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{
  "sample_id": 15,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA64-212",
    "chord": 0.9115446166683803,
    "thickness_scale": 0.7241736799471754
  },
  "rq_target": 0.00397544374108477,
  "rq_actual": 0.00397544374108477,
  "ra_actual": 0.0032125811062100273,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "end_of_life_corrosion",
  "method": "hybrid",
  "grid_resolution": [
    373,
    136
  ],
  "physical_dimensions": [
    0.18775249343458242,
    0.08765633774884782
  ],
  "curvature_statistics": {
    "mean_slope": 0.0009292159064343715,
    "max_slope": 0.012178152208298302,
    "height_range": 0.16469674610545046,
    "mean_height": 0.03636375810867874,
    "std_height": 0.036647979400964634
  },
  "generation_timestamp": "2025-11-08T02:23:27.757546",
  "correlation_length": 0.0660844388506582,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7786361231195872,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3660951507516288,
    "fractal_modes": 69
  }
}