{
  "centered_pole_force_N" : 259900,
  "checks" : [
    {
      "eccentricity_x_mm" : 0,
      "error_N" : 1.3969838619232178e-09,
      "expected_x_N" : 0,
      "resultant_x_N" : -1.3969838619232178e-09,
      "resultant_y_N" : 8.8766682893037796e-10
    },
    {
      "eccentricity_x_mm" : 1,
      "error_N" : 7.5669959187507629e-10,
      "expected_x_N" : 255554.09999999998,
      "resultant_x_N" : 255554.10000000073,
      "resultant_y_N" : 6.6575012169778347e-10
    },
    {
      "eccentricity_x_mm" : 2,
      "error_N" : 5.8207660913467407e-10,
      "expected_x_N" : 511108.19999999995,
      "resultant_x_N" : 511108.19999999937,
      "resultant_y_N" : 1.0404619388282299e-09
    },
    {
      "eccentricity_x_mm" : 3,
      "error_N" : 3.4924596548080444e-10,
      "expected_x_N" : 766662.29999999993,
      "resultant_x_N" : 766662.29999999958,
      "resultant_y_N" : 5.6752469390630722e-10
    },
    {
      "eccentricity_x_mm" : 6,
      "error_N" : 2.3283064365386963e-10,
      "expected_x_N" : 1533324.5999999999,
      "resultant_x_N" : 1533324.5999999996,
      "resultant_y_N" : 1.2878444977104664e-09
    }
  ],
  "derived_whole_rotor_lateral_stiffness_N_per_mm" : 255554.09999999998,
  "drive_type" : "gearless mill drive",
  "independent_motor_validation" : false,
  "negative_pole_stiffness_kN_per_m" : [
    -8216.6599999999999,
    -8258.9899999999998,
    -8176.5,
    -8134.0699999999997,
    -8518.4699999999993
  ],
  "pole_count" : 60,
  "pole_force_slope_N_per_mm" : 8518.4699999999993,
  "source" : "Soren Bogh Andersen, DTU, 2012, Tables 3.2 and 6.8",
  "standalone_model_scope" : "Separate educational native input in Andersen2012\/01-andersen-mill-drive.json; approximate geometry and steel, zero-stator-current default. This benchmark remains published-response aggregation, not native FEM output.",
  "standalone_native_motor_geometry_model_provided" : true,
  "type" : "Published pole-response aggregation benchmark; not an independent FEM reconstruction",
  "used_as_conveyor_force_law" : false
}