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{
  "sample_id": 47,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA4412",
    "chord": 1.1656582207842758,
    "thickness_scale": 0.8604389493166023
  },
  "rq_target": 0.0010169932491640565,
  "rq_actual": 0.0010169932491640565,
  "ra_actual": 0.0008343913863000103,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "combined_mechanisms",
  "method": "hybrid",
  "grid_resolution": [
    375,
    143
  ],
  "physical_dimensions": [
    0.15018200753124847,
    0.04523230087075823
  ],
  "curvature_statistics": {
    "mean_slope": 0.0006318098860422468,
    "max_slope": 0.008371887490341172,
    "height_range": 0.1174479071352767,
    "mean_height": 0.03100109707583965,
    "std_height": 0.026271683661554735
  },
  "generation_timestamp": "2025-11-08T02:26:35.814162",
  "correlation_length_x": 0.031892053218723064,
  "correlation_length_y": 0.01907555455559134,
  "orientation": 90.0,
  "anisotropy_ratio": 1.6718807899283332,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.7908349707111211,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.41656120171461203,
    "fractal_modes": 91
  }
}