{
  "substudy_name": "coarse_exploration",
  "description": "Fast coarse exploration with 20 trials across wide parameter space",
  "parent_study": "bracket_displacement_maximizing",
  "created_date": "2025-11-16",

  "optimization": {
    "algorithm": "TPE",
    "direction": "minimize",
    "n_trials": 20,
    "n_startup_trials": 10,
    "design_variables": [
      {
        "parameter": "tip_thickness",
        "min": 15.0,
        "max": 25.0,
        "units": "mm"
      },
      {
        "parameter": "support_angle",
        "min": 20.0,
        "max": 40.0,
        "units": "degrees"
      }
    ]
  },

  "continuation": {
    "enabled": false
  }
}