{
  "generated_at": "2026-07-03T23:04:46+00:00",
  "model": "studio",
  "site": "severe",
  "method": "CalculiX S3 shell *BUCKLE on corner-network mid-surface",
  "mesh": {
    "nodes": 24353,
    "elements": 48128,
    "description": "faceted, target 100 mm",
    "target_size_mm": 100.0,
    "clamped_nodes": 1015
  },
  "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": [
        2.709888,
        3.809001,
        4.761902,
        5.273143,
        5.637203,
        5.678227
      ],
      "mode1_blf": 2.709888,
      "required_fos": 3.0,
      "passes": false
    },
    {
      "case": "wind_uplift_main",
      "ok": true,
      "reference_pressure_Pa_outward": 3328.7612835234977,
      "buckling_factors": [
        19.74793,
        20.1308,
        27.77156,
        32.62802,
        39.45554,
        53.5584
      ],
      "mode1_blf": 19.74793,
      "required_fos": 3.0,
      "passes": true
    }
  ]
}