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{
  "sample_id": 76,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA64-212",
    "chord": 0.8329936040270665,
    "thickness_scale": 0.9249044301084953
  },
  "rq_target": 0.0027511603031225634,
  "rq_actual": 0.0027511603031225634,
  "ra_actual": 0.0022748470179202135,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    209,
    181
  ],
  "physical_dimensions": [
    0.18174097148939378,
    0.043277366170196924
  ],
  "curvature_statistics": {
    "mean_slope": 0.0011320441933594025,
    "max_slope": 0.020590447383614457,
    "height_range": 0.20157490182072926,
    "mean_height": 0.03315952145444199,
    "std_height": 0.04436935573930589
  },
  "generation_timestamp": "2025-11-08T02:32:42.602042",
  "correlation_length": 0.020691419953122823,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 6,
    "perlin_persistence": 0.7840064851063905,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.44546076735067386,
    "fractal_modes": 83
  }
}