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{
  "sample_id": 67,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA64-212",
    "chord": 1.508683058237552,
    "thickness_scale": 0.8400873690750708
  },
  "rq_target": 0.0017943505743722235,
  "rq_actual": 0.0017943505743722235,
  "ra_actual": 0.0014973615596550586,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    200,
    121
  ],
  "physical_dimensions": [
    0.1725225043572585,
    0.04004989381315757
  ],
  "curvature_statistics": {
    "mean_slope": 0.0015953122530650194,
    "max_slope": 0.020258905026887868,
    "height_range": 0.20807050723745124,
    "mean_height": 0.06004400595831612,
    "std_height": 0.046776343475481895
  },
  "generation_timestamp": "2025-11-08T02:29:54.305945",
  "correlation_length": 0.0382600892084003,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.6769297081286333,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3473405150079942,
    "fractal_modes": 69
  }
}