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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
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        "tail_r_mix": 0.9,
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.888,
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        "tail_r_mix": 0.9,
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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        "tip_linear_fraction": 0.112,
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        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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      "params": {
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        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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        "tail_length_mm": 66.0,
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        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
      },
      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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      "cells": 240245,
      "params": {
        "nose_length_mm": 122.0,
        "tail_length_mm": 66.0,
        "r_tip_mm": 1.88,
        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
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      "cells": 239996,
      "params": {
        "nose_length_mm": 122.0,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
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        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "26": {
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      "cells": 240318,
      "params": {
        "nose_length_mm": 122.52,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.116,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "27": {
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      "cells": 240877,
      "params": {
        "nose_length_mm": 123.4,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
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        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "28": {
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      "params": {
        "nose_length_mm": 121.0,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.112,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "29": {
      "version": 29,
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      "params": {
        "nose_length_mm": 122.0,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.124,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "30": {
      "version": 30,
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      "cells": 240247,
      "params": {
        "nose_length_mm": 122.0,
        "tail_length_mm": 66.0,
        "r_tip_mm": 2.0,
        "tip_linear_fraction": 0.10400000000000001,
        "nose_power_inner": 1.18,
        "nose_power_outer": 0.9,
        "tail_r_floor": 0.1,
        "tail_r_mix": 0.9,
        "tail_exp": 1.1
      },
      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "31": {
      "version": 31,
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      "params": {
        "base": "v2",
        "mid_profile": "sin2_barrel",
        "barrel_extra_radius_mm": 4.5,
        "note": "teardrop: widest at payload mid, same cavity as v2"
      },
      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "32": {
      "version": 32,
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      "cl": -8.2e-05,
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      "aref": 0.008888,
      "lref": 0.385,
      "cells": 225559,
      "params": {
        "base": "v31",
        "mid_profile": "semicircle_teardrop_sqrt",
        "barrel_extra_radius_mm": 4.2,
        "note": "smoother axial bulge vs v31 sin\u00b2; finer sampling + 128 revolve"
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "33": {
      "version": 33,
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      "cells": 232360,
      "params": {
        "design": "subsonic_teardrop_rocket",
        "nose": "elliptic_ogive",
        "tail": "elliptic_boattail",
        "nose_length_mm": 118.0,
        "tail_length_mm": 78.0,
        "note": "G1 elliptic nose/tail; constant 49mm OD payload bay; fineness L/D~4.1"
      },
      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "34": {
      "version": 34,
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      "cells": 242412,
      "params": {
        "source": "uploaded_stl",
        "watertight_trimesh": true,
        "surface_check_openfoam": "closed",
        "aref_simulate_sh_yz_m2": 0.04461796,
        "aref_frontal_convex_hull_xy_m2": 0.00823255,
        "aref_frontal_bbox_xy_m2": 0.01075635,
        "aref_frontal_disk_pi_rmax2_m2": 0.00844801,
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        "note": "aref column = simulate.sh Y\u00d7Z; frontal \u2212Z uses X\u2013Y; see payload_fairing_v34_report.html"
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "35": {
      "version": 35,
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      "params": {
        "base": "payload_fairing_205x92mm_v34.stl",
        "morph": "scripts/morph_fairing_from_stl.py",
        "noseAmpMm": -0.6,
        "tailAmpMm": 0.0,
        "noseCenterNorm": 0.93,
        "noseSigmaNorm": 0.06,
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        "maxDeltaMm": 1.0,
        "zBins": 200
      },
      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    },
    "36": {
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      "cells": 256030,
      "params": {
        "nose_length_mm": 145.1948215484619,
        "tail_length_mm": 85.0,
        "r_tip_mm": 4.0,
        "tip_linear_fraction": 0.04,
        "nose_power_inner": 1.45,
        "nose_power_outer": 0.748,
        "tail_r_floor": 0.09733658068853775,
        "tail_r_mix": 0.96,
        "tail_exp": 0.95
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      "note": "batch 500 it @ 42 m/s frontal Aref nproc=0"
    }
  }
}