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{
  "sample_id": 29,
  "geometry_type": "complex_airfoil",
  "geometry_parameters": {
    "type": "complex_airfoil",
    "profile": "NACA4412",
    "chord": 0.6110081198870108,
    "thickness_scale": 0.8894565044566314
  },
  "rq_target": 0.0016944822248543426,
  "rq_actual": 0.0016944822248543424,
  "ra_actual": 0.0013865055100218372,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
    389,
    168
  ],
  "physical_dimensions": [
    0.1853451034342972,
    0.11148065043578119
  ],
  "curvature_statistics": {
    "mean_slope": 0.0005220879237181381,
    "max_slope": 0.008183355058723089,
    "height_range": 0.10980028069571052,
    "mean_height": 0.016251551703585516,
    "std_height": 0.024112743847588842
  },
  "generation_timestamp": "2025-11-08T02:26:33.440430",
  "correlation_length": 0.04654313395630047,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.735889016264602,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.44807174100639136,
    "fractal_modes": 72
  }
}