{
  "physical_measurements": 0,
  "classification": "CONDITIONAL_DEVELOPMENT_REQUIREMENTS_NOT_PHYSICAL_PROOF",
  "current_frozen_driving_study": "P4.4",
  "new_candidate": {
    "physical_measurements": 0,
    "status": "DEVELOPMENT_NOT_SELECTED",
    "job": {
      "name": "P4.6-development",
      "floor_area_m2": 4.138299999999999,
      "floor_perimeter_m": 8.26,
      "tray_extra_kg": 25.0,
      "cold_metal_kg": 4.0,
      "allocation": "torque-aware",
      "fan_installed_kg": 190.0,
      "drive_allowance_kg": 125.0,
      "drive_mode": "catalogue",
      "input_inertia_kgm2": 0.15,
      "cell_resistance_ohm": 0.016,
      "parallel": 11,
      "preconditioning_s": 6.0,
      "pack_bus_charge_target_V": 825.0,
      "blower_design_rpm": 6700.0,
      "launch_energy_guard": true,
      "launch_chemical_reserve_J": 600000.0,
      "launch_DC_reserve_J": 100000.0,
      "energy_supervisor": false,
      "supervisor_gain_W_MJ": 600000.0,
      "supervisor_deadband_J": 25000.0,
      "supervisor_forecast_exponent": 5.0,
      "supervisor_minimum_W": 250000.0,
      "supervisor_start_kmh": 200.0,
      "brake_floor_low_N": 43000.0,
      "brake_floor_high_N": 28500.0,
      "launch_floor_N": 43000.0,
      "dynamic_brake_floor": true,
      "brake_floor_inertia_kgm2": 0.2314285714285714,
      "battery_model": "soc",
      "initial_soc": 0.6,
      "vehicle_half_width_m": 1.17,
      "unified_floor": true,
      "layout_mass_model": true,
      "layout_force_geometry": true,
      "floor_manifold_volume_m3": 0.4,
      "floor_duct_total_area_m2": 0.072,
      "floor_duct_loss_K": 4.5,
      "floor_bank_location": "front",
      "new_main_air_geometry": true,
      "main_duct_loss_K": 0.4,
      "CdA": 0.65,
      "thermal_model": "two-zone",
      "thermal_hot_metal_kg": 8.5,
      "thermal_hot_UA_WK": 1200.0,
      "thermal_dry_kg": 64.0,
      "thermal_hold_up_reserve_kg": 0.3,
      "thermal_startup_acceptance_delay_s": 2.0,
      "thermal_hot_gas_boiler_fraction": 0.7,
      "thermal_adaptive_diverter": true,
      "thermal_diverter_gain_per_K": 0.012,
      "direct_traction_bus": true,
      "main_rotor_startup_DC_J": 60000.0,
      "thermal_pump_discharge_Pa": 3120000.0,
      "thermal_exhaust_loss_Pa": 9500.0,
      "thermal_boiler_metal_fraction": 0.342,
      "thermal_dimensioned_hot_side": true,
      "chemical_exchange_window_J": 16000000.0,
      "DC_exchange_window_J": 12800000.0,
      "drive_envelope": "vendor-current-envelope",
      "upper_horizontal_force_height_m": 1.3,
      "mechanical_dt_s": 0.0005,
      "cold": false,
      "floor_feed_CG_height_m": 0.185,
      "floor_collector_CG_height_m": 0.65,
      "floor_feed_installed_kg": 28.0,
      "pack_CG_height_m": 0.3,
      "drive_current_limit_Arms": 500,
      "drive_ratio": 3.09,
      "stages": 9
    },
    "extra_parts": [
      {
        "name": "Dorsal passage skin at declared 1mm section offset",
        "mass_kg": 14.503,
        "x_from_front_axle_m": 1.5,
        "z_m": 1.3
      },
      {
        "name": "Dorsal machinery fairings valves containment and collector",
        "mass_kg": 35.0,
        "x_from_front_axle_m": 3.65,
        "z_m": 1.23
      },
      {
        "name": "Wider pressure deck extra reinforcement",
        "mass_kg": 15.0,
        "x_from_front_axle_m": 1.4,
        "z_m": 0.14
      },
      {
        "name": "Prepared nitrogen maximum wet inventory",
        "mass_kg": 20.0,
        "x_from_front_axle_m": 3.68,
        "z_m": 0.89
      },
      {
        "name": "Vacuum tank insulation cold valves",
        "mass_kg": 16.0,
        "x_from_front_axle_m": 3.68,
        "z_m": 0.89
      },
      {
        "name": "Battery and coolant preheaters with secondary loop",
        "mass_kg": 14.0,
        "x_from_front_axle_m": 2.8,
        "z_m": 0.7
      },
      {
        "name": "Liquid pump motor and drives",
        "mass_kg": 14.0,
        "x_from_front_axle_m": 3.4,
        "z_m": 0.8
      },
      {
        "name": "Two hot gas cores metal headers and enclosure",
        "mass_kg": 31.0,
        "x_from_front_axle_m": 4.05,
        "z_m": 0.475
      },
      {
        "name": "Two nitrogen expanders and containment",
        "mass_kg": 16.0,
        "x_from_front_axle_m": 4.13,
        "z_m": 0.85
      },
      {
        "name": "Speed matching gearbox clutch and shaft",
        "mass_kg": 22.0,
        "x_from_front_axle_m": 3.75,
        "z_m": 0.75
      },
      {
        "name": "Thermal pressure lines and mounts",
        "mass_kg": 6.0,
        "x_from_front_axle_m": 3.65,
        "z_m": 0.7
      },
      {
        "name": "Additional coolant inventory",
        "mass_kg": 6.0,
        "x_from_front_axle_m": 3.0,
        "z_m": 0.65
      },
      {
        "name": "Thermal control and harness",
        "mass_kg": 2.0,
        "x_from_front_axle_m": 3.0,
        "z_m": 0.5
      },
      {
        "name": "Changed traction gearing installation allowance",
        "mass_kg": 18.0,
        "x_from_front_axle_m": 2.15,
        "z_m": 0.48
      },
      {
        "name": "Larger calipers and thermal rotor allowance",
        "mass_kg": 16.0,
        "x_from_front_axle_m": 1.4,
        "z_m": 0.35,
        "intrinsic_Ixx_kgm2": 14.44,
        "intrinsic_Izz_kgm2": 45.8
      },
      {
        "name": "Higher capacity hydraulic supply",
        "mass_kg": 4.0,
        "x_from_front_axle_m": 1.3,
        "z_m": 0.35
      },
      {
        "name": "Springs and mounts for the combined load",
        "mass_kg": 4.0,
        "x_from_front_axle_m": 1.4,
        "z_m": 0.45
      },
      {
        "name": "100 bar pump mass increase",
        "mass_kg": 10.0,
        "x_from_front_axle_m": 3.4,
        "z_m": 0.8
      },
      {
        "name": "260 kW coupling mass increase",
        "mass_kg": 5.0,
        "x_from_front_axle_m": 3.75,
        "z_m": 0.75
      },
      {
        "name": "100 bar thicker headers and pressure lines",
        "mass_kg": 5.0,
        "x_from_front_axle_m": 3.65,
        "z_m": 0.7
      }
    ],
    "upgrade": true,
    "track_prepared": true,
    "high_pressure": true,
    "mass_and_inertia": {
      "mass_kg": 3201.2426,
      "addition_mass_kg": 614.2066,
      "front_static_fraction": 0.4238420813753474,
      "CG_from_front_axle_m": 1.6132421721490273,
      "CG_height_m": 0.4862324336181207,
      "pitch_inertia_kgm2": 4720.450345145437,
      "roll_inertia_kgm2": 1235.276645721472,
      "yaw_inertia_kgm2": 6289.979542457781,
      "tyre_reference_loads_retained_N": [
        4305.609,
        4305.609,
        5479.866000000001,
        5479.866000000001
      ]
    },
    "physical_pack_access": false,
    "recovery_enabled": true,
    "recovery_route": "mechanical",
    "recovery_hold_until_kmh": 0.0,
    "floor_to_main_join_in_event": "ISOLATED_INDEPENDENT_FLOOR_FALLBACK",
    "limits": [
      "Body CdA and route loss are requirements pending whole-vehicle and flow-envelope qualification.",
      "The floor-to-main shared-node saving is NOT credited by this independent-outlet event.",
      "The unchanged fitted effective engine curve is retained; engine/gearing beyond the original benchmark remain unqualified.",
      "All new masses are explicit unweighed budgets; every inherited allowance remains."
    ]
  },
  "sprint_scores": {
    "0_100_s": 2.0074848501671614,
    "0_200_s": 5.82755258419907,
    "0_300_s": 13.149779026360541,
    "0_400_s": 27.388274503016316,
    "400_0_m": 441.5727757035946,
    "0_400_0_s": 34.63000000001124
  },
  "comparison_Bugatti_published": {
    "0_100_s": 2.4,
    "0_200_s": 6.1,
    "0_300_s": 13.1,
    "0_400_s": 32.6,
    "400_0_m": 491.0,
    "0_400_0_s": 41.96
  },
  "same_car_recovery_off": {
    "mass_kg": 3201.2426,
    "time_to_speed_s": {
      "100": 2.1342404047759844,
      "200": 6.791292643837412,
      "300": 14.986501929658466,
      "400": 32.1649515771476
    },
    "pack": {
      "series_cells": 216,
      "parallel_cells": 11,
      "pack_mass_target_kg": 227.73960000000002,
      "chemical_window_initial_J": 16000000.0,
      "chemical_remaining_J": 3831630.623469472,
      "DC_exchange_window_initial_J": 12800000.0,
      "DC_exchange_window_remaining_J": 2989597.380483236,
      "node_net_work_J": 9810402.619519938,
      "cell_Joule_heat_J": 2054552.243003378,
      "converter_loss_heat_J": 303414.5140057332,
      "cell_temperature_C": 38.53224632213797,
      "maximum_cell_current_A": 45.16327642638047,
      "minimum_cell_voltage_V": 2.9669774711265147,
      "maximum_cell_voltage_V": 3.7680512228748926,
      "energy_residual_J": 2.308763688240595e-06,
      "initial_SOC": 0.6,
      "final_SOC": 0.5212925201645492,
      "minimum_SOC": 0.5212925201645492,
      "maximum_SOC": 0.6,
      "OCV_at_final_SOC_V": 3.683421772181004,
      "OCV_proxy_offset_V": 0.0,
      "DC_resistance_ohm_upper_target": 0.016,
      "final_DC_resistance_ohm": 0.016,
      "physical_chemical_store_remaining_J_proxy": 70708209.46346946,
      "minimum_pack_capacity_kWh": 41.58,
      "timed_event_cooling_credit_J": 0.0,
      "classification": "Finite SOC/voltage/heat requirements model. OCV proxy, resistance and automotive pack qualification remain unmeasured targets.",
      "cell_thermal_energy_residual_J": 7.05476850271225e-08,
      "resource_basis": "MATCHED_16MJ_CHEMICAL_12_8MJ_DC"
    },
    "services": {
      "enabled": false,
      "cold_enabled": false,
      "elapsed_drive_s": 38.16500000000098,
      "coolant_after_preparation_kg": 0.0,
      "coolant_remaining_kg": 0.0,
      "finite_warm_air_remaining_kg": 0.0,
      "service_gross_DC_J": 1990.8250000034832,
      "generated_DC_accepted_J": 0.0,
      "generated_DC_dumped_J": 0.0,
      "camber_motion_DC_J": 0.0,
      "cold_aux_DC_J": 0.0,
      "net_service_pack_draw_J": 1990.8250000034832,
      "peak_service_gross_W": 0.0,
      "peak_camber_tracking_error_deg": 0.0,
      "peak_hydraulic_flow_m3_s": 0.0,
      "hydraulic_travel_violation": false,
      "cold_bath_heat_J": 0.0,
      "cold_boiloff_during_drive_kg": 0.0,
      "warm_heat_input_J": 0.0,
      "no_extra_tyre_grip_assigned": true,
      "physical_measurements": 0,
      "thermal": {
        "physical_measurements": 0,
        "classification": "FINITE_CASCADE_AND_COUPLING_REQUIREMENTS_NOT_QUALIFIED_HARDWARE",
        "configuration": {
          "pressure_Pa": 10000000.0,
          "pump_pressure_Pa": 11000000.0,
          "reheater_pressure_drop_Pa": 100000.0,
          "turbine_inlet_K": 450.0,
          "maximum_flow_kgs": 0.75,
          "flow_slew_kgs2": 0.2,
          "initial_liquid_kg": 20.0,
          "preparation_boiloff_kg": 2.0,
          "hold_up_kg": 1.0,
          "tank_heat_leak_W": 10.0,
          "preparation_standby_s": 6.0,
          "hot_metal_kg": 17.0,
          "hot_metal_cp_JkgK": 500.0,
          "primary_metal_fraction": 0.342,
          "hot_ambient_UA_WK": 10.0,
          "engine_coolant_capacity_JK": 140000.0,
          "engine_coolant_limit_K": 363.15,
          "engine_coolant_HX_UA_WK": 3000.0,
          "battery_HX_UA_WK": 1500.0,
          "battery_to_coolant_UA_WK": 2000.0,
          "battery_coolant_K": 293.15,
          "battery_minimum_C": 25.0,
          "mechanical_coupling_efficiency": 0.95,
          "mechanical_coupling_shaft_ceiling_W": 260000.0,
          "generator_shaft_ceiling_W": 180000.0,
          "fixed_auxiliary_DC_W": 2000.0,
          "minimum_hot_approach_K": 20.0,
          "minimum_coolant_approach_K": 10.0,
          "flow_acceptance_delay_s": 1.0,
          "standby_hot_wall_target_K": 580.0,
          "standby_balanced_split": true,
          "scope": "Preliminary smooth-bank/turbine/gear/pump requirements. No measured installed map."
        },
        "route": "mechanical",
        "elapsed_s": 398.1649999993156,
        "remaining_liquid_kg": 16.979708152917357,
        "used_nitrogen_kg": 0.0,
        "standby_boiloff_kg": 0.019990606024155606,
        "wall_K": [
          293.15,
          293.15
        ],
        "engine_coolant_K": 363.15,
        "ledger": {
          "nitrogen_pump_shaft_J": 0.0,
          "nitrogen_turbine_shaft_J": 0.0,
          "nitrogen_enthalpy_change_J": 0.0,
          "battery_heat_J": 0.0,
          "engine_coolant_to_nitrogen_J": 0.0,
          "primary_heat_to_nitrogen_J": 0.0,
          "reheat_to_nitrogen_J": 0.0,
          "exhaust_to_metal_J": 0.0,
          "metal_to_ambient_J": 0.0,
          "engine_coolant_heat_input_J": 26261829.115047164,
          "radiator_rejection_J": 16461829.115067817,
          "pump_DC_J": 0.0,
          "blower_DC_J": 0.0,
          "controls_DC_J": 1990.8250000034832,
          "coupling_heat_J": 0.0,
          "useful_mechanical_J": 0.0,
          "generator_DC_J": 0.0,
          "rejected_shaft_J": 0.0,
          "fuel_J": 131309145.57523574,
          "engine_shaft_J": 24450926.58407536,
          "exhaust_in_sensible_J": 17683095.939979367,
          "exhaust_out_sensible_J": 17683095.939979367,
          "blower_shaft_J": 0.0
        },
        "peaks": {
          "flow_kgs": 0.0,
          "drive_mechanical_W": 0.0,
          "net_electrical_W": 0.0,
          "gross_DC_W": 5.0,
          "wall_K": 293.15,
          "coolant_K": 363.15,
          "battery_heat_W": 0.0
        },
        "residuals": {
          "nitrogen_J": 0.0,
          "hot_metal_J": 0.0,
          "engine_coolant_J": 2.065300941467285e-05,
          "exhaust_J": 0.0,
          "mass_kg": 2.488285619217656e-11
        },
        "limits": [
          "The same finite nitrogen mass receives all three heat inputs once. Cold preparation and hold-up are separately debited.",
          "The engine coolant and both exhaust cores start at ambient; their stored heat comes from the same simulated engine.",
          "Correlations, pressure containment, pump cavitation, expander maps and the speed-matched mechanical coupling require qualification.",
          "This component model does not by itself establish a whole-vehicle performance score."
        ]
      },
      "cold_loop_replaced_not_added": true
    }
  },
  "warmup": {
    "duration_s": 360.0,
    "fuel_energy_J": 54000000.0,
    "fuel_mass_kg_at_43MJkg": 1.255813953488372,
    "pack_DC_J": 1126797.7799121293,
    "ordinary_controls_DC_W": 1052.6315789473686,
    "initial_pack_state": {
      "ns": 216,
      "np": 11,
      "n": 2376,
      "cell_mass": 0.071,
      "mass": 227.73960000000002,
      "Rbase": 0.016,
      "R": 0.016,
      "capacity_Ah": 4.85,
      "soc": 0.6,
      "initial_soc": 0.6,
      "ocv_offset": 0.0,
      "ocv": 3.77,
      "Emin": 2.5,
      "Emax": 4.2,
      "eta": 0.97,
      "window": 12800000.0,
      "window_cap": 12800000.0,
      "chemical": 16000000.0,
      "chemical_cap": 16000000.0,
      "temperature": 25.0,
      "heat": 0.0,
      "converter_heat": 0.0,
      "node_work": 0.0,
      "residual": 0.0,
      "max_cell_current": 0.0,
      "max_cell_voltage": 0.0,
      "min_cell_voltage": 9.0,
      "bus_charge_limit": 825.0,
      "minimum_soc": 0.6,
      "maximum_soc": 0.6,
      "cooling_J": 0.0
    },
    "final_pack_state": {
      "ns": 216,
      "np": 11,
      "n": 2376,
      "cell_mass": 0.071,
      "mass": 227.73960000000002,
      "Rbase": 0.016,
      "R": 0.016,
      "capacity_Ah": 4.85,
      "soc": 0.592553001644668,
      "initial_soc": 0.6,
      "ocv_offset": 0.0,
      "ocv": 3.761808301809135,
      "Emin": 2.5,
      "Emax": 4.2,
      "eta": 0.97,
      "window": 11673202.220091224,
      "window_cap": 12800000.0,
      "chemical": 14836567.488265395,
      "chemical_cap": 16000000.0,
      "temperature": 25.011758929609535,
      "heat": 1785.3159504500784,
      "converter_heat": 34849.41587357286,
      "node_work": 1126797.7799121293,
      "residual": -1.5521185900979617e-06,
      "max_cell_current": 0.36157382913232244,
      "max_cell_voltage": 3.764226857806247,
      "min_cell_voltage": 3.756023690032153,
      "bus_charge_limit": 825.0,
      "minimum_soc": 0.592553001644668,
      "maximum_soc": 0.6,
      "cooling_J": 0.0
    },
    "initial_hot_metal_K": 293.15,
    "final_hot_metal_K": [
      574.5732373904955,
      574.7827023006462
    ],
    "engine_coolant_K": 363.15,
    "basis": "Declared stationary high-idle heat-source requirement: 150 kW fuel, 650 K post-turbo gas, zero useful shaft output. No measured idle engine map."
  },
  "sprint_end_pack": {
    "series_cells": 216,
    "parallel_cells": 11,
    "pack_mass_target_kg": 227.73960000000002,
    "chemical_window_initial_J": 16000000.0,
    "chemical_remaining_J": 3263086.7323491722,
    "DC_exchange_window_initial_J": 12800000.0,
    "DC_exchange_window_remaining_J": 2381012.671509142,
    "node_net_work_J": 10418987.328494104,
    "cell_Joule_heat_J": 1995689.21765621,
    "converter_loss_heat_J": 322236.7214998225,
    "cell_temperature_C": 34.682282661906456,
    "maximum_cell_current_A": 45.28849814360697,
    "minimum_cell_voltage_V": 2.967151219775576,
    "maximum_cell_voltage_V": 3.764226857806247,
    "energy_residual_J": 5.648592926732476e-07,
    "initial_SOC": 0.6,
    "final_SOC": 0.5175697746404893,
    "minimum_SOC": 0.5175697746404893,
    "maximum_SOC": 0.6,
    "OCV_at_final_SOC_V": 3.6793267521045383,
    "OCV_proxy_offset_V": 0.0,
    "DC_resistance_ohm_upper_target": 0.016,
    "final_DC_resistance_ohm": 0.016,
    "physical_chemical_store_remaining_J_proxy": 70139665.57234916,
    "minimum_pack_capacity_kWh": 41.58,
    "timed_event_cooling_credit_J": 525663.0973164708,
    "classification": "Finite SOC/voltage/heat requirements model. OCV proxy, resistance and automotive pack qualification remain unmeasured targets.",
    "cell_thermal_energy_residual_J": -6.507616490125656e-08,
    "resource_basis": "MATCHED_16MJ_CHEMICAL_12_8MJ_DC"
  },
  "sprint_end_recovery": {
    "physical_measurements": 0,
    "classification": "FINITE_CASCADE_AND_COUPLING_REQUIREMENTS_NOT_QUALIFIED_HARDWARE",
    "configuration": {
      "pressure_Pa": 10000000.0,
      "pump_pressure_Pa": 11000000.0,
      "reheater_pressure_drop_Pa": 100000.0,
      "turbine_inlet_K": 450.0,
      "maximum_flow_kgs": 0.75,
      "flow_slew_kgs2": 0.2,
      "initial_liquid_kg": 20.0,
      "preparation_boiloff_kg": 2.0,
      "hold_up_kg": 1.0,
      "tank_heat_leak_W": 10.0,
      "preparation_standby_s": 6.0,
      "hot_metal_kg": 17.0,
      "hot_metal_cp_JkgK": 500.0,
      "primary_metal_fraction": 0.342,
      "hot_ambient_UA_WK": 10.0,
      "engine_coolant_capacity_JK": 140000.0,
      "engine_coolant_limit_K": 363.15,
      "engine_coolant_HX_UA_WK": 3000.0,
      "battery_HX_UA_WK": 1500.0,
      "battery_to_coolant_UA_WK": 2000.0,
      "battery_coolant_K": 293.15,
      "battery_minimum_C": 25.0,
      "mechanical_coupling_efficiency": 0.95,
      "mechanical_coupling_shaft_ceiling_W": 260000.0,
      "generator_shaft_ceiling_W": 180000.0,
      "fixed_auxiliary_DC_W": 2000.0,
      "minimum_hot_approach_K": 20.0,
      "minimum_coolant_approach_K": 10.0,
      "flow_acceptance_delay_s": 1.0,
      "standby_hot_wall_target_K": 580.0,
      "standby_balanced_split": true,
      "scope": "Preliminary smooth-bank/turbine/gear/pump requirements. No measured installed map."
    },
    "route": "mechanical",
    "elapsed_s": 400.62999999925734,
    "remaining_liquid_kg": 5.23445168145772,
    "used_nitrogen_kg": 11.745132711624699,
    "standby_boiloff_kg": 0.02011436588212505,
    "wall_K": [
      543.5210410201943,
      470.04457165457603
    ],
    "engine_coolant_K": 363.15,
    "ledger": {
      "nitrogen_pump_shaft_J": 226857.4265781256,
      "nitrogen_turbine_shaft_J": 3638090.4362097406,
      "nitrogen_enthalpy_change_J": 5135524.82497979,
      "battery_heat_J": 525663.0973164708,
      "engine_coolant_to_nitrogen_J": 4524049.779221321,
      "primary_heat_to_nitrogen_J": 1587448.7283735478,
      "reheat_to_nitrogen_J": 1909596.2296997367,
      "exhaust_to_metal_J": 6012491.034454514,
      "metal_to_ambient_J": 798246.1208716093,
      "engine_coolant_heat_input_J": 23951044.910618402,
      "radiator_rejection_J": 9626995.131414251,
      "pump_DC_J": 252063.807309029,
      "blower_DC_J": 100095.6901144624,
      "controls_DC_J": 801260.0,
      "coupling_heat_J": 181904.52181048197,
      "useful_mechanical_J": 3120307.2881393656,
      "generator_DC_J": 0.0,
      "rejected_shaft_J": 335878.62625985517,
      "fuel_J": 119755224.55309364,
      "engine_shaft_J": 20753671.85698969,
      "exhaust_in_sensible_J": 16054404.073154192,
      "exhaust_out_sensible_J": 10131999.159801865,
      "blower_shaft_J": 90086.12110301908
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    "peaks": {
      "flow_kgs": 0.75,
      "drive_mechanical_W": 220699.03333095674,
      "net_electrical_W": 0.0,
      "gross_DC_W": 20673.72353110933,
      "wall_K": 575.1597460712725,
      "coolant_K": 363.15,
      "battery_heat_W": 27963.375875055248
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    "residuals": {
      "nitrogen_J": -3.2782554626464844e-07,
      "hot_metal_J": 1.280568540096283e-07,
      "engine_coolant_J": 1.7171725630760193e-05,
      "exhaust_J": 8.326023817062378e-07,
      "mass_kg": 1.8518103717113377e-12
    },
    "limits": [
      "The same finite nitrogen mass receives all three heat inputs once. Cold preparation and hold-up are separately debited.",
      "The engine coolant and both exhaust cores start at ambient; their stored heat comes from the same simulated engine.",
      "Correlations, pressure containment, pump cavitation, expander maps and the speed-matched mechanical coupling require qualification.",
      "This component model does not by itself establish a whole-vehicle performance score."
    ]
  },
  "separate_speed_event": {
    "physical_measurements": 0,
    "classification": "CARRIED_STATE_DEVELOPMENT_REQUIREMENTS_NOT_SELECTED_PERFORMANCE",
    "label": "physical-speed-track-v1-hp-coupled",
    "configuration": {
      "physical_measurements": 0,
      "status": "DEVELOPMENT_NOT_SELECTED",
      "job": {
        "name": "P4.6-development",
        "floor_area_m2": 4.138299999999999,
        "floor_perimeter_m": 8.26,
        "tray_extra_kg": 25.0,
        "cold_metal_kg": 4.0,
        "allocation": "torque-aware",
        "fan_installed_kg": 190.0,
        "drive_allowance_kg": 125.0,
        "drive_mode": "catalogue",
        "input_inertia_kgm2": 0.15,
        "cell_resistance_ohm": 0.016,
        "parallel": 11,
        "preconditioning_s": 6.0,
        "pack_bus_charge_target_V": 825.0,
        "blower_design_rpm": 6700.0,
        "launch_energy_guard": true,
        "launch_chemical_reserve_J": 600000.0,
        "launch_DC_reserve_J": 100000.0,
        "energy_supervisor": false,
        "supervisor_gain_W_MJ": 600000.0,
        "supervisor_deadband_J": 25000.0,
        "supervisor_forecast_exponent": 5.0,
        "supervisor_minimum_W": 250000.0,
        "supervisor_start_kmh": 200.0,
        "brake_floor_low_N": 43000.0,
        "brake_floor_high_N": 28500.0,
        "launch_floor_N": 43000.0,
        "dynamic_brake_floor": true,
        "brake_floor_inertia_kgm2": 0.2314285714285714,
        "battery_model": "soc",
        "initial_soc": 0.6,
        "vehicle_half_width_m": 1.17,
        "unified_floor": true,
        "layout_mass_model": true,
        "layout_force_geometry": true,
        "floor_manifold_volume_m3": 0.4,
        "floor_duct_total_area_m2": 0.072,
        "floor_duct_loss_K": 4.5,
        "floor_bank_location": "front",
        "new_main_air_geometry": true,
        "main_duct_loss_K": 0.4,
        "CdA": 0.65,
        "thermal_model": "two-zone",
        "thermal_hot_metal_kg": 8.5,
        "thermal_hot_UA_WK": 1200.0,
        "thermal_dry_kg": 64.0,
        "thermal_hold_up_reserve_kg": 0.3,
        "thermal_startup_acceptance_delay_s": 2.0,
        "thermal_hot_gas_boiler_fraction": 0.7,
        "thermal_adaptive_diverter": true,
        "thermal_diverter_gain_per_K": 0.012,
        "direct_traction_bus": true,
        "main_rotor_startup_DC_J": 60000.0,
        "thermal_pump_discharge_Pa": 3120000.0,
        "thermal_exhaust_loss_Pa": 9500.0,
        "thermal_boiler_metal_fraction": 0.342,
        "thermal_dimensioned_hot_side": true,
        "chemical_exchange_window_J": 16000000.0,
        "DC_exchange_window_J": 12800000.0,
        "drive_envelope": "vendor-current-envelope",
        "upper_horizontal_force_height_m": 1.3,
        "mechanical_dt_s": 0.0005,
        "cold": false,
        "floor_feed_CG_height_m": 0.185,
        "floor_collector_CG_height_m": 0.65,
        "floor_feed_installed_kg": 28.0,
        "pack_CG_height_m": 0.3,
        "drive_current_limit_Arms": 500,
        "drive_ratio": 3.09,
        "stages": 9
      },
      "extra_parts": [
        {
          "name": "Dorsal passage skin at declared 1mm section offset",
          "mass_kg": 14.503,
          "x_from_front_axle_m": 1.5,
          "z_m": 1.3
        },
        {
          "name": "Dorsal machinery fairings valves containment and collector",
          "mass_kg": 35.0,
          "x_from_front_axle_m": 3.65,
          "z_m": 1.23
        },
        {
          "name": "Wider pressure deck extra reinforcement",
          "mass_kg": 15.0,
          "x_from_front_axle_m": 1.4,
          "z_m": 0.14
        },
        {
          "name": "Prepared nitrogen maximum wet inventory",
          "mass_kg": 20.0,
          "x_from_front_axle_m": 3.68,
          "z_m": 0.89
        },
        {
          "name": "Vacuum tank insulation cold valves",
          "mass_kg": 16.0,
          "x_from_front_axle_m": 3.68,
          "z_m": 0.89
        },
        {
          "name": "Battery and coolant preheaters with secondary loop",
          "mass_kg": 14.0,
          "x_from_front_axle_m": 2.8,
          "z_m": 0.7
        },
        {
          "name": "Liquid pump motor and drives",
          "mass_kg": 14.0,
          "x_from_front_axle_m": 3.4,
          "z_m": 0.8
        },
        {
          "name": "Two hot gas cores metal headers and enclosure",
          "mass_kg": 31.0,
          "x_from_front_axle_m": 4.05,
          "z_m": 0.475
        },
        {
          "name": "Two nitrogen expanders and containment",
          "mass_kg": 16.0,
          "x_from_front_axle_m": 4.13,
          "z_m": 0.85
        },
        {
          "name": "Speed matching gearbox clutch and shaft",
          "mass_kg": 22.0,
          "x_from_front_axle_m": 3.75,
          "z_m": 0.75
        },
        {
          "name": "Thermal pressure lines and mounts",
          "mass_kg": 6.0,
          "x_from_front_axle_m": 3.65,
          "z_m": 0.7
        },
        {
          "name": "Additional coolant inventory",
          "mass_kg": 6.0,
          "x_from_front_axle_m": 3.0,
          "z_m": 0.65
        },
        {
          "name": "Thermal control and harness",
          "mass_kg": 2.0,
          "x_from_front_axle_m": 3.0,
          "z_m": 0.5
        },
        {
          "name": "Changed traction gearing installation allowance",
          "mass_kg": 18.0,
          "x_from_front_axle_m": 2.15,
          "z_m": 0.48
        },
        {
          "name": "Larger calipers and thermal rotor allowance",
          "mass_kg": 16.0,
          "x_from_front_axle_m": 1.4,
          "z_m": 0.35,
          "intrinsic_Ixx_kgm2": 14.44,
          "intrinsic_Izz_kgm2": 45.8
        },
        {
          "name": "Higher capacity hydraulic supply",
          "mass_kg": 4.0,
          "x_from_front_axle_m": 1.3,
          "z_m": 0.35
        },
        {
          "name": "Springs and mounts for the combined load",
          "mass_kg": 4.0,
          "x_from_front_axle_m": 1.4,
          "z_m": 0.45
        },
        {
          "name": "100 bar pump mass increase",
          "mass_kg": 10.0,
          "x_from_front_axle_m": 3.4,
          "z_m": 0.8
        },
        {
          "name": "260 kW coupling mass increase",
          "mass_kg": 5.0,
          "x_from_front_axle_m": 3.75,
          "z_m": 0.75
        },
        {
          "name": "100 bar thicker headers and pressure lines",
          "mass_kg": 5.0,
          "x_from_front_axle_m": 3.65,
          "z_m": 0.7
        }
      ],
      "upgrade": true,
      "track_prepared": true,
      "high_pressure": true,
      "mass_and_inertia": {
        "mass_kg": 3201.2426,
        "addition_mass_kg": 614.2066,
        "front_static_fraction": 0.4238420813753474,
        "CG_from_front_axle_m": 1.6132421721490273,
        "CG_height_m": 0.4862324336181207,
        "pitch_inertia_kgm2": 4720.450345145437,
        "roll_inertia_kgm2": 1235.276645721472,
        "yaw_inertia_kgm2": 6289.979542457781,
        "tyre_reference_loads_retained_N": [
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          4305.609,
          5479.866000000001,
          5479.866000000001
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      },
      "physical_pack_access": true,
      "recovery_enabled": true,
      "recovery_route": "mechanical",
      "recovery_hold_until_kmh": 470.0,
      "floor_to_main_join_in_event": "ISOLATED_INDEPENDENT_FLOOR_FALLBACK",
      "limits": [
        "Body CdA and route loss are requirements pending whole-vehicle and flow-envelope qualification.",
        "The floor-to-main shared-node saving is NOT credited by this independent-outlet event.",
        "The unchanged fitted effective engine curve is retained; engine/gearing beyond the original benchmark remain unqualified.",
        "All new masses are explicit unweighed budgets; every inherited allowance remains."
      ]
    },
    "launch_to_400_s": 32.21396646758865,
    "elapsed_after_400_s": 179.99999999998127,
    "dt_s": 0.01,
    "engine_only_equilibrium_kmh": 431.4518102438389,
    "peak_speed_kmh": 489.1405440303285,
    "peak_time_after_400_s": 145.37000000001277,
    "first_traction_boost_time_after_400_s": 61.36999999999636,
    "fresh_stores_at_400": false,
    "maximum_traction_motor_rpm": 8965.227694633724,
    "mechanical_energy_residual_J": 8.642673492431641e-07,
    "failure": null,
    "pack": {
      "series_cells": 216,
      "parallel_cells": 11,
      "pack_mass_target_kg": 227.73960000000002,
      "chemical_window_initial_J": 58473051.11999999,
      "chemical_remaining_J": 7927941.006338447,
      "DC_exchange_window_initial_J": 58473051.11999999,
      "DC_exchange_window_remaining_J": 18081338.123638768,
      "node_net_work_J": 40391712.99632271,
      "cell_Joule_heat_J": 8904168.880340729,
      "converter_loss_heat_J": 1249228.2369997785,
      "cell_temperature_C": 72.15203920840416,
      "maximum_cell_current_A": 45.45426910800421,
      "minimum_cell_voltage_V": 2.6276691918723762,
      "maximum_cell_voltage_V": 3.764226857806247,
      "energy_residual_J": -2.777826446198617e-06,
      "initial_SOC": 0.6,
      "final_SOC": 0.2586452245640022,
      "minimum_SOC": 0.2586452245640022,
      "maximum_SOC": 0.6,
      "OCV_at_final_SOC_V": 3.3172904491280044,
      "OCV_proxy_offset_V": 0.0,
      "DC_resistance_ohm_upper_target": 0.016,
      "final_DC_resistance_ohm": 0.01817216313667233,
      "physical_chemical_store_remaining_J_proxy": 32331468.726338446,
      "minimum_pack_capacity_kWh": 41.58,
      "timed_event_cooling_credit_J": 1745244.5146694516,
      "classification": "Finite SOC/voltage/heat requirements model. OCV proxy, resistance and automotive pack qualification remain unmeasured targets.",
      "cell_thermal_energy_residual_J": -4.239846020936966e-07,
      "resource_basis": "PHYSICAL_SOC_060_TO_020"
    },
    "services": {
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      "cold_enabled": false,
      "elapsed_drive_s": 218.21399999994642,
      "coolant_after_preparation_kg": 0.0,
      "coolant_remaining_kg": 0.0,
      "finite_warm_air_remaining_kg": 0.0,
      "service_gross_DC_J": 1678522.5124438773,
      "generated_DC_accepted_J": 0.0,
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      "camber_motion_DC_J": 0.0,
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      "peak_service_gross_W": 0.0,
      "peak_camber_tracking_error_deg": 0.0,
      "peak_hydraulic_flow_m3_s": 0.0,
      "hydraulic_travel_violation": false,
      "cold_bath_heat_J": 0.0,
      "cold_boiloff_during_drive_kg": 0.0,
      "warm_heat_input_J": 0.0,
      "no_extra_tyre_grip_assigned": true,
      "physical_measurements": 0,
      "thermal": {
        "physical_measurements": 0,
        "classification": "FINITE_CASCADE_AND_COUPLING_REQUIREMENTS_NOT_QUALIFIED_HARDWARE",
        "configuration": {
          "pressure_Pa": 10000000.0,
          "pump_pressure_Pa": 11000000.0,
          "reheater_pressure_drop_Pa": 100000.0,
          "turbine_inlet_K": 450.0,
          "maximum_flow_kgs": 0.75,
          "flow_slew_kgs2": 0.2,
          "initial_liquid_kg": 20.0,
          "preparation_boiloff_kg": 2.0,
          "hold_up_kg": 1.0,
          "tank_heat_leak_W": 10.0,
          "preparation_standby_s": 6.0,
          "hot_metal_kg": 17.0,
          "hot_metal_cp_JkgK": 500.0,
          "primary_metal_fraction": 0.342,
          "hot_ambient_UA_WK": 10.0,
          "engine_coolant_capacity_JK": 140000.0,
          "engine_coolant_limit_K": 363.15,
          "engine_coolant_HX_UA_WK": 3000.0,
          "battery_HX_UA_WK": 1500.0,
          "battery_to_coolant_UA_WK": 2000.0,
          "battery_coolant_K": 293.15,
          "battery_minimum_C": 25.0,
          "mechanical_coupling_efficiency": 0.95,
          "mechanical_coupling_shaft_ceiling_W": 260000.0,
          "generator_shaft_ceiling_W": 180000.0,
          "fixed_auxiliary_DC_W": 2000.0,
          "minimum_hot_approach_K": 20.0,
          "minimum_coolant_approach_K": 10.0,
          "flow_acceptance_delay_s": 1.0,
          "standby_hot_wall_target_K": 580.0,
          "standby_balanced_split": true,
          "scope": "Preliminary smooth-bank/turbine/gear/pump requirements. No measured installed map."
        },
        "route": "mechanical",
        "elapsed_s": 578.2139999991508,
        "remaining_liquid_kg": 0.0,
        "used_nitrogen_kg": 16.972241944114458,
        "standby_boiloff_kg": 0.027456814835225163,
        "wall_K": [
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        "engine_coolant_K": 363.15,
        "ledger": {
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          "nitrogen_turbine_shaft_J": 5257203.355123108,
          "nitrogen_enthalpy_change_J": 7421063.003680784,
          "battery_heat_J": 1745244.5146694516,
          "engine_coolant_to_nitrogen_J": 5551816.386488642,
          "primary_heat_to_nitrogen_J": 2293934.3942163982,
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          "exhaust_to_metal_J": 8880759.849075519,
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          "generator_DC_J": 0.0,
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          "exhaust_in_sensible_J": 85682103.35656105,
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        "peaks": {
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          "drive_mechanical_W": 220699.03333095674,
          "net_electrical_W": 0.0,
          "gross_DC_W": 21428.270321041393,
          "wall_K": 608.5169534771642,
          "coolant_K": 363.15,
          "battery_heat_W": 50000.0
        },
        "residuals": {
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          "hot_metal_J": 5.98374754190445e-08,
          "engine_coolant_J": 2.1323561668395996e-05,
          "exhaust_J": 5.662441253662109e-07,
          "mass_kg": 1.6712686790043563e-11
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        "limits": [
          "The same finite nitrogen mass receives all three heat inputs once. Cold preparation and hold-up are separately debited.",
          "The engine coolant and both exhaust cores start at ambient; their stored heat comes from the same simulated engine.",
          "Correlations, pressure containment, pump cavitation, expander maps and the speed-matched mechanical coupling require qualification.",
          "This component model does not by itself establish a whole-vehicle performance score."
        ]
      },
      "cold_loop_replaced_not_added": true
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    "ledger": {
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      "electric_wheel_J": 25662073.648601085,
      "thermal_wheel_J": 4994343.187366891,
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    "stop_half_step_difference_m": -0.22770340711804238,
    "launch_mechanical_residual_J": 9.646100807003677e-08,
    "brake_mechanical_residual_J": 3.207242116332054e-07,
    "brake_pulse_residual_J": 3.220733901798667e-08,
    "pack_residual_J": 5.648592926732476e-07,
    "pack_thermal_residual_J": -6.507616490125656e-08,
    "recovery_residuals": {
      "nitrogen_J": -3.2782554626464844e-07,
      "hot_metal_J": 1.280568540096283e-07,
      "engine_coolant_J": 1.7171725630760193e-05,
      "exhaust_J": 8.326023817062378e-07,
      "mass_kg": 1.8518103717113377e-12
    },
    "disabled_feature_regression": "EXACT_DISABLED_FEATURE_REGRESSION_PASSES"
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  "geometry_clearance_scope": {
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    "classification": "NATIVE_INTEGRATED_LAYOUT_REQUIREMENTS_NOT_MANUFACTURING_OR_AERO_RELEASE",
    "flow_STEP": "p46-dorsal-cruise-envelope.step",
    "flow_STEP_SHA256": "2a5bec6ca597c685e89497e7595193ddb1a838799c07862a2189e0e009f9642a",
    "fluid_STEP": "p46-dorsal-bypass-fluid.step",
    "fluid_STEP_SHA256": "13e0cf064eb2d4e965197c9d7ce21452bfbbf853fcfb1068403cc0901ca4d769",
    "layout_STEP": "p46-dorsal-layout.step",
    "layout_STEP_SHA256": "ba8bd00cfe8bfe8b9aed596b0155a974e9d23d04ce35d1f595b53c889bb083d8",
    "main_airway_stations": [
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    "required_main_normal_area_m2": 0.17671458676442586,
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    "skin_mass_at_1600kg_m3_kg": 14.502950424209438,
    "floor_area_after_retained_obstruction_allowance_m2": 4.138299999999999,
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        "pair": "occupied-cabin / protected main passage",
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        "pair": "nitrogen-expanders / protected main passage",
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      {
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      {
        "axle_m": 1.0,
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      {
        "axle_m": 1.0,
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        "steer_deg": 20.0,
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        "distance_m": 0.46622451722968244,
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      {
        "axle_m": 1.0,
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        "distance_m": 0.04451265800448085,
        "clear_15mm": true
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      {
        "axle_m": 1.0,
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        "distance_m": 0.47383533423105795,
        "clear_15mm": true
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      {
        "axle_m": 1.0,
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        "steer_deg": 30.0,
        "target": "wider-pressure-deck",
        "distance_m": 0.04584087581850595,
        "clear_15mm": true
      },
      {
        "axle_m": 3.8,
        "side": -1,
        "steer_deg": 0.0,
        "target": "dorsal-airway",
        "distance_m": 0.5760811498277559,
        "clear_15mm": true
      },
      {
        "axle_m": 3.8,
        "side": -1,
        "steer_deg": 0.0,
        "target": "wider-pressure-deck",
        "distance_m": 0.0637812666921867,
        "clear_15mm": true
      },
      {
        "axle_m": 3.8,
        "side": 1,
        "steer_deg": 0.0,
        "target": "dorsal-airway",
        "distance_m": 0.5760811498277556,
        "clear_15mm": true
      },
      {
        "axle_m": 3.8,
        "side": 1,
        "steer_deg": 0.0,
        "target": "wider-pressure-deck",
        "distance_m": 0.0637812666921867,
        "clear_15mm": true
      }
    ],
    "all_declared_component_clearances_pass": true,
    "all_declared_wheel_clearances_pass": true,
    "limits": [
      "The air-machine boxes are allocations. Powered-mode flow, rotors, side-valves, containment and cooling are unresolved.",
      "The floor-to-main port needs pressure matching, complete valve geometry and a transient; the separate steady node model is not that qualification.",
      "The wider deck keeps a previous obstruction-area allowance for comparison; seal corners and supports still need a manufacturing/pressure model.",
      "Roof/frontal-area growth is a drag penalty to measure, not a free lower-loss benefit.",
      "No new CdA or duct K is earned by this layout."
    ],
    "elapsed_s_before_display_mesh": 29.6566903591156,
    "GLB": "p46-dorsal-layout.glb",
    "GLB_bytes": 2434336,
    "GLB_SHA256": "5ebe1ac4630dd02d46cd71891a22f383b4e414982c946232720813c6e7d961cf",
    "elapsed_s": 31.65156579017639
  },
  "CFD_status": "UNDER_REVIEW",
  "limits": [
    "No physical measurements. No accepted new exterior drag coefficient or installed duct-loss map.",
    "The 4.5 MW brake package, material stress, tyre behaviour, complete structure and installed thermal/drive maps remain qualification targets.",
    "The speed mode uses a different controller and usable battery window. Its peak is not paired with the quickest sprint.",
    "The warmup engine fuel/exhaust source is declared, not a measured idle map. Warmup and prelaunch nitrogen use are included.",
    "The calibrated tyre/reference-power assumptions are not independent validation against a measured Chiron powertrain."
  ]
}
