AecUnits (Design Modeling Units) Schema
Alias: AECU
Version: 1.0.3
This contains the unit definitions that are use across AE Schemas
Table of contents
- Kind Of Quantities
- ACCELERATION
- ANGLE
- ANGULAR_VELOCITY
- AREA
- AREA_FORCE
- AREA_FORCE_LARGE
- AREA_FORCE_SMALL
- AREA_LARGE
- AREA_MOMENT
- AREA_MOMENT_LARGE
- AREA_MOMENT_SMALL
- AREA_SMALL
- AREA_SPRING_CONSTANT
- CURRENT
- DENSITY
- DYNAMIC_VISCOSITY
- ELECTRIC_POTENTIAL
- ENERGY
- FLOW
- FORCE
- FORCE_DENSITY
- FORCE_LARGE
- FORCE_SMALL
- FREQUENCY
- HEAT_TRANSFER
- ILLUMINANCE
- LENGTH
- LENGTH_LONG
- LENGTH_SHORT
- LINEAR_DENSITY
- LINEAR_FORCE
- LINEAR_FORCE_LARGE
- LINEAR_FORCE_SMALL
- LINEAR_MOMENT
- LINEAR_MOMENT_LARGE
- LINEAR_MOMENT_SMALL
- LINEAR_ROTATIONAL_SPRING_CONSTANT
- LINEAR_SPRING_CONSTANT
- LIQUID_VOLUME
- LIQUID_VOLUME_LARGE
- LIQUID_VOLUME_SMALL
- LUMINOUS_FLUX
- LUMINOUS_INTENSITY
- MOMENT
- MOMENT_LARGE
- MOMENT_OF_INERTIA
- MOMENT_SMALL
- POWER
- PRESSURE
- PRESSURE_GRADIENT
- PROBABILITY
- PROCESS_PIPING_FLOW
- PROCESS_PIPING_PRESSURE
- PROCESS_PIPING_TEMPERATURE
- ROTATIONAL_SPRING_CONSTANT
- SPECIFIC_HEAT_CAPACITY
- SPECIFIC_HEAT_OF_VAPORIZATION
- SPRING_CONSTANT
- TEMPERATURE
- THERMAL_CONDUCTIVITY
- THERMAL_EXPANSION_COEFFICIENT
- THERMAL_RESISTANCE
- TIME
- VELOCITY
- VOLUME
- VOLUME_LARGE
- VOLUME_SMALL
- WARPING_CONSTANT
- WEIGHT
Kind Of Quantities
ACCELERATION (Acceleration) KindOfQuantity 
Relative Error: 0.001
Persistence Unit: M_PER_SEC_SQ
Presentation Formats
- DefaultRealU(4) [ M_PER_SEC_SQ ]
- DefaultRealU(4) [ CM_PER_SEC_SQ ]
- DefaultRealU(4) [ FT_PER_SEC_SQ ]
ANGLE (Angle) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: RAD
Presentation Formats
- DefaultRealU(2) [ ARC_DEG ]
- AngleDMS
ANGULAR_VELOCITY (Angular Velocity) KindOfQuantity
Relative Error: 0.001
Persistence Unit: RAD_PER_SEC
Presentation Formats
- DefaultRealU(4) [ RAD_PER_SEC ]
- DefaultRealU(4) [ DEG_PER_SEC ]
- DefaultRealU(4) [ RPM ]
AREA (Area) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: SQ_M
Presentation Formats
- DefaultRealU(4) [ SQ_M ]
- DefaultRealU(4) [ SQ_FT ]
AREA_FORCE (Area Force) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: PA
Presentation Formats
- DefaultRealU(4) [ KILOPASCAL ]
- DefaultRealU(4) [ PSF ]
AREA_FORCE_LARGE (Area Force Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: PA
Presentation Formats
- DefaultRealU(4) [ MEGAPASCAL ]
- DefaultRealU(4) [ KSF ]
AREA_FORCE_SMALL (Area Force Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: PA
Presentation Formats
- DefaultRealU(2) [ PA ]
- DefaultRealU(4) [ PSF ]
AREA_LARGE (Large Area) KindOfQuantity
Relative Error: 0.01
Persistence Unit: SQ_M
Presentation Formats
- DefaultRealU(4) [ SQ_KM ]
- DefaultRealU(4) [ SQ_MILE ]
AREA_MOMENT (Area Moment) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M_PER_SQ_M
Presentation Formats
- DefaultRealU(4) [ KN_M_PER_SQ_M ]
- DefaultRealU(4) [ LBF_FT_PER_SQ_FT ]
AREA_MOMENT_LARGE (Area Moment Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: N_M_PER_SQ_M
Presentation Formats
- DefaultRealU(4) [ MEGAN_M_PER_SQ_M ]
- DefaultRealU(4) [ KPF_FT_PER_SQ_FT ]
AREA_MOMENT_SMALL (Area Moment Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M_PER_SQ_M
Presentation Formats
- DefaultRealU(4) [ N_M_PER_SQ_M ]
- DefaultRealU(4) [ LBF_IN_PER_SQ_IN ]
AREA_SMALL (Small Area) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: SQ_M
Presentation Formats
- DefaultRealU(2) [ SQ_MM ]
- DefaultRealU(4) [ SQ_IN ]
AREA_SPRING_CONSTANT (Area Spring Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: AREA_SPRING_CONSTANT_N_PER_CUB_M
Presentation Formats
CURRENT (Current) KindOfQuantity
Relative Error: 0.001
Persistence Unit: A
Presentation Formats
- DefaultRealU(4) [ A ]
- DefaultRealU(4) [ KILOAMPERE ]
DENSITY (Density) KindOfQuantity
Relative Error: 0.001
Persistence Unit: KG_PER_CUB_M
Presentation Formats
- DefaultRealU(4) [ KG_PER_CUB_M ]
- DefaultRealU(4) [ LBM_PER_CUB_FT ]
- DefaultRealU(4) [ G_PER_CUB_CM ]
- DefaultRealU(4) [ LBM_PER_CUB_IN ]
- DefaultRealU(4) [ KIP_PER_CUB_FT ]
DYNAMIC_VISCOSITY (Dynamic Viscosity) KindOfQuantity
Relative Error: 0.001
Persistence Unit: PA_S
Presentation Formats
- DefaultRealU(4) [ PA_S ]
- DefaultRealU(4) [ POISE ]
- DefaultRealU(4) [ CENTIPOISE ]
- DefaultRealU(4) [ LBM_PER_FT_S ]
ELECTRIC_POTENTIAL (Electric Potential) KindOfQuantity
Relative Error: 0.001
Persistence Unit: VOLT
Presentation Formats
- DefaultRealU(4) [ VOLT ]
- DefaultRealU(4) [ KILOVOLT ]
- DefaultRealU(4) [ MEGAVOLT ]
ENERGY (Energy) KindOfQuantity
Relative Error: 0.001
Persistence Unit: J
Presentation Formats
- DefaultRealU(4) [ J ]
- DefaultRealU(4) [ KJ ]
- DefaultRealU(4) [ BTU ]
- DefaultRealU(4) [ KWH ]
FLOW (Flow Rate) KindOfQuantity
Relative Error: 0.00001
Persistence Unit: CUB_M_PER_SEC
Presentation Formats
- DefaultRealU(4) [ LITRE_PER_MIN ]
- DefaultRealU(4) [ CUB_FT_PER_MIN ]
- DefaultRealU(4) [ GALLON_PER_MIN ]
FORCE (Force) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N
Presentation Formats
- DefaultRealU(4) [ KN ]
- DefaultRealU(4) [ LBF ]
FORCE_DENSITY (Force Density) KindOfQuantity
Relative Error: 0.001
Persistence Unit: N_PER_CUB_M
Presentation Formats
- DefaultRealU(4) [ N_PER_CUB_M ]
- DefaultRealU(4) [ KN_PER_CUB_M ]
- DefaultRealU(4) [ N_PER_CUB_FT ]
- DefaultRealU(4) [ KN_PER_CUB_FT ]
FORCE_LARGE (Force Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: N
Presentation Formats
- DefaultRealU(4) [ MEGAN ]
- DefaultRealU(4) [ KPF ]
FORCE_SMALL (Force Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N
Presentation Formats
- DefaultRealU(2) [ N ]
- DefaultRealU(4) [ LBF ]
FREQUENCY (Frequency) KindOfQuantity
Relative Error: 0.001
Persistence Unit: HZ
Presentation Formats
- DefaultRealU(4) [ HZ ]
- DefaultRealU(4) [ KHZ ]
- DefaultRealU(4) [ MHZ ]
HEAT_TRANSFER (Heat Transfer) KindOfQuantity
Relative Error: 0.001
Persistence Unit: W_PER_SQ_M_K
Presentation Formats
- DefaultRealU(4) [ W_PER_SQ_M_K ]
- DefaultRealU(4) [ W_PER_SQ_M_CELSIUS ]
- DefaultRealU(4) [ BTU_PER_SQ_FT_HR_FAHRENHEIT ]
ILLUMINANCE (Illuminance) KindOfQuantity
Relative Error: 0.001
Persistence Unit: LUX
Presentation Formats
- DefaultRealU(4) [ LUX ]
- DefaultRealU(4) [ LUMEN_PER_SQ_FT ]
LENGTH (Length) KindOfQuantity
Relative Error: 0.00001
Persistence Unit: M
Presentation Formats
- DefaultRealU(4) [ M ]
- DefaultRealU(4) [ MM ]
- AmerFI
- AmerFI(16)
- DefaultRealU(4) [ FT ]
LENGTH_LONG (Long Length) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: M
Presentation Formats
- DefaultRealU(4) [ KM ]
- DefaultRealU(4) [ M ]
- AmerFI
- AmerFI(16)
- DefaultRealU(4) [ FT ]
LENGTH_SHORT (Short Length) KindOfQuantity
Relative Error: 0.01
Persistence Unit: M
Presentation Formats
- DefaultRealU(2) [ MM ]
- DefaultRealU(4) [ CM ]
- AmerFI
- AmerFI(16)
- DefaultRealU(4) [ IN ]
LINEAR_DENSITY (Linear Density) KindOfQuantity
Relative Error: 0.001
Persistence Unit: KG_PER_M
Presentation Formats
- DefaultRealU(4) [ KG_PER_M ]
- DefaultRealU(4) [ KG_PER_MM ]
- DefaultRealU(4) [ LBM_PER_FT ]
LINEAR_FORCE (Linear Force) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_PER_M
Presentation Formats
- DefaultRealU(4) [ KN_PER_M ]
- DefaultRealU(4) [ LBF_PER_FT ]
LINEAR_FORCE_LARGE (Linear Force Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: N_PER_M
Presentation Formats
- DefaultRealU(4) [ MEGAN_PER_M ]
- DefaultRealU(4) [ KPF_PER_FT ]
LINEAR_FORCE_SMALL (Linear Force Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_PER_M
Presentation Formats
- DefaultRealU(2) [ N_PER_M ]
- DefaultRealU(4) [ LBF_PER_FT ]
LINEAR_MOMENT (Linear Moment) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M_PER_M
Presentation Formats
- DefaultRealU(4) [ KN_M_PER_M ]
- DefaultRealU(4) [ LBF_FT_PER_FT ]
LINEAR_MOMENT_LARGE (Linear Moment Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: N_M_PER_M
Presentation Formats
- DefaultRealU(4) [ MEGAN_M_PER_M ]
- DefaultRealU(4) [ KPF_FT_PER_FT ]
LINEAR_MOMENT_SMALL (Linear Moment Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M_PER_M
Presentation Formats
- DefaultRealU(4) [ N_M_PER_M ]
- DefaultRealU(4) [ LBF_FT_PER_FT ]
LINEAR_ROTATIONAL_SPRING_CONSTANT (Linear Rotational Spring Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: N_PER_RAD
Presentation Formats
- DefaultRealU(4) [ N_PER_RAD ]
- DefaultRealU(4) [ KN_PER_RAD ]
- DefaultRealU(4) [ KPF_PER_RAD ]
LINEAR_SPRING_CONSTANT (Linear Spring Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: LINEAR_SPRING_CONSTANT_N_PER_SQ_M
Presentation Formats
LIQUID_VOLUME (Liquid Volume) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ LITRE ]
- DefaultRealU(4) [ GALLON ]
LIQUID_VOLUME_LARGE (Liquid Large Volume) KindOfQuantity
Relative Error: 0.01
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ THOUSAND_LITRE ]
- DefaultRealU(4) [ THOUSAND_GALLON ]
LIQUID_VOLUME_SMALL (Liquid Small Volume) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ LITRE ]
- DefaultRealU(4) [ GALLON ]
LUMINOUS_FLUX (Luminous Flux) KindOfQuantity
LUMINOUS_INTENSITY (Luminous Intensity) KindOfQuantity
MOMENT (Moment) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M
Presentation Formats
- DefaultRealU(4) [ KN_M ]
- DefaultRealU(4) [ LBF_FT ]
MOMENT_LARGE (Moment Large) KindOfQuantity
Relative Error: 0.01
Persistence Unit: N_M
Presentation Formats
- DefaultRealU(4) [ MEGAN_M ]
- DefaultRealU(4) [ KPF_FT ]
MOMENT_OF_INERTIA (Moment Of Inertia) KindOfQuantity
Relative Error: 0.001
Persistence Unit: M_TO_THE_FOURTH
Presentation Formats
- DefaultRealU(4) [ M_TO_THE_FOURTH ]
- DefaultRealU(4) [ MM_TO_THE_FOURTH ]
- DefaultRealU(4) [ CM_TO_THE_FOURTH ]
- DefaultRealU(4) [ IN_TO_THE_FOURTH ]
- DefaultRealU(4) [ FT_TO_THE_FOURTH ]
MOMENT_SMALL (Moment Small) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: N_M
Presentation Formats
- DefaultRealU(2) [ N_M ]
- DefaultRealU(4) [ LBF_FT ]
POWER (Power) KindOfQuantity
Relative Error: 0.001
Persistence Unit: W
Presentation Formats
- DefaultRealU(4) [ W ]
- DefaultRealU(4) [ KW ]
- DefaultRealU(4) [ MEGAW ]
- DefaultRealU(4) [ BTU_PER_HR ]
- DefaultRealU(4) [ KILOBTU_PER_HR ]
- DefaultRealU(4) [ HP ]
PRESSURE (Pressure) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: PA
Presentation Formats
- DefaultRealU(4) [ PA ]
- DefaultRealU(4) [ PSIG ]
- DefaultRealU(4) [ PSI ]
PRESSURE_GRADIENT (Pressure Gradient) KindOfQuantity
Relative Error: 0.001
Persistence Unit: PA_PER_M
Presentation Formats
- DefaultRealU(4) [ PA_PER_M ]
- DefaultRealU(4) [ BAR_PER_KM ]
PROBABILITY (Probability) KindOfQuantity
Relative Error: 0.001
Persistence Unit: PROBABILITY_FRACTION
Presentation Formats
- DefaultRealU(2) [ PROBABILITY_PERCENT ]
PROCESS_PIPING_FLOW (Process Piping Flow Rate) KindOfQuantity
Relative Error: 0.00001
Persistence Unit: CUB_M_PER_SEC
Presentation Formats
- DefaultRealU(4) [ LITRE_PER_MIN ]
- DefaultRealU(4) [ CUB_FT_PER_MIN ]
- DefaultRealU(4) [ GALLON_PER_MIN ]
PROCESS_PIPING_PRESSURE (Process Piping Pressure) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: PA
Presentation Formats
- DefaultRealU(4) [ PA ]
- DefaultRealU(4) [ PSIG ]
- DefaultRealU(4) [ PSI ]
PROCESS_PIPING_TEMPERATURE (Process Piping Temperature) KindOfQuantity
Relative Error: 0.01
Persistence Unit: K
Presentation Formats
- DefaultRealU(2) [ CELSIUS ]
- DefaultRealU(2) [ FAHRENHEIT ]
- DefaultRealU(4) [ K ]
ROTATIONAL_SPRING_CONSTANT (Rotational Spring Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: N_M_PER_RAD
Presentation Formats
- DefaultRealU(4) [ N_M_PER_RAD ]
- DefaultRealU(4) [ KN_M_PER_RAD ]
- DefaultRealU(4) [ KPF_FT_PER_RAD ]
SPECIFIC_HEAT_CAPACITY (Specific Heat Capacity) KindOfQuantity
Relative Error: 0.001
Persistence Unit: J_PER_KG_K
Presentation Formats
- DefaultRealU(4) [ J_PER_KG_K ]
- DefaultRealU(4) [ BTU_PER_LBM_RANKINE ]
SPECIFIC_HEAT_OF_VAPORIZATION (Specific Heat Of Vaporization) KindOfQuantity
Relative Error: 0.001
Persistence Unit: J_PER_KG
Presentation Formats
- DefaultRealU(4) [ J_PER_KG ]
- DefaultRealU(4) [ KJ_PER_KG ]
- DefaultRealU(4) [ BTU_PER_LBM ]
SPRING_CONSTANT (Spring Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: SPRING_CONSTANT_N_PER_M
Presentation Formats
TEMPERATURE (Temperature) KindOfQuantity
Relative Error: 0.01
Persistence Unit: K
Presentation Formats
- DefaultRealU(4) [ CELSIUS ]
- DefaultRealU(4) [ FAHRENHEIT ]
- DefaultRealU(4) [ K ]
THERMAL_CONDUCTIVITY (Thermal Conductivity) KindOfQuantity
Relative Error: 0.001
Persistence Unit: W_PER_M_K
Presentation Formats
- DefaultRealU(4) [ W_PER_M_K ]
- DefaultRealU(4) [ W_PER_M_C ]
- DefaultRealU(4) [ BTU_IN_PER_SQ_FT_HR_FAHRENHEIT ]
THERMAL_EXPANSION_COEFFICIENT (Thermal Expansion Coefficient) KindOfQuantity
Relative Error: 0.001
Persistence Unit: STRAIN_PER_KELVIN
Presentation Formats
- DefaultRealU(4) [ STRAIN_PER_KELVIN ]
- DefaultRealU(4) [ STRAIN_PER_CELSIUS ]
- DefaultRealU(4) [ STRAIN_PER_FAHRENHEIT ]
THERMAL_RESISTANCE (Thermal Resistance) KindOfQuantity
Relative Error: 0.001
Persistence Unit: SQ_M_KELVIN_PER_WATT
Presentation Formats
- DefaultRealU(4) [ SQ_M_KELVIN_PER_WATT ]
- DefaultRealU(4) [ SQ_M_CELSIUS_PER_WATT ]
- DefaultRealU(4) [ SQ_FT_HR_FAHRENHEIT_PER_BTU ]
TIME (Time) KindOfQuantity
Relative Error: 0.001
Persistence Unit: S
Presentation Formats
- DefaultRealU(4) [ S ]
- DefaultRealU(4) [ MIN ]
- DefaultRealU(4) [ HR ]
- DefaultRealU(4) [ DAY ]
- DefaultRealU(4) [ MS ]
VELOCITY (Velocity) KindOfQuantity
Relative Error: 0.001
Persistence Unit: M_PER_SEC
Presentation Formats
- DefaultRealU(4) [ M_PER_SEC ]
- DefaultRealU(4) [ FT_PER_SEC ]
- DefaultRealU(4) [ MPH ]
- DefaultRealU(4) [ KM_PER_HR ]
VOLUME (Volume) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ CUB_M ]
- DefaultRealU(4) [ CUB_FT ]
- DefaultRealU(4) [ CUB_YRD ]
VOLUME_LARGE (Large Volume) KindOfQuantity
Relative Error: 0.01
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ CUB_KM ]
- DefaultRealU(4) [ CUB_M ]
- DefaultRealU(4) [ CUB_YRD ]
- DefaultRealU(4) [ CUB_FT ]
VOLUME_SMALL (Small Volume) KindOfQuantity
Relative Error: 0.0001
Persistence Unit: CUB_M
Presentation Formats
- DefaultRealU(4) [ CUB_MM ]
- DefaultRealU(4) [ CUB_CM ]
- DefaultRealU(4) [ CUB_IN ]
- DefaultRealU(4) [ CUB_FT ]
WARPING_CONSTANT (Warping Constant) KindOfQuantity
Relative Error: 0.001
Persistence Unit: M_TO_THE_SIXTH
Presentation Formats
- DefaultRealU(4) [ M_TO_THE_SIXTH ]
- DefaultRealU(4) [ FT_TO_THE_SIXTH ]
WEIGHT (Weight) KindOfQuantity
Relative Error: 0.001
Persistence Unit: KG
Presentation Formats
- DefaultRealU(2) [ KG ]
- DefaultRealU(2) [ LBM ]
Last Updated: 10 June, 2025