{
  "case": "shell / Scordelis-Lo cylindrical roof",
  "citation": "Ko, Y., Lee, P.-S., and Bathe, K.-J. (2017), Performance of the MITC3+ and MITC4+ shell elements in widely-used benchmark problems, Computers & Structures 193, 187-206, doi:10.1016/j.compstruc.2017.08.003",
  "reference_displacement": -0.3024,
  "reference_point": "vertical displacement at the midpoint of the free edge",
  "geometry": {
    "radius": 25.0,
    "full_length": 50.0,
    "half_angle_deg": 40.0,
    "thickness": 0.25
  },
  "runs": [
    {
      "n": 4,
      "elements": 16,
      "dofs": 125,
      "vertical_displacement": -0.2849435298178332,
      "normalized_displacement": 0.9422735774399247,
      "reference_displacement": -0.3024,
      "error_vs_reference_pct": 5.772642256007532,
      "published_mitc4plus_normalized": 1.048,
      "deviation_from_published_mitc4plus_pct": 10.088399099243832,
      "max_displacement": 0.32225413284648946,
      "max_von_mises": 273829.435880016,
      "elapsed_s": 3.6013545239984524,
      "n_cores": 2
    },
    {
      "n": 8,
      "elements": 64,
      "dofs": 405,
      "vertical_displacement": -0.29405650277664386,
      "normalized_displacement": 0.9724090700285842,
      "reference_displacement": -0.3024,
      "error_vs_reference_pct": 2.7590929971415767,
      "published_mitc4plus_normalized": 1.005,
      "deviation_from_published_mitc4plus_pct": 3.2428786041209614,
      "max_displacement": 0.33242078441664097,
      "max_von_mises": 314327.9530165603,
      "elapsed_s": 3.0577567990003445,
      "n_cores": 2
    },
    {
      "n": 16,
      "elements": 256,
      "dofs": 1445,
      "vertical_displacement": -0.29895254587936154,
      "normalized_displacement": 0.9885996887545024,
      "reference_displacement": -0.3024,
      "error_vs_reference_pct": 1.1400311245497563,
      "published_mitc4plus_normalized": 0.9973,
      "deviation_from_published_mitc4plus_pct": 0.87238656828412,
      "max_displacement": 0.3379305753552314,
      "max_von_mises": 337861.37304912624,
      "elapsed_s": 2.7156719689992315,
      "n_cores": 2
    },
    {
      "n": 32,
      "elements": 1024,
      "dofs": 5445,
      "vertical_displacement": -0.30051634251723564,
      "normalized_displacement": 0.9937709739326576,
      "reference_displacement": -0.3024,
      "error_vs_reference_pct": 0.6229026067342436,
      "published_mitc4plus_normalized": 0.9958,
      "deviation_from_published_mitc4plus_pct": 0.20375839198056378,
      "max_displacement": 0.3397000055818479,
      "max_von_mises": 350800.7345304864,
      "elapsed_s": 3.811369999002636,
      "n_cores": 2
    }
  ],
  "finest_error_vs_reference_pct": 0.6229026067342436,
  "finest_deviation_from_published_mitc4plus_pct": 0.20375839198056378,
  "pass": true,
  "pass_criterion": "finest-mesh vertical displacement within 5% of the published -0.3024 reference"
}