{
 "elapsed_sec": 767.5,
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   "cand_to_drive_mm": 509.9,
   "load_points_inside": 0,
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   "merged_n": 2,
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     "kind": "특이점 의심",
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   "merge_tol_mm": 29.2,
   "global_cut_N": [
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   "stage": [
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     "h_target_mm": 19.45,
     "h_miss_parts": [],
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       "h_mm": 7.94,
       "h_target_mm": 19.452,
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      {
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       "h_target_mm": 19.452,
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      {
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      {
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       "nodes": 25836
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      {
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       "nodes": 270133
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      {
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       "nodes": 78637
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      {
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     "nodes": 839496,
     "elems": 463624,
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     "elem_mm": 1.225,
     "welds_tied": 227,
     "seeds": 284,
     "disp_mm": 1.9838403896878902,
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     "cand_MPa": 975.55,
     "cand_nodes": 21276,
     "cand_parts_in_mesh": [
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     "parts_meshed": 12,
     "cand_h_mm": [
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     "compliance_Nmm": 597.726,
     "driven": 207,
     "interp_in_tet": 199,
     "interp_clamped": 8,
     "interp_nearest": 0,
     "rf_driven_N": [
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     "rf_by_iface_N": {
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      "6-18": [
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      "6-22": [
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      "6-24": [
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      "7-17": [
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      "17-19": [
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      "17-34": [
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      "17-50": [
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       -222.71
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      "17-52": [
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       87.89,
       63.79
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      "18-23": [
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       -3126.37,
       -571.09
      ],
      "18-50": [
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       -64.98
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      "22-52": [
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       -1170.53,
       308.8
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      "23-24": [
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       -1692.39,
       1505.63
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      "24-52": [
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       2271.01,
       341.79
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      "52-54": [
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       -776.63,
       -160.14
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     },
     "sec": 178.3,
     "solve_sec": 152.61,
     "cut_force_global_N": 16310.63,
     "cut_force_local_N": 7.27,
     "cut_force_err_pct": 100.0,
     "iface_force": [
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       "iface": "6-24",
       "global_N": 4605.5,
       "local_N": 2491.0,
       "err_pct": 139.4
      },
      {
       "iface": "9-37",
       "global_N": 0.2,
       "local_N": 0.0,
       "err_pct": null
      },
      {
       "iface": "17-6",
       "global_N": 1720.9,
       "local_N": 3815.9,
       "err_pct": 213.3
      },
      {
       "iface": "17-7",
       "global_N": 3384.8,
       "local_N": 2949.9,
       "err_pct": 102.3
      },
      {
       "iface": "17-19",
       "global_N": 4469.2,
       "local_N": 2513.1,
       "err_pct": 83.0
      },
      {
       "iface": "17-50",
       "global_N": 221.8,
       "local_N": 3532.7,
       "err_pct": 1635.1
      },
      {
       "iface": "17-52",
       "global_N": 716.8,
       "local_N": 303.9,
       "err_pct": 80.7
      },
      {
       "iface": "18-6",
       "global_N": 1118.1,
       "local_N": 1556.3,
       "err_pct": 190.9
      },
      {
       "iface": "18-50",
       "global_N": 118.8,
       "local_N": 3110.7,
       "err_pct": 2577.7
      },
      {
       "iface": "22-6",
       "global_N": 1225.6,
       "local_N": 1425.3,
       "err_pct": 90.2
      },
      {
       "iface": "22-52",
       "global_N": 680.7,
       "local_N": 1217.7,
       "err_pct": 209.0
      },
      {
       "iface": "23-18",
       "global_N": 4680.2,
       "local_N": 3192.8,
       "err_pct": 54.2
      },
      {
       "iface": "24-23",
       "global_N": 7995.8,
       "local_N": 2271.0,
       "err_pct": 72.1
      },
      {
       "iface": "34-17",
       "global_N": 1070.7,
       "local_N": 858.6,
       "err_pct": 143.9
      },
      {
       "iface": "52-24",
       "global_N": 764.4,
       "local_N": 2376.6,
       "err_pct": 217.4
      },
      {
       "iface": "54-52",
       "global_N": 638.7,
       "local_N": 802.0,
       "err_pct": 214.8
      }
     ],
     "iface_force_err_wpct": 125.91,
     "iface_force_err_max_pct": 2577.7,
     "iface_force_n": 15,
     "iface_force_missing": 1
    }
   ],
   "fix_points_inside": 0,
   "cand_sel_r_mm": 34.3,
   "ladder_stop": "요소를 1.8배 가늘게 하는 것조차 절점 약 1,578,105개로 상한 950,000개를 넘습니다(후보 부재 77,768절점 / 둘레 761,728절점) - 여기서 멈춥니다",
   "verdict": "판정 불가",
   "why": "판정에 쓸 수 있는 단계가 1개뿐입니다 — 요소를 1.8배 가늘게 하는 것조차 절점 약 1,578,105개로 상한 950,000개를 넘습니다(후보 부재 77,768절점 / 둘레 761,728절점) - 여기서 멈춥니다"
  },
  {
   "cand": 2,
   "at": [
    5401.96,
    3819.94,
    363.37
   ],
   "kind": "특이점 의심",
   "parts_n": 12,
   "R_mm": 201.6,
   "drive_pts": 501,
   "cand_to_drive_mm": 222.9,
   "load_points_inside": 0,
   "cut_ifaces": 50,
   "merged_n": 0,
   "merged": [],
   "merge_tol_mm": 29.2,
   "global_cut_N": [
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    -54306.92,
    -132170.94
   ],
   "stage": [
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     "h_target_mm": 19.45,
     "h_miss_parts": [],
     "per_part_h": [
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       "h_mm": 15.06,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 134819
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      {
       "no": 16,
       "h_mm": 13.93,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 34837
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      {
       "no": 28,
       "h_mm": 13.5,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 46944
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      {
       "no": 35,
       "h_mm": 10.33,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 18022
      },
      {
       "no": 48,
       "h_mm": 12.89,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 21002
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      {
       "no": 57,
       "h_mm": 13.9,
       "h_target_mm": 19.452,
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      {
       "no": 61,
       "h_mm": 11.55,
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       "nodes": 3112
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      {
       "no": 62,
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       "nodes": 6210
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      {
       "no": 69,
       "h_mm": 13.88,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 29815
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      {
       "no": 71,
       "h_mm": 13.0,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 50967
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      {
       "no": 90,
       "h_mm": 13.41,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 39446
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      {
       "no": 91,
       "h_mm": 11.7,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 7676
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     ],
     "nodes": 409011,
     "elems": 223786,
     "parts": 12,
     "elem_mm": 13.708,
     "welds_tied": 558,
     "seeds": 588,
     "disp_mm": 3.212021331676986,
     "struct_MPa": 700.2009506183779,
     "cand_MPa": 304.35,
     "cand_nodes": 18558,
     "cand_parts_in_mesh": [
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     "parts_meshed": 12,
     "cand_h_mm": [
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     "compliance_Nmm": 217742.238,
     "driven": 501,
     "interp_in_tet": 429,
     "interp_clamped": 72,
     "interp_nearest": 0,
     "rf_driven_N": [
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      7256.64,
      211731.9
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     "rf_by_iface_N": {
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       -22884.78,
       61518.05,
       154892.4
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      "2-7": [
       18426.68,
       -3209.33,
       37270.85
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      "6-16": [
       -612.82,
       -3286.85,
       2574.7
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      "7-8": [
       -8363.71,
       -1842.56,
       -2565.07
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      "7-15": [
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       -13837.33,
       18051.16
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      "7-17": [
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       -4383.32,
       -17575.88
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      "7-19": [
       -2094.35,
       3754.48,
       -2986.26
      ],
      "7-26": [
       34905.2,
       161669.11,
       417818.58
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      "7-30": [
       3697.41,
       -4221.33,
       11063.13
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      "7-31": [
       -584.69,
       -8827.93,
       -257.42
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      "7-32": [
       -58685.73,
       -110495.57,
       -329402.3
      ],
      "7-33": [
       139528.47,
       -77998.2,
       -307214.18
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      "7-34": [
       -5283.14,
       3066.69,
       14456.33
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      "7-36": [
       -767.16,
       -4073.1,
       -1051.32
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      "15-35": [
       -18919.56,
       3521.94,
       11897.52
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      "25-35": [
       -7154.08,
       -2914.68,
       -2401.62
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      "28-58": [
       3470.97,
       1158.96,
       5603.59
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      "28-59": [
       2326.95,
       974.6,
       932.4
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      "28-60": [
       2846.48,
       -6277.64,
       9787.98
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      "28-63": [
       -609.86,
       -692.94,
       -12714.17
      ],
      "28-64": [
       -2844.04,
       3979.95,
       -9918.87
      ],
      "28-65": [
       -1149.78,
       -2482.77,
       16946.16
      ],
      "28-66": [
       7652.8,
       -4425.65,
       16681.99
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      "28-67": [
       4350.72,
       -2533.61,
       19168.81
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      "28-68": [
       -15228.19,
       2006.23,
       -3554.52
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      "28-70": [
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       9602.2,
       -21544.31
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      "35-36": [
       87.59,
       317.03,
       1836.07
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      "48-58": [
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       -871.42,
       -606.5
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      "48-70": [
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       -34420.92,
       -6006.63
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      "57-87": [
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       -18999.63,
       -2125.83
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      "59-90": [
       1612.59,
       -1524.5,
       11486.3
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      "60-62": [
       1129.32,
       4585.34,
       4073.11
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      "60-69": [
       -3730.72,
       -155.87,
       -8627.46
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      "60-90": [
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       -1976.68,
       15064.97
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      "63-90": [
       -5839.84,
       4948.42,
       14920.28
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      "64-90": [
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       -7929.44,
       15256.56
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      "65-69": [
       -37695.27,
       36431.74,
       124337.02
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      "65-90": [
       -324.25,
       520.55,
       5179.08
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      "66-90": [
       1825.53,
       -442.63,
       853.34
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      "67-90": [
       -2347.03,
       768.47,
       3094.19
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      "68-90": [
       13724.5,
       1122.84,
       6287.46
      ],
      "69-93": [
       -2969.94,
       4039.79,
       -11556.32
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      "70-71": [
       -81.9,
       10120.65,
       -1469.12
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      "71-86": [
       -767.58,
       7602.2,
       -230.18
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      "71-87": [
       -10639.11,
       15508.0,
       1321.75
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      "71-93": [
       1924.18,
       -4516.19,
       2178.41
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      "71-94": [
       968.91,
       -2509.63,
       -3863.55
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      "71-98": [
       -2810.57,
       -4845.88,
       5423.98
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      "71-99": [
       -30.52,
       -3010.67,
       -783.18
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      "71-105": [
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       -574.37,
       785.9
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      "71-129": [
       -853.14,
       3975.43,
       -681.34
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      "90-92": [
       1745.09,
       -655.36,
       9623.93
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     },
     "sec": 76.0,
     "solve_sec": 64.23,
     "cut_force_global_N": 144991.48,
     "cut_force_local_N": 213278.51,
     "cut_force_err_pct": 243.33,
     "iface_force": [
      {
       "iface": "1-7",
       "global_N": 358.9,
       "local_N": 168225.6,
       "err_pct": null
      },
      {
       "iface": "2-7",
       "global_N": 640.1,
       "local_N": 41700.8,
       "err_pct": null
      },
      {
       "iface": "8-7",
       "global_N": 792.8,
       "local_N": 8940.1,
       "err_pct": null
      },
      {
       "iface": "15-7",
       "global_N": 3251.1,
       "local_N": 75811.2,
       "err_pct": 2320.4
      },
      {
       "iface": "16-6",
       "global_N": 1121.9,
       "local_N": 4220.0,
       "err_pct": null
      },
      {
       "iface": "17-7",
       "global_N": 3384.8,
       "local_N": 18359.5,
       "err_pct": 602.8
      },
      {
       "iface": "19-7",
       "global_N": 626.5,
       "local_N": 5234.5,
       "err_pct": null
      },
      {
       "iface": "26-7",
       "global_N": 0.0,
       "local_N": 449363.6,
       "err_pct": null
      },
      {
       "iface": "28-58",
       "global_N": 436.9,
       "local_N": 6692.6,
       "err_pct": null
      },
      {
       "iface": "28-65",
       "global_N": 20233.3,
       "local_N": 17165.6,
       "err_pct": 16.9
      },
      {
       "iface": "30-7",
       "global_N": 171.9,
       "local_N": 12405.0,
       "err_pct": null
      },
      {
       "iface": "31-7",
       "global_N": 171.9,
       "local_N": 8851.0,
       "err_pct": null
      },
      {
       "iface": "32-7",
       "global_N": 27.1,
       "local_N": 352362.3,
       "err_pct": null
      },
      {
       "iface": "33-7",
       "global_N": 27.1,
       "local_N": 346312.7,
       "err_pct": null
      },
      {
       "iface": "34-7",
       "global_N": 1526.5,
       "local_N": 15694.0,
       "err_pct": 934.3
      },
      {
       "iface": "35-15",
       "global_N": 137.3,
       "local_N": 22625.3,
       "err_pct": null
      },
      {
       "iface": "35-25",
       "global_N": 388.9,
       "local_N": 8089.7,
       "err_pct": null
      },
      {
       "iface": "35-36",
       "global_N": 283.4,
       "local_N": 1865.3,
       "err_pct": null
      },
      {
       "iface": "36-7",
       "global_N": 199.4,
       "local_N": 4276.0,
       "err_pct": null
      },
      {
       "iface": "48-70",
       "global_N": 30777.8,
       "local_N": 37016.3,
       "err_pct": 33.4
      },
      {
       "iface": "57-87",
       "global_N": 14063.1,
       "local_N": 20471.9,
       "err_pct": 65.4
      },
      {
       "iface": "59-28",
       "global_N": 5006.5,
       "local_N": 2689.6,
       "err_pct": 144.5
      },
      {
       "iface": "59-90",
       "global_N": 5599.9,
       "local_N": 11698.7,
       "err_pct": 223.7
      },
      {
       "iface": "60-28",
       "global_N": 4535.8,
       "local_N": 11971.5,
       "err_pct": 333.6
      },
      {
       "iface": "60-62",
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       "local_N": 6236.3,
       "err_pct": 502.0
      },
      {
       "iface": "60-90",
       "global_N": 1873.8,
       "local_N": 15206.1,
       "err_pct": 813.9
      },
      {
       "iface": "63-28",
       "global_N": 15987.0,
       "local_N": 12747.6,
       "err_pct": 177.2
      },
      {
       "iface": "63-90",
       "global_N": 14769.5,
       "local_N": 16769.2,
       "err_pct": 210.5
      },
      {
       "iface": "64-28",
       "global_N": 13060.1,
       "local_N": 11059.5,
       "err_pct": 184.6
      },
      {
       "iface": "64-90",
       "global_N": 12996.5,
       "local_N": 17215.1,
       "err_pct": 230.1
      },
      {
       "iface": "65-69",
       "global_N": 131146.7,
       "local_N": 134936.7,
       "err_pct": 202.3
      },
      {
       "iface": "66-28",
       "global_N": 20545.6,
       "local_N": 18879.6,
       "err_pct": 191.9
      },
      {
       "iface": "67-28",
       "global_N": 22314.6,
       "local_N": 19819.0,
       "err_pct": 188.8
      },
      {
       "iface": "68-28",
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       "local_N": 15765.7,
       "err_pct": 219.8
      },
      {
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       "local_N": 9400.8,
       "err_pct": 650.6
      },
      {
       "iface": "70-28",
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       "err_pct": 223.1
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      {
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       "local_N": 10227.1,
       "err_pct": 164.2
      },
      {
       "iface": "71-86",
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      },
      {
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       "err_pct": 9.8
      },
      {
       "iface": "71-94",
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       "local_N": 4707.9,
       "err_pct": 14.7
      },
      {
       "iface": "71-99",
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       "local_N": 3111.0,
       "err_pct": 37.5
      },
      {
       "iface": "71-129",
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       "local_N": 4122.6,
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      },
      {
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      },
      {
       "iface": "90-66",
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       "local_N": 2063.2,
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      },
      {
       "iface": "90-92",
       "global_N": 0.0,
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      },
      {
       "iface": "93-69",
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       "local_N": 12597.2,
       "err_pct": 283.1
      },
      {
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      {
       "iface": "98-71",
       "global_N": 1773.8,
       "local_N": 7797.5,
       "err_pct": 532.8
      },
      {
       "iface": "105-71",
       "global_N": 1879.2,
       "local_N": 1219.4,
       "err_pct": 145.9
      }
     ],
     "iface_force_err_wpct": 188.81,
     "iface_force_err_max_pct": 2320.4,
     "iface_force_n": 33,
     "iface_force_missing": 17
    },
    {
     "n": 2,
     "h_target_mm": 7.11,
     "h_miss_parts": [],
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       "h_mm": 15.06,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 134819
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      {
       "no": 16,
       "h_mm": 13.93,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 34837
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      {
       "no": 28,
       "h_mm": 5.43,
       "h_target_mm": 7.105263157894737,
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       "nodes": 583294
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      {
       "no": 35,
       "h_mm": 10.33,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 18022
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      {
       "no": 48,
       "h_mm": 12.89,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 21002
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      {
       "no": 57,
       "h_mm": 13.9,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 16161
      },
      {
       "no": 61,
       "h_mm": 11.55,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 3112
      },
      {
       "no": 62,
       "h_mm": 11.62,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 6210
      },
      {
       "no": 69,
       "h_mm": 13.88,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 29815
      },
      {
       "no": 71,
       "h_mm": 13.0,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 50967
      },
      {
       "no": 90,
       "h_mm": 13.41,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 39446
      },
      {
       "no": 91,
       "h_mm": 11.7,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 7676
      }
     ],
     "nodes": 945361,
     "elems": 557412,
     "parts": 12,
     "elem_mm": 5.931,
     "welds_tied": 566,
     "seeds": 588,
     "disp_mm": 3.212021331676986,
     "struct_MPa": 1930.739518803329,
     "cand_MPa": 537.13,
     "cand_nodes": 288641,
     "cand_parts_in_mesh": [
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     ],
     "parts_meshed": 12,
     "cand_h_mm": [
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     ],
     "compliance_Nmm": 214655.826,
     "driven": 501,
     "interp_in_tet": 429,
     "interp_clamped": 72,
     "interp_nearest": 0,
     "rf_driven_N": [
      -23875.61,
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      209563.99
     ],
     "rf_by_iface_N": {
      "1-7": [
       -20173.2,
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       155627.51
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      "2-7": [
       15686.56,
       -753.99,
       36547.43
      ],
      "6-16": [
       -609.0,
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       2530.0
      ],
      "7-8": [
       -8364.32,
       -1842.65,
       -2564.84
      ],
      "7-15": [
       -72938.4,
       -13131.83,
       17336.4
      ],
      "7-17": [
       2990.31,
       -4383.28,
       -17575.82
      ],
      "7-19": [
       -2094.45,
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      "7-26": [
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      "7-30": [
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      "7-31": [
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      "7-32": [
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       -110493.42,
       -329393.3
      ],
      "7-33": [
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       -77991.99,
       -307215.06
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      "7-34": [
       -5283.46,
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      ],
      "7-36": [
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      ],
      "15-35": [
       -18994.65,
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      ],
      "25-35": [
       -7471.63,
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      ],
      "28-58": [
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      "28-59": [
       1917.3,
       -118.3,
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      ],
      "28-60": [
       2259.68,
       -3746.49,
       3162.0
      ],
      "28-63": [
       -79.42,
       -980.55,
       -10010.05
      ],
      "28-64": [
       -6063.53,
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       -14015.98
      ],
      "28-65": [
       490.79,
       -1480.41,
       10205.63
      ],
      "28-66": [
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      "28-67": [
       2294.1,
       -1190.52,
       8436.38
      ],
      "28-68": [
       -6367.97,
       2109.27,
       -1263.73
      ],
      "28-70": [
       1984.21,
       5415.19,
       -20190.42
      ],
      "35-36": [
       66.73,
       323.82,
       1854.03
      ],
      "48-58": [
       120.56,
       350.01,
       4.05
      ],
      "48-70": [
       7642.94,
       -28479.81,
       -473.25
      ],
      "57-87": [
       6865.04,
       -16055.57,
       -2315.94
      ],
      "59-90": [
       1929.77,
       -1978.11,
       12500.87
      ],
      "60-62": [
       418.28,
       3098.8,
       2313.66
      ],
      "60-69": [
       -2428.12,
       199.63,
       -3149.64
      ],
      "60-90": [
       -485.52,
       -380.31,
       18947.32
      ],
      "63-90": [
       -5686.84,
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       15029.75
      ],
      "64-90": [
       532.25,
       -7997.81,
       15702.98
      ],
      "65-69": [
       -38038.51,
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      "65-90": [
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      ],
      "66-90": [
       1832.19,
       -383.27,
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      ],
      "67-90": [
       -2347.03,
       768.47,
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      ],
      "68-90": [
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      ],
      "69-93": [
       -2258.87,
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       -5623.18
      ],
      "70-71": [
       -539.55,
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       -1802.41
      ],
      "71-86": [
       -693.63,
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       -440.13
      ],
      "71-87": [
       -10468.44,
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       1149.14
      ],
      "71-93": [
       2941.46,
       -5258.19,
       4223.56
      ],
      "71-94": [
       975.11,
       -2532.13,
       -3860.99
      ],
      "71-98": [
       -1661.52,
       -5227.5,
       5461.35
      ],
      "71-99": [
       -6.78,
       -3039.82,
       -782.47
      ],
      "71-105": [
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       -616.53,
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      ],
      "71-129": [
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      "90-92": [
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     },
     "sec": 250.3,
     "solve_sec": 225.39,
     "cut_force_global_N": 144991.48,
     "cut_force_local_N": 211124.61,
     "cut_force_err_pct": 242.06,
     "iface_force": [
      {
       "iface": "1-7",
       "global_N": 358.9,
       "local_N": 167676.8,
       "err_pct": null
      },
      {
       "iface": "2-7",
       "global_N": 640.1,
       "local_N": 39778.8,
       "err_pct": null
      },
      {
       "iface": "8-7",
       "global_N": 792.8,
       "local_N": 8940.7,
       "err_pct": null
      },
      {
       "iface": "15-7",
       "global_N": 3251.1,
       "local_N": 76111.8,
       "err_pct": 2330.7
      },
      {
       "iface": "16-6",
       "global_N": 1121.9,
       "local_N": 3671.9,
       "err_pct": null
      },
      {
       "iface": "17-7",
       "global_N": 3384.8,
       "local_N": 18359.3,
       "err_pct": 602.8
      },
      {
       "iface": "19-7",
       "global_N": 626.5,
       "local_N": 5234.5,
       "err_pct": null
      },
      {
       "iface": "26-7",
       "global_N": 0.0,
       "local_N": 449379.2,
       "err_pct": null
      },
      {
       "iface": "28-58",
       "global_N": 436.9,
       "local_N": 2897.3,
       "err_pct": null
      },
      {
       "iface": "28-65",
       "global_N": 20233.3,
       "local_N": 10324.1,
       "err_pct": 49.8
      },
      {
       "iface": "30-7",
       "global_N": 171.9,
       "local_N": 12404.9,
       "err_pct": null
      },
      {
       "iface": "31-7",
       "global_N": 171.9,
       "local_N": 8851.1,
       "err_pct": null
      },
      {
       "iface": "32-7",
       "global_N": 27.1,
       "local_N": 352354.7,
       "err_pct": null
      },
      {
       "iface": "33-7",
       "global_N": 27.1,
       "local_N": 346311.3,
       "err_pct": null
      },
      {
       "iface": "34-7",
       "global_N": 1526.5,
       "local_N": 15694.2,
       "err_pct": 934.3
      },
      {
       "iface": "35-15",
       "global_N": 137.3,
       "local_N": 22769.6,
       "err_pct": null
      },
      {
       "iface": "35-25",
       "global_N": 388.9,
       "local_N": 8473.0,
       "err_pct": null
      },
      {
       "iface": "35-36",
       "global_N": 283.4,
       "local_N": 1883.3,
       "err_pct": null
      },
      {
       "iface": "36-7",
       "global_N": 199.4,
       "local_N": 3810.7,
       "err_pct": null
      },
      {
       "iface": "48-70",
       "global_N": 30777.8,
       "local_N": 29491.3,
       "err_pct": 12.5
      },
      {
       "iface": "57-87",
       "global_N": 14063.1,
       "local_N": 17614.6,
       "err_pct": 46.4
      },
      {
       "iface": "59-28",
       "global_N": 5006.5,
       "local_N": 1967.6,
       "err_pct": 138.1
      },
      {
       "iface": "59-90",
       "global_N": 5599.9,
       "local_N": 12802.7,
       "err_pct": 240.6
      },
      {
       "iface": "60-28",
       "global_N": 4535.8,
       "local_N": 5398.2,
       "err_pct": 208.3
      },
      {
       "iface": "60-62",
       "global_N": 1465.5,
       "local_N": 3889.8,
       "err_pct": 349.6
      },
      {
       "iface": "60-90",
       "global_N": 1873.8,
       "local_N": 18957.4,
       "err_pct": 1019.7
      },
      {
       "iface": "63-28",
       "global_N": 15987.0,
       "local_N": 10058.3,
       "err_pct": 161.4
      },
      {
       "iface": "63-90",
       "global_N": 14769.5,
       "local_N": 16828.5,
       "err_pct": 211.0
      },
      {
       "iface": "64-28",
       "global_N": 13060.1,
       "local_N": 15885.7,
       "err_pct": 221.3
      },
      {
       "iface": "64-90",
       "global_N": 12996.5,
       "local_N": 17630.4,
       "err_pct": 233.1
      },
      {
       "iface": "65-69",
       "global_N": 131146.7,
       "local_N": 139021.1,
       "err_pct": 205.6
      },
      {
       "iface": "66-28",
       "global_N": 20545.6,
       "local_N": 11869.0,
       "err_pct": 157.7
      },
      {
       "iface": "67-28",
       "global_N": 22314.6,
       "local_N": 8823.4,
       "err_pct": 139.5
      },
      {
       "iface": "68-28",
       "global_N": 12942.7,
       "local_N": 6826.2,
       "err_pct": 151.6
      },
      {
       "iface": "68-90",
       "global_N": 12889.1,
       "local_N": 15335.7,
       "err_pct": 212.2
      },
      {
       "iface": "69-60",
       "global_N": 1444.0,
       "local_N": 3981.9,
       "err_pct": 283.9
      },
      {
       "iface": "70-28",
       "global_N": 18977.3,
       "local_N": 20998.0,
       "err_pct": 208.7
      },
      {
       "iface": "70-71",
       "global_N": 15929.4,
       "local_N": 10558.7,
       "err_pct": 166.2
      },
      {
       "iface": "71-86",
       "global_N": 6215.0,
       "local_N": 7370.9,
       "err_pct": 27.9
      },
      {
       "iface": "71-87",
       "global_N": 18831.5,
       "local_N": 18372.1,
       "err_pct": 9.7
      },
      {
       "iface": "71-94",
       "global_N": 4787.9,
       "local_N": 4719.1,
       "err_pct": 15.1
      },
      {
       "iface": "71-99",
       "global_N": 4332.8,
       "local_N": 3138.9,
       "err_pct": 36.9
      },
      {
       "iface": "71-129",
       "global_N": 4295.0,
       "local_N": 4107.1,
       "err_pct": 11.1
      },
      {
       "iface": "90-65",
       "global_N": 1306.3,
       "local_N": 5336.5,
       "err_pct": null
      },
      {
       "iface": "90-66",
       "global_N": 6162.6,
       "local_N": 2131.3,
       "err_pct": 118.8
      },
      {
       "iface": "90-92",
       "global_N": 0.0,
       "local_N": 11112.9,
       "err_pct": null
      },
      {
       "iface": "93-69",
       "global_N": 6374.1,
       "local_N": 6458.8,
       "err_pct": 191.7
      },
      {
       "iface": "93-71",
       "global_N": 4749.8,
       "local_N": 7357.9,
       "err_pct": 254.5
      },
      {
       "iface": "98-71",
       "global_N": 1773.8,
       "local_N": 7740.4,
       "err_pct": 532.7
      },
      {
       "iface": "105-71",
       "global_N": 1879.2,
       "local_N": 1258.6,
       "err_pct": 148.3
      }
     ],
     "iface_force_err_wpct": 180.5,
     "iface_force_err_max_pct": 2330.7,
     "iface_force_n": 33,
     "iface_force_missing": 17
    }
   ],
   "fix_points_inside": 6,
   "cand_sel_r_mm": 295.6,
   "ladder_stop": "요소를 1.8배 가늘게 하는 것조차 절점 약 6,485,254개로 상한 950,000개를 넘습니다(후보 부재 583,294절점 / 둘레 362,067절점) - 여기서 멈춥니다",
   "h_ratio": 2.49,
   "h_pair_mm": [
    13.5,
    5.43
   ],
   "stages_done": 2,
   "conv": {
    "disp_pct_ref_only": 0.0,
    "disp_note": "경계 강제값 — 판정에 쓰지 않음",
    "cand_MPa_pct": 76.48,
    "compliance_pct": 1.42,
    "worst_pct": 76.48
   },
   "verdict": "특이점 확정",
   "why": "요소를 13.5mm → 5.4mm (2.49배) 로 줄였는데 이 자리 응력이 76.5% 더 커졌습니다 - 값이 발산하는 특이점입니다(실제 위험이 아님)"
  },
  {
   "cand": 3,
   "at": [
    5509.17,
    3817.81,
    23.48
   ],
   "kind": "특이점 의심",
   "parts_n": 12,
   "R_mm": 148.7,
   "drive_pts": 337,
   "cand_to_drive_mm": 164.7,
   "load_points_inside": 0,
   "cut_ifaces": 27,
   "merged_n": 0,
   "merged": [],
   "merge_tol_mm": 29.2,
   "global_cut_N": [
    -28172.0,
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   "stage": [
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     "n": 1,
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       "no": 60,
       "h_mm": 11.6,
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      {
       "no": 62,
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       "no": 65,
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      {
       "no": 66,
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      {
       "no": 67,
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      {
       "no": 69,
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      {
       "no": 71,
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      {
       "no": 90,
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       "no": 91,
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       "no": 93,
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     "elem_mm": 13.056,
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     "cand_MPa": 110.33,
     "cand_nodes": 580,
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     "parts_meshed": 12,
     "cand_h_mm": [
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     "compliance_Nmm": 47263.564,
     "driven": 337,
     "interp_in_tet": 329,
     "interp_clamped": 8,
     "interp_nearest": 0,
     "rf_driven_N": [
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     "rf_by_iface_N": {
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      "28-58": [
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      "28-59": [
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      "28-63": [
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      "28-64": [
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      "59-90": [
       -720.28,
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       306.55,
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      "61-90": [
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      "61-91": [
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      "63-90": [
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      "64-90": [
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      "68-90": [
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      "70-71": [
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      "71-86": [
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       -225.5
      ],
      "71-87": [
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      "71-94": [
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      "71-99": [
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      ],
      "71-105": [
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      "71-129": [
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      ],
      "90-92": [
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     },
     "sec": 33.7,
     "solve_sec": 26.83,
     "cut_force_global_N": 57094.79,
     "cut_force_local_N": 16663.55,
     "cut_force_err_pct": 126.76,
     "iface_force": [
      {
       "iface": "28-7",
       "global_N": 2144.6,
       "local_N": 3431.8,
       "err_pct": 84.5
      },
      {
       "iface": "28-16",
       "global_N": 6474.6,
       "local_N": 2417.0,
       "err_pct": 93.4
      },
      {
       "iface": "28-58",
       "global_N": 436.9,
       "local_N": 5334.6,
       "err_pct": 1290.1
      },
      {
       "iface": "28-61",
       "global_N": 32423.2,
       "local_N": 35346.9,
       "err_pct": 27.9
      },
      {
       "iface": "48-28",
       "global_N": 31863.4,
       "local_N": 36924.2,
       "err_pct": 212.5
      },
      {
       "iface": "48-62",
       "global_N": 8516.0,
       "local_N": 3298.4,
       "err_pct": 63.3
      },
      {
       "iface": "57-28",
       "global_N": 6181.2,
       "local_N": 8904.6,
       "err_pct": 236.4
      },
      {
       "iface": "59-28",
       "global_N": 5006.5,
       "local_N": 7346.6,
       "err_pct": 230.2
      },
      {
       "iface": "59-90",
       "global_N": 5599.9,
       "local_N": 9023.1,
       "err_pct": 194.7
      },
      {
       "iface": "61-91",
       "global_N": 24548.9,
       "local_N": 25610.0,
       "err_pct": 203.7
      },
      {
       "iface": "63-28",
       "global_N": 15987.0,
       "local_N": 14232.3,
       "err_pct": 188.0
      },
      {
       "iface": "63-90",
       "global_N": 14769.5,
       "local_N": 16879.5,
       "err_pct": 211.2
      },
      {
       "iface": "64-28",
       "global_N": 13060.1,
       "local_N": 9846.3,
       "err_pct": 173.5
      },
      {
       "iface": "64-90",
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       "local_N": 15734.5,
       "err_pct": 219.3
      },
      {
       "iface": "68-28",
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       "local_N": 14849.9,
       "err_pct": 213.9
      },
      {
       "iface": "68-90",
       "global_N": 12889.1,
       "local_N": 14194.7,
       "err_pct": 205.7
      },
      {
       "iface": "70-28",
       "global_N": 18977.3,
       "local_N": 29222.8,
       "err_pct": 249.4
      },
      {
       "iface": "70-71",
       "global_N": 15929.4,
       "local_N": 10984.2,
       "err_pct": 168.8
      },
      {
       "iface": "71-16",
       "global_N": 7832.3,
       "local_N": 6632.3,
       "err_pct": 60.7
      },
      {
       "iface": "71-86",
       "global_N": 6215.0,
       "local_N": 6918.0,
       "err_pct": 22.8
      },
      {
       "iface": "71-87",
       "global_N": 18831.5,
       "local_N": 20120.2,
       "err_pct": 15.9
      },
      {
       "iface": "71-94",
       "global_N": 4787.9,
       "local_N": 4545.6,
       "err_pct": 15.5
      },
      {
       "iface": "71-99",
       "global_N": 4332.8,
       "local_N": 3359.8,
       "err_pct": 32.9
      },
      {
       "iface": "71-129",
       "global_N": 4295.0,
       "local_N": 4166.3,
       "err_pct": 17.7
      },
      {
       "iface": "90-61",
       "global_N": 9864.9,
       "local_N": 27628.1,
       "err_pct": 223.0
      },
      {
       "iface": "90-92",
       "global_N": 0.0,
       "local_N": 11454.6,
       "err_pct": null
      },
      {
       "iface": "105-71",
       "global_N": 1879.2,
       "local_N": 1127.8,
       "err_pct": 148.7
      }
     ],
     "iface_force_err_wpct": 154.09,
     "iface_force_err_max_pct": 1290.1,
     "iface_force_n": 26,
     "iface_force_missing": 1
    },
    {
     "n": 2,
     "h_target_mm": 6.75,
     "h_miss_parts": [],
     "per_part_h": [
      {
       "no": 28,
       "h_mm": 5.18,
       "h_target_mm": 6.75,
       "h_hit": true,
       "nodes": 665758
      },
      {
       "no": 60,
       "h_mm": 11.6,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 2958
      },
      {
       "no": 62,
       "h_mm": 11.62,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 6210
      },
      {
       "no": 65,
       "h_mm": 11.38,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 769
      },
      {
       "no": 66,
       "h_mm": 11.36,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 777
      },
      {
       "no": 67,
       "h_mm": 10.92,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 596
      },
      {
       "no": 69,
       "h_mm": 13.88,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 29815
      },
      {
       "no": 71,
       "h_mm": 13.0,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 50967
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      {
       "no": 90,
       "h_mm": 13.41,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 39446
      },
      {
       "no": 91,
       "h_mm": 11.7,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 7676
      },
      {
       "no": 93,
       "h_mm": 8.09,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 5654
      },
      {
       "no": 98,
       "h_mm": 12.85,
       "h_target_mm": 19.452,
       "h_hit": true,
       "nodes": 997
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     ],
     "nodes": 811623,
     "elems": 484312,
     "parts": 12,
     "elem_mm": 5.264,
     "welds_tied": 404,
     "seeds": 425,
     "disp_mm": 3.212021331676986,
     "struct_MPa": 1550.9573729493663,
     "cand_MPa": 671.2,
     "cand_nodes": 15969,
     "cand_parts_in_mesh": [
      28
     ],
     "parts_meshed": 12,
     "cand_h_mm": [
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     ],
     "compliance_Nmm": 43502.339,
     "driven": 337,
     "interp_in_tet": 329,
     "interp_clamped": 8,
     "interp_nearest": 0,
     "rf_driven_N": [
      3196.78,
      -17896.29,
      30453.42
     ],
     "rf_by_iface_N": {
      "7-28": [
       705.6,
       685.89,
       -8955.48
      ],
      "16-28": [
       1657.48,
       229.29,
       -2657.0
      ],
      "16-71": [
       4172.7,
       -4919.74,
       -172.16
      ],
      "28-48": [
       5137.98,
       -21946.66,
       -5952.27
      ],
      "28-57": [
       1878.1,
       -2421.7,
       -4926.46
      ],
      "28-58": [
       -2389.68,
       -2759.14,
       -1559.7
      ],
      "28-59": [
       4017.35,
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       -2952.17
      ],
      "28-61": [
       1054.1,
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       -16749.07
      ],
      "28-63": [
       3685.0,
       -2107.91,
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      "28-64": [
       -2101.33,
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       -9605.72
      ],
      "28-68": [
       -6329.25,
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       -2026.77
      ],
      "28-70": [
       433.66,
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      "48-62": [
       390.24,
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       -203.0
      ],
      "59-90": [
       -635.15,
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       8317.8
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      "61-69": [
       327.77,
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       17874.08
      ],
      "61-90": [
       -5089.24,
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       25316.18
      ],
      "61-91": [
       -902.13,
       -10411.51,
       23587.39
      ],
      "63-90": [
       -6396.42,
       4709.65,
       14871.09
      ],
      "64-90": [
       2173.27,
       -7561.21,
       13660.38
      ],
      "68-90": [
       13120.67,
       886.45,
       5257.88
      ],
      "70-71": [
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       -3005.08
      ],
      "71-86": [
       -764.55,
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       -229.92
      ],
      "71-87": [
       -10474.92,
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      ],
      "71-94": [
       106.3,
       -2414.89,
       -3848.93
      ],
      "71-99": [
       -144.72,
       -3267.2,
       -763.08
      ],
      "71-105": [
       480.64,
       -714.79,
       716.94
      ],
      "71-129": [
       -1277.98,
       3914.02,
       -641.63
      ],
      "90-92": [
       1025.28,
       -3240.77,
       12021.03
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     },
     "sec": 228.9,
     "solve_sec": 206.63,
     "cut_force_global_N": 57094.79,
     "cut_force_local_N": 35466.99,
     "cut_force_err_pct": 155.6,
     "iface_force": [
      {
       "iface": "28-7",
       "global_N": 2144.6,
       "local_N": 9009.4,
       "err_pct": 322.9
      },
      {
       "iface": "28-16",
       "global_N": 6474.6,
       "local_N": 3140.0,
       "err_pct": 146.6
      },
      {
       "iface": "28-58",
       "global_N": 436.9,
       "local_N": 3969.4,
       "err_pct": 1000.2
      },
      {
       "iface": "28-61",
       "global_N": 32423.2,
       "local_N": 22347.0,
       "err_pct": 35.4
      },
      {
       "iface": "48-28",
       "global_N": 31863.4,
       "local_N": 23312.7,
       "err_pct": 171.3
      },
      {
       "iface": "48-62",
       "global_N": 8516.0,
       "local_N": 670.7,
       "err_pct": 104.4
      },
      {
       "iface": "57-28",
       "global_N": 6181.2,
       "local_N": 5801.9,
       "err_pct": 185.6
      },
      {
       "iface": "59-28",
       "global_N": 5006.5,
       "local_N": 5002.9,
       "err_pct": 187.5
      },
      {
       "iface": "59-90",
       "global_N": 5599.9,
       "local_N": 8761.9,
       "err_pct": 191.5
      },
      {
       "iface": "61-91",
       "global_N": 24548.9,
       "local_N": 25798.8,
       "err_pct": 204.5
      },
      {
       "iface": "63-28",
       "global_N": 15987.0,
       "local_N": 10450.2,
       "err_pct": 165.1
      },
      {
       "iface": "63-90",
       "global_N": 14769.5,
       "local_N": 16859.5,
       "err_pct": 211.1
      },
      {
       "iface": "64-28",
       "global_N": 13060.1,
       "local_N": 10090.5,
       "err_pct": 176.7
      },
      {
       "iface": "64-90",
       "global_N": 12996.5,
       "local_N": 15763.9,
       "err_pct": 219.5
      },
      {
       "iface": "68-28",
       "global_N": 12942.7,
       "local_N": 6821.9,
       "err_pct": 150.7
      },
      {
       "iface": "68-90",
       "global_N": 12889.1,
       "local_N": 14162.7,
       "err_pct": 205.3
      },
      {
       "iface": "70-28",
       "global_N": 18977.3,
       "local_N": 19623.5,
       "err_pct": 201.4
      },
      {
       "iface": "70-71",
       "global_N": 15929.4,
       "local_N": 11721.4,
       "err_pct": 173.4
      },
      {
       "iface": "71-16",
       "global_N": 7832.3,
       "local_N": 6453.3,
       "err_pct": 63.5
      },
      {
       "iface": "71-86",
       "global_N": 6215.0,
       "local_N": 6964.2,
       "err_pct": 23.1
      },
      {
       "iface": "71-87",
       "global_N": 18831.5,
       "local_N": 20074.5,
       "err_pct": 16.3
      },
      {
       "iface": "71-94",
       "global_N": 4787.9,
       "local_N": 4545.0,
       "err_pct": 15.5
      },
      {
       "iface": "71-99",
       "global_N": 4332.8,
       "local_N": 3358.2,
       "err_pct": 32.9
      },
      {
       "iface": "71-129",
       "global_N": 4295.0,
       "local_N": 4167.1,
       "err_pct": 17.7
      },
      {
       "iface": "90-61",
       "global_N": 9864.9,
       "local_N": 28000.8,
       "err_pct": 227.5
      },
      {
       "iface": "90-92",
       "global_N": 0.0,
       "local_N": 12492.4,
       "err_pct": null
      },
      {
       "iface": "105-71",
       "global_N": 1879.2,
       "local_N": 1120.7,
       "err_pct": 148.3
      }
     ],
     "iface_force_err_wpct": 145.97,
     "iface_force_err_max_pct": 1000.2,
     "iface_force_n": 26,
     "iface_force_missing": 1
    }
   ],
   "fix_points_inside": 6,
   "cand_sel_r_mm": 88.8,
   "ladder_stop": "요소를 1.8배 가늘게 하는 것조차 절점 약 7,134,726개로 상한 950,000개를 넘습니다(후보 부재 665,758절점 / 둘레 145,865절점) - 여기서 멈춥니다",
   "h_ratio": 2.61,
   "h_pair_mm": [
    13.5,
    5.18
   ],
   "stages_done": 2,
   "conv": {
    "disp_pct_ref_only": 0.0,
    "disp_note": "경계 강제값 — 판정에 쓰지 않음",
    "cand_MPa_pct": 508.36,
    "compliance_pct": 7.96,
    "worst_pct": 508.36
   },
   "verdict": "특이점 확정",
   "why": "요소를 13.5mm → 5.2mm (2.61배) 로 줄였는데 이 자리 응력이 508.4% 더 커졌습니다 - 값이 발산하는 특이점입니다(실제 위험이 아님)"
  }
 ]
}