{
  "description": "Prepared starting configuration for the soft-mode/rearrangement example; no trajectories, modes or expected results are stored.",
  "positions": [
    [
      0.9594420894540039,
      1.7075745392347532
    ],
    [
      3.1563592364837856,
      4.716578319080777
    ],
    [
      1.1000885451193692,
      2.703494320005221
    ],
    [
      1.8644963520525233,
      2.1008767956874284
    ],
    [
      1.9926080302184839,
      -0.17122991035855062
    ],
    [
      1.6566064128613625,
      0.755733094104246
    ],
    [
      3.245985922362909,
      3.7196222099129383
    ],
    [
      3.703501247098548,
      0.7670190066043053
    ],
    [
      2.6880192968569068,
      1.284204390182997
    ],
    [
      4.5682897637029365,
      3.006128046607365
    ],
    [
      0.7858504091189075,
      -0.7076526502102242
    ],
    [
      4.275096734912925,
      4.300520478576162
    ],
    [
      5.1093094410387625,
      0.6015384781227239
    ],
    [
      4.370112761333726,
      1.701300036099422
    ],
    [
      3.2883889941960636,
      2.522350617649613
    ],
    [
      2.162863799035124,
      3.244962525912648
    ]
  ],
  "radii": [
    0.5,
    0.5,
    0.5,
    0.5,
    0.5,
    0.5,
    0.5,
    0.5,
    0.7,
    0.7,
    0.7,
    0.7,
    0.7,
    0.7,
    0.7,
    0.7
  ],
  "box_size": [
    4.6006842370796015,
    4.6006842370796015
  ],
  "gamma": 0.04600000000000003,
  "material": {
    "young": 1.0,
    "poisson": 0.3,
    "density": 1.0
  },
  "provenance": {
    "generator": "examples/shear_jammed_disks.py preparation, extended to sixteen disks and the parameters below",
    "jax_enable_x64": true,
    "N": 16,
    "random_key": 1,
    "initial_packing_fraction": 0.65,
    "mass_per_disk": 1.0,
    "radii_order": "Eight disks of radius 0.5 followed by eight disks of radius 0.7",
    "bisection_jam": {
      "pe_tol": 1e-08,
      "pe_band_factor": 4.0,
      "packing_fraction_increment": 0.04,
      "packing_fraction_tolerance": 0.0001,
      "n_jamming_steps": 80,
      "minimizer_kwargs": {
        "max_steps": 5000,
        "force_tol": 1e-07,
        "torque_tol": 1e-07
      }
    },
    "packing_fraction_above_jamming": 0.06,
    "finite_system_jamming_fraction": 0.8186718749999999,
    "minimizer": "FIRE",
    "fire_dt": 0.05,
    "preparation_force_tolerance": 1e-09,
    "preparation_max_steps": 12000,
    "aqs_preparation": "Relax the compressed state at gamma=0, then apply 23 affine shear increments of 0.002, minimizing after each increment.",
    "checkpoint_validation": "The example recomputes force balance, the Hessian and every subsequent AQS state; only this initial preparation is cached."
  }
}