{
  "pitch_mm": 40.0,
  "wire_dia_mm": 2.0,
  "frame_dia_mm": 8.0,
  "solidity": 0.194,
  "F_frontal_30ms_N": 10.8,
  "F_45deg_30ms_N": 8.7,
  "F_edgeon_30ms_N": 5.77,
  "F_frontal_45ms_N": 24.3,
  "solid_reference_30ms_N": {
    "frontal": 59.2,
    "edgeon": 0.6
  },
  "drag_reduction_frontal": 5.5,
  "method": "lattice member-sum (EN 1993-3-1 style), Cd_cyl 1.15; direct CFD under-resolves 3 mm wires (1.1 N) - lower bound only"
}