buckling_factors": [
        3.898518,
        5.174668,
        5.394772,
        5.504816,
        5.715291,
        5.897558
      ],
      "mode1_blf": 3.898518,
      "required_fos": 3.0,
      "passes": true
    },
    {
      "case": "wind_uplift_main",
      "ok": true,
      "reference_pressure_Pa_outward": 3328.7612835234977,
      "buckling_factors": [
        26.65189,
        29.00617,
        31.19652,
        34.17967,
        44.55896,
        57.70879
      ],
      "mode1_blf": 26.65189,
      "required_fos": 3.0,
      "passes": true
    }
  ]
}