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{
  "sample_id": 228,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA64-212",
    "chord": 0.8808819634235803,
    "thickness_scale": 0.7309793290149612
  },
  "rq_target": 0.0008729433354140793,
  "rq_actual": 0.0008729433354140794,
  "ra_actual": 0.0006992645128776949,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    218,
    137
  ],
  "physical_dimensions": [
    0.15087282019973672,
    0.03264117298683972
  ],
  "curvature_statistics": {
    "mean_slope": 0.0011001081121346213,
    "max_slope": 0.016228867701573065,
    "height_range": 0.16502693656883555,
    "mean_height": 0.03507287266054545,
    "std_height": 0.036677898157518
  },
  "generation_timestamp": "2025-11-08T02:51:08.114438",
  "correlation_length_x": 0.023577838760558266,
  "correlation_length_y": 0.007051589575229023,
  "orientation": 19.643653709759693,
  "anisotropy_ratio": 3.343620400623288,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7130014293051102,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3160910351664637,
    "fractal_modes": 76
  }
}