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{
  "sample_id": 203,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA4412",
    "chord": 0.7686295144478278,
    "thickness_scale": 0.892086721931294
  },
  "rq_target": 0.003827960375472025,
  "rq_actual": 0.003827960375472025,
  "ra_actual": 0.0031138620936678766,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "catastrophic_leading_edge",
  "method": "hybrid",
  "grid_resolution": [
    222,
    176
  ],
  "physical_dimensions": [
    0.16527792541930011,
    0.03558236220980819
  ],
  "curvature_statistics": {
    "mean_slope": 0.0006307884931476207,
    "max_slope": 0.011072521603185195,
    "height_range": 0.11230343136950524,
    "mean_height": 0.020404024080723553,
    "std_height": 0.024801777836532216
  },
  "generation_timestamp": "2025-11-08T02:48:18.689765",
  "correlation_length_x": 0.03956287839283727,
  "correlation_length_y": 0.00449166974656305,
  "orientation": 30.0,
  "anisotropy_ratio": 8.808055940245856,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7222880797780539,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.48127902890850155,
    "fractal_modes": 97
  }
}