Files
FluidSimCpp/engines/big-carb.toml

727 lines
17 KiB
TOML

# Engine definition. Dimensional keys state their units.
schema_version = 2
id = "big-carb"
name = "8.0 litre / carbureted big-block"
category = "V8 / big-block"
description = "Cross-plane firing / American 4-2-1 + H / carb fuel transport"
order = 29
cycle = "four_stroke"
[simulation]
cells_per_meter = 20.0
[engine]
bank_angle_deg = 90.0
cylinders = 8
initial_rpm = 1120.0
initialize_phased_charge = true
layout = "v"
maximum_load_torque_nm = 30.0
minimum_substeps = 1
phase_degrees = [0.0, 450.0, 270.0, 540.0, 630.0, 360.0, 180.0, 89.99998]
pipe_damping = 1.0
starter_torque_nm = 201.1122
throttle_diameter_mm = 85.0
topology = "american_v8"
[cylinder]
afr = 14.7
ambient_temperature_k = 300.0
bore_mm = 114.3
burn_duration_deg = 65.0
burn_start_deg = 5.0
compression = 9.0
energy_variation = 0.05
exhaust_valve_count = 1
exhaust_valve_diameter_mm = 36.576
fuel_lhv_j_per_kg = 4.4e+07
heat_transfer = 100.0
intake_valve_count = 1
intake_valve_diameter_mm = 43.434
misfire_probability = 0.0
rod_mm = 176.4
stroke_mm = 98.0
wall_area = 0.02
wiebe_a = 5.0
wiebe_m = 2.0
[crankshaft]
friction_constant_nm = 32.17795
friction_quadratic_nm_s2 = 0.0
friction_viscous_nm_s = 0.03217795
inertia_kg_m2 = 0.9653385
[ecu]
idle_base_opening = 0.07
idle_control = "fixed"
idle_ki = 4e-05
idle_kp = 0.0001
idle_max_opening = 0.25
idle_minimum_advance_deg = -5.0
idle_rpm = 800.0
idle_spark_gain = 0.02
ignition_map = [[0.0, 10.0], [750.0, 12.0], [2500.0, 28.0], [4000.0, 32.0], [6000.0, 30.0]]
overrun_cut_rpm = 2000.0
overrun_fuel_cut_enabled = false
overrun_ignition_cut_enabled = true
overrun_resume_rpm = 1100.0
power_afr = 12.8
rev_limit_enabled = true
rev_limit_fuel_cut_enabled = false
rev_limit_rpm = 7000.0
rev_resume_rpm = 6750.0
stoichiometric_afr = 14.7
throttle_closing_rate = 0.0
throttle_closing_time_constant_s = 0.0
throttle_rate = 1000.0
throttle_time_constant_s = 0.001
[vehicle]
air_density = 1.225
clutch_capacity = 1769.787
clutch_engagement_rate = 8.0
drag_coefficient = 0.4
final_drive_ratio = 3.623529
frontal_area = 2.0
gear_ratios = [3.35, 1.93, 1.29, 1.0, 0.68]
gravity = 9.80665
mass_kg = 1400.0
primary_reduction = 1.0
rolling_resistance = 0.015
rotational_inertia_kg_m2 = 1.2
wheel_radius_mm = 320.0
[fuel]
system = "carburetor"
pilot_jet_diameter_mm = 0.2337673
main_jet_diameter_mm = 4.524528
needle_jet_diameter_mm = 4.656493
needle_low_scale = 0.6
needle_mid_scale = 0.65
needle_off_idle_scale = 0.964
needle_quarter_scale = 0.64
needle_tip_scale = 0.782
needle_transition_scale = 0.89
needle_upper_scale = 0.76
bowl_capacity_kg = 0.1
bowl_refill_kg_per_s = 0.1
[junctions]
h_pipe = true
[[pipes]]
id = "intake"
diameter_mm = 70.0
[[pipes]]
id = "runners"
count = 8
diameter_mm = 38.0
[[pipes]]
id = "primaries"
count = 8
diameter_mm = 38.0
[[pipes]]
id = "secondaries"
count = 4
diameter_mm = 45.0
[[pipes]]
id = "bank_collectors"
count = 2
diameter_mm = 50.0
[[pipes]]
id = "tailpipes"
count = 2
diameter_mm = 50.0
[[pipes]]
id = "crossover"
diameter_mm = 38.0
[cam.intake]
points = [
[0.000, 0.000000],
[350.000, 0.000000],
[355.000, 0.266213],
[360.000, 0.996153],
[365.000, 2.086769],
[370.000, 3.435011],
[375.000, 4.937829],
[380.000, 6.492171],
[385.000, 7.994989],
[390.000, 9.343231],
[395.000, 10.433847],
[400.000, 11.163787],
[405.000, 11.430000],
[515.000, 11.430000],
[520.000, 11.163787],
[525.000, 10.433847],
[530.000, 9.343231],
[535.000, 7.994989],
[540.000, 6.492171],
[545.000, 4.937829],
[550.000, 3.435011],
[555.000, 2.086769],
[560.000, 0.996153],
[565.000, 0.266213],
[570.000, 0.000000],
[720.000, 0.000000]
]
[cam.exhaust]
points = [
[0.000, 0.000000],
[140.000, 0.000000],
[145.000, 0.219826],
[150.000, 0.825192],
[155.000, 1.734933],
[160.000, 2.867881],
[165.000, 4.142870],
[170.000, 5.478734],
[175.000, 6.794307],
[180.000, 8.008421],
[185.000, 9.039912],
[190.000, 9.807611],
[195.000, 10.230353],
[197.500, 10.287000],
[312.500, 10.287000],
[317.500, 10.067174],
[322.500, 9.461808],
[327.500, 8.552067],
[332.500, 7.419119],
[337.500, 6.144130],
[342.500, 4.808266],
[347.500, 3.492693],
[352.500, 2.278579],
[357.500, 1.247088],
[362.500, 0.479389],
[367.500, 0.056647],
[370.000, 0.000000],
[720.000, 0.000000]
]
[valves.intake]
mass_g = 35.0
spring_rate_n_per_mm = 38.0
damping_n_s_per_m = 24.0
seat_force_n = 75.0
maximum_lift_mm = 15.0
seat_restitution = 0.005
cam_restitution = 0.01
stop_restitution = 0.01
[valves.exhaust]
mass_g = 35.0
spring_rate_n_per_mm = 38.0
damping_n_s_per_m = 24.0
seat_force_n = 75.0
maximum_lift_mm = 15.0
seat_restitution = 0.005
cam_restitution = 0.01
stop_restitution = 0.01
[valve_sound]
mode_hz = 3600.0
effective_mass_g = 180.0
radiation_area_cm2 = 10.0
damping_ratio = 0.9
[[geometry.cylinders]]
origin_mm = [ -198.45, 0, 0 ]
tilt_deg = -45.0
[[geometry.cylinders]]
origin_mm = [ -66.15, 0, 0 ]
tilt_deg = -45.0
[[geometry.cylinders]]
origin_mm = [ 66.15, 0, 0 ]
tilt_deg = -45.0
[[geometry.cylinders]]
origin_mm = [ 198.45, 0, 0 ]
tilt_deg = -45.0
[[geometry.cylinders]]
origin_mm = [ -198.45, 0, 0 ]
tilt_deg = 45.0
[[geometry.cylinders]]
origin_mm = [ -66.15, 0, 0 ]
tilt_deg = 45.0
[[geometry.cylinders]]
origin_mm = [ 66.15, 0, 0 ]
tilt_deg = 45.0
[[geometry.cylinders]]
origin_mm = [ 198.45, 0, 0 ]
tilt_deg = 45.0
# intake
[[geometry.pipes]]
index = 0
points_mm = [
[ -444.6, 334.9036, 0 ],
[ -264.6, 334.9036, 0 ]
]
# runners 1
[[geometry.pipes]]
index = 1
points_mm = [
[ -198.45, 314.716, -130.0582 ],
[ -198.45, 194.716, -130.0582 ]
]
# runners 2
[[geometry.pipes]]
index = 2
points_mm = [
[ -66.15, 314.716, -130.0582 ],
[ -66.15, 194.716, -130.0582 ]
]
# runners 3
[[geometry.pipes]]
index = 3
points_mm = [
[ 66.15, 314.716, -130.0582 ],
[ 66.15, 194.716, -130.0582 ]
]
# runners 4
[[geometry.pipes]]
index = 4
points_mm = [
[ 198.45, 314.716, -130.0582 ],
[ 198.45, 194.716, -130.0582 ]
]
# runners 5
[[geometry.pipes]]
index = 5
points_mm = [
[ -198.45, 314.716, 130.0582 ],
[ -198.45, 194.716, 130.0582 ]
]
# runners 6
[[geometry.pipes]]
index = 6
points_mm = [
[ -66.15, 314.716, 130.0582 ],
[ -66.15, 194.716, 130.0582 ]
]
# runners 7
[[geometry.pipes]]
index = 7
points_mm = [
[ 66.15, 314.716, 130.0582 ],
[ 66.15, 194.716, 130.0582 ]
]
# runners 8
[[geometry.pipes]]
index = 8
points_mm = [
[ 198.45, 314.716, 130.0582 ],
[ 198.45, 194.716, 130.0582 ]
]
# primaries 1
[[geometry.pipes]]
index = 9
points_mm = [
[ -198.45, 121.9759, -202.7982 ],
[ -197.0012, 111.4774, -210.8704 ],
[ -192.907, 102.0521, -218.6645 ],
[ -186.5452, 93.5225, -226.147 ],
[ -178.2937, 85.7113, -233.2843 ],
[ -168.5305, 78.441, -240.0431 ],
[ -157.6335, 71.5342, -246.3898 ],
[ -145.9807, 64.8134, -252.291 ],
[ -133.9499, 58.1011, -257.7131 ],
[ -121.9191, 51.2201, -262.6227 ],
[ -110.2663, 43.9927, -266.9864 ],
[ -99.3693, 36.2416, -270.7706 ],
[ -89.6061, 27.7894, -273.9418 ],
[ -81.3546, 18.4586, -276.4666 ],
[ -74.9928, 8.0717, -278.3115 ],
[ -70.8985, -3.5486, -279.443 ],
[ -69.4498, -16.5798, -279.8276 ]
]
# primaries 2
[[geometry.pipes]]
index = 10
points_mm = [
[ -66.15, 121.9759, -202.7982 ],
[ -66.0127, 113.4631, -209.2701 ],
[ -65.6247, 105.1542, -215.8763 ],
[ -65.0218, 97.0014, -222.5408 ],
[ -64.2399, 88.9567, -229.1874 ],
[ -63.3147, 80.9722, -235.7399 ],
[ -62.282, 73.0001, -242.1222 ],
[ -61.1777, 64.9925, -248.2581 ],
[ -60.0376, 56.9014, -254.0714 ],
[ -58.8975, 48.6789, -259.486 ],
[ -57.7932, 40.2772, -264.4258 ],
[ -56.7605, 31.6483, -268.8146 ],
[ -55.8353, 22.7444, -272.5762 ],
[ -55.0534, 13.5175, -275.6344 ],
[ -54.4505, 3.9198, -277.9132 ],
[ -54.0625, -6.0967, -279.3363 ],
[ -53.9252, -16.5798, -279.8276 ]
]
# primaries 3
[[geometry.pipes]]
index = 11
points_mm = [
[ 66.15, 121.9759, -202.7982 ],
[ 67.5987, 111.4774, -210.8704 ],
[ 71.693, 102.0521, -218.6645 ],
[ 78.0548, 93.5225, -226.147 ],
[ 86.3063, 85.7113, -233.2843 ],
[ 96.0695, 78.441, -240.0431 ],
[ 106.9665, 71.5342, -246.3898 ],
[ 118.6193, 64.8134, -252.291 ],
[ 130.6501, 58.1011, -257.7131 ],
[ 142.6809, 51.2201, -262.6227 ],
[ 154.3337, 43.9927, -266.9864 ],
[ 165.2307, 36.2416, -270.7706 ],
[ 174.9939, 27.7894, -273.9418 ],
[ 183.2454, 18.4586, -276.4666 ],
[ 189.6072, 8.0717, -278.3115 ],
[ 193.7014, -3.5486, -279.443 ],
[ 195.1502, -16.5798, -279.8276 ]
]
# primaries 4
[[geometry.pipes]]
index = 12
points_mm = [
[ 198.45, 121.9759, -202.7982 ],
[ 198.5873, 113.4631, -209.2701 ],
[ 198.9753, 105.1542, -215.8763 ],
[ 199.5782, 97.0014, -222.5408 ],
[ 200.3601, 88.9567, -229.1874 ],
[ 201.2853, 80.9722, -235.7399 ],
[ 202.318, 73.0001, -242.1222 ],
[ 203.4223, 64.9925, -248.2581 ],
[ 204.5624, 56.9014, -254.0714 ],
[ 205.7025, 48.6789, -259.486 ],
[ 206.8068, 40.2772, -264.4258 ],
[ 207.8394, 31.6483, -268.8146 ],
[ 208.7647, 22.7444, -272.5762 ],
[ 209.5466, 13.5175, -275.6344 ],
[ 210.1495, 3.9198, -277.9132 ],
[ 210.5375, -6.0967, -279.3363 ],
[ 210.6748, -16.5798, -279.8276 ]
]
# primaries 5
[[geometry.pipes]]
index = 13
points_mm = [
[ -198.45, 121.9759, 202.7982 ],
[ -197.277, 108.2502, 212.6484 ],
[ -193.869, 94.7077, 221.8246 ],
[ -188.3921, 81.4455, 230.332 ],
[ -181.0126, 68.5602, 238.1762 ],
[ -171.8968, 56.1489, 245.3622 ],
[ -161.2109, 44.3085, 251.8955 ],
[ -149.1211, 33.1359, 257.7814 ],
[ -135.7937, 22.7279, 263.0251 ],
[ -121.395, 13.1814, 267.632 ],
[ -106.0911, 4.5935, 271.6075 ],
[ -90.0483, -2.9391, 274.9567 ],
[ -73.433, -9.3194, 277.6851 ],
[ -56.4112, -14.4506, 279.7979 ],
[ -39.1493, -18.2357, 281.3005 ],
[ -21.8136, -20.5778, 282.1981 ],
[ -4.5702, -21.38, 282.4962 ]
]
# primaries 6
[[geometry.pipes]]
index = 14
points_mm = [
[ -66.15, 121.9759, 202.7982 ],
[ -64.977, 108.2502, 212.6484 ],
[ -61.569, 94.7077, 221.8246 ],
[ -56.0921, 81.4455, 230.332 ],
[ -48.7126, 68.5602, 238.1762 ],
[ -39.5968, 56.1489, 245.3622 ],
[ -28.9109, 44.3085, 251.8955 ],
[ -16.8211, 33.1359, 257.7814 ],
[ -3.4937, 22.7279, 263.0251 ],
[ 10.905, 13.1814, 267.632 ],
[ 26.2089, 4.5935, 271.6075 ],
[ 42.2516, -2.9391, 274.9567 ],
[ 58.867, -9.3194, 277.6851 ],
[ 75.8888, -14.4506, 279.7979 ],
[ 93.1506, -18.2357, 281.3005 ],
[ 110.4864, -20.5778, 282.1981 ],
[ 127.7298, -21.38, 282.4962 ]
]
# primaries 7
[[geometry.pipes]]
index = 15
points_mm = [
[ 66.15, 121.9759, 202.7982 ],
[ 65.6316, 113.1956, 209.4857 ],
[ 64.1664, 104.7363, 216.2519 ],
[ 61.8898, 96.5327, 223.0266 ],
[ 58.937, 88.5195, 229.7393 ],
[ 55.4433, 80.6312, 236.3196 ],
[ 51.5438, 72.8027, 242.6971 ],
[ 47.3738, 64.9684, 248.8014 ],
[ 43.0685, 57.063, 254.562 ],
[ 38.7633, 49.0212, 259.9086 ],
[ 34.5933, 40.7777, 264.7708 ],
[ 30.6938, 32.2671, 269.0781 ],
[ 27.2, 23.424, 272.7602 ],
[ 24.2472, 14.1831, 275.7465 ],
[ 21.9706, 4.4791, 277.9668 ],
[ 20.5055, -5.7534, 279.3506 ],
[ 19.9871, -16.5798, 279.8276 ]
]
# primaries 8
[[geometry.pipes]]
index = 16
points_mm = [
[ 198.45, 121.9759, 202.7982 ],
[ 197.9315, 113.1956, 209.4857 ],
[ 196.4664, 104.7363, 216.2519 ],
[ 194.1898, 96.5327, 223.0266 ],
[ 191.237, 88.5195, 229.7393 ],
[ 187.7432, 80.6312, 236.3196 ],
[ 183.8437, 72.8027, 242.6971 ],
[ 179.6738, 64.9684, 248.8014 ],
[ 175.3685, 57.063, 254.562 ],
[ 171.0633, 49.0212, 259.9086 ],
[ 166.8933, 40.7777, 264.7708 ],
[ 162.9938, 32.2671, 269.0781 ],
[ 159.5, 23.424, 272.7602 ],
[ 156.5472, 14.1831, 275.7465 ],
[ 154.2706, 4.4791, 277.9668 ],
[ 152.8055, -5.7534, 279.3506 ],
[ 152.2871, -16.5798, 279.8276 ]
]
# secondaries 1
[[geometry.pipes]]
index = 17
points_mm = [
[ -33.8798, -36.9883, -290.0681 ],
[ -8.445, -37.449, -290.0681 ],
[ 16.3173, -38.751, -290.0681 ],
[ 40.5034, -40.7741, -290.0681 ],
[ 64.209, -43.3982, -290.0681 ],
[ 87.5305, -46.503, -290.0681 ],
[ 110.5638, -49.9683, -290.0681 ],
[ 133.4049, -53.6741, -290.0681 ],
[ 156.15, -57.5, -290.0681 ],
[ 178.8951, -61.3259, -290.0681 ],
[ 201.7362, -65.0317, -290.0681 ],
[ 224.7695, -68.497, -290.0681 ],
[ 248.0909, -71.6018, -290.0681 ],
[ 271.7966, -74.2259, -290.0681 ],
[ 295.9826, -76.249, -290.0681 ],
[ 320.745, -77.551, -290.0681 ],
[ 346.1798, -78.0117, -290.0681 ]
]
# secondaries 2
[[geometry.pipes]]
index = 18
points_mm = [
[ 230.7201, -40.4426, -290.0681 ],
[ 238.6832, -40.8257, -290.0681 ],
[ 246.3475, -41.9085, -290.0681 ],
[ 253.7557, -43.5909, -290.0681 ],
[ 260.9506, -45.773, -290.0681 ],
[ 267.9748, -48.355, -290.0681 ],
[ 274.871, -51.2367, -290.0681 ],
[ 281.6818, -54.3184, -290.0681 ],
[ 288.45, -57.5, -290.0681 ],
[ 295.2181, -60.6816, -290.0681 ],
[ 302.029, -63.7633, -290.0681 ],
[ 308.9251, -66.645, -290.0681 ],
[ 315.9494, -69.227, -290.0681 ],
[ 323.1442, -71.4091, -290.0681 ],
[ 330.5525, -73.0915, -290.0681 ],
[ 338.2168, -74.1743, -290.0681 ],
[ 346.1798, -74.5574, -290.0681 ]
]
# secondaries 3
[[geometry.pipes]]
index = 19
points_mm = [
[ 32.2702, -37.3632, 290.0681 ],
[ 53.3195, -37.8155, 290.0681 ],
[ 73.7968, -39.0937, 290.0681 ],
[ 93.7839, -41.0799, 290.0681 ],
[ 113.3624, -43.656, 290.0681 ],
[ 132.614, -46.704, 290.0681 ],
[ 151.6206, -50.106, 290.0681 ],
[ 170.4636, -53.744, 290.0681 ],
[ 189.225, -57.5, 290.0681 ],
[ 207.9864, -61.256, 290.0681 ],
[ 226.8294, -64.894, 290.0681 ],
[ 245.8359, -68.296, 290.0681 ],
[ 265.0875, -71.344, 290.0681 ],
[ 284.6661, -73.9201, 290.0681 ],
[ 304.6531, -75.9063, 290.0681 ],
[ 325.1305, -77.1845, 290.0681 ],
[ 346.1798, -77.6368, 290.0681 ]
]
# secondaries 4
[[geometry.pipes]]
index = 20
points_mm = [
[ 164.5702, -38.7945, 290.0681 ],
[ 176.8768, -39.2146, 290.0681 ],
[ 188.801, -40.402, 290.0681 ],
[ 200.3974, -42.247, 290.0681 ],
[ 211.7207, -44.64, 290.0681 ],
[ 222.8255, -47.4714, 290.0681 ],
[ 233.7664, -50.6316, 290.0681 ],
[ 244.598, -54.011, 290.0681 ],
[ 255.375, -57.5, 290.0681 ],
[ 266.152, -60.989, 290.0681 ],
[ 276.9836, -64.3684, 290.0681 ],
[ 287.9245, -67.5286, 290.0681 ],
[ 299.0292, -70.36, 290.0681 ],
[ 310.3525, -72.753, 290.0681 ],
[ 321.9489, -74.598, 290.0681 ],
[ 333.8732, -75.7854, 290.0681 ],
[ 346.1798, -76.2055, 290.0681 ]
]
# bank_collectors 1
[[geometry.pipes]]
index = 21
points_mm = [
[ 383.0201, -80, -294.0319 ],
[ 417.8478, -80, -295.272 ],
[ 451.5734, -80, -298.7767 ],
[ 484.3543, -80, -304.2224 ],
[ 516.3481, -80, -311.2857 ],
[ 547.7121, -80, -319.643 ],
[ 578.6038, -80, -328.9709 ],
[ 609.1806, -80, -338.9457 ],
[ 639.6, -80, -349.2441 ],
[ 670.0194, -80, -359.5425 ],
[ 700.5962, -80, -369.5174 ],
[ 731.4879, -80, -378.8453 ],
[ 762.852, -80, -387.2026 ],
[ 794.8456, -80, -394.2659 ],
[ 827.6266, -80, -399.7116 ],
[ 861.3521, -80, -403.2163 ],
[ 896.1799, -80, -404.4564 ]
]
# bank_collectors 2
[[geometry.pipes]]
index = 22
points_mm = [
[ 383.0201, -80, 294.0319 ],
[ 417.8478, -80, 295.272 ],
[ 451.5734, -80, 298.7767 ],
[ 484.3543, -80, 304.2224 ],
[ 516.3481, -80, 311.2857 ],
[ 547.7121, -80, 319.643 ],
[ 578.6038, -80, 328.9709 ],
[ 609.1806, -80, 338.9457 ],
[ 639.6, -80, 349.2441 ],
[ 670.0194, -80, 359.5425 ],
[ 700.5962, -80, 369.5174 ],
[ 731.4879, -80, 378.8453 ],
[ 762.852, -80, 387.2026 ],
[ 794.8456, -80, 394.2659 ],
[ 827.6266, -80, 399.7116 ],
[ 861.3521, -80, 403.2163 ],
[ 896.1799, -80, 404.4564 ]
]
# tailpipes 1
[[geometry.pipes]]
index = 23
points_mm = [
[ 933.0202, -80, -408.4201 ],
[ 2183.0201, -80, -408.4201 ]
]
# tailpipes 2
[[geometry.pipes]]
index = 24
points_mm = [
[ 933.0202, -80, 408.4201 ],
[ 2183.0201, -80, 408.4201 ]
]
# crossover
[[geometry.pipes]]
index = 25
points_mm = [
[ 914.6, -80, -390 ],
[ 914.6, -80, 390 ]
]
[[geometry.volumes]]
id = "intake_plenum"
center_mm = [ 0, 334.9036, 0 ]
size_mm = [ 529.2, 40.3753, 374.4163 ]
[[geometry.volumes]]
id = "junction_0"
center_mm = [ -52.3, -35, -290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_1"
center_mm = [ 212.3, -35, -290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_2"
center_mm = [ 13.85, -35, 290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_3"
center_mm = [ 146.15, -35, 290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_4"
center_mm = [ 364.6, -80, -290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_5"
center_mm = [ 364.6, -80, 290.0681 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_6"
center_mm = [ 914.6, -80, -408.4201 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_7"
center_mm = [ 914.6, -80, 408.4201 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]