Module units

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Module units#

Unit definitions

Add new units to end of file

??? example “View Source” “””Unit definitions

        Add new units to end of file

    """

    from rivtlib.unum.core import Unum

    from rivtlib.unum.core import new_unit

    import importlib.util

    import sys

    from pathlib import Path

    # from rivt.unum.core import *

    # from rivt.unum.utils import *

    # from rivt.unum.utils import uarray

    rvpath = importlib.util.find_spec("rivtlib")

    rivpath = Path(rvpath.origin).parent

    unumpath = Path(rivpath, "unum")

    sys.path.append(str(rivpath))

    sys.path.append(str(unumpath))

    

    # print(sys.path)

    # print(dir())

    Unum.set_format(

        mul_separator=" ",

        div_separator="",

        unit_format="%s",

        value_format="%.2f",

        unitless="",  # hide empty

        superscript=False,

        auto_norm=True

    )

    # standard SI units ==== DO NOT MODIFY BETWEEN DOUBLE LINES  ============

    #

    # temperature - relative degree size, not offset ------------------------

    K = new_unit("K", 0, "kelvin")

    CELSIUS = new_unit("deg C", K, "degree Celsius")

    FAHR = new_unit("degF", K * 9.0 / 5, "degree Fahrenheit")

    # time

    SEC = S = new_unit("s", 0, "second")

    HZ = new_unit("Hz", 1 / S, "hertz")

    # length

    M = new_unit("m", 0, "meter")

    NM = new_unit("nm", 10**-9 * M, "nanometer")

    UM = new_unit("um", 10**-6 * M, "micrometer")

    MM = new_unit("mm", 10**-3 * M, "millimeter")

    CM = new_unit("cm", 10**-2 * M, "centimeter")

    DM = new_unit("dm", 10**-1 * M, "decimeter")

    # mass

    KG = new_unit("kg", 0, "kilogram")

    GRAM = new_unit("gram", 10**-3 * KG, "gram")

    RAD = new_unit("rad", M / M, "radian")

    SR = new_unit("sr", M**2 / M**2, "steradian")

    MOL = new_unit("mol", 0, "mole")

    # force

    N = new_unit("N", M * KG / S**2, "newton")

    CD = new_unit("cd", 0, "candela")

    LM = new_unit("lm", CD * SR, "lumen")

    LX = new_unit("lx", LM / M**2, "lux")

    # charge

    J = new_unit("J", N * M, "joule")

    W = new_unit("W", J / S, "watt")

    A = new_unit("A", 0, "ampere")

    MA = new_unit("mA", 10**-3 * A, "milliampere")

    C = new_unit("C", S * A, "coulomb")

    VO = new_unit("V", W / A, "volt")

    F = new_unit("F", C / VO, "farad")

    OHM = new_unit("ohm", VO / A, "ohm")

    SIEMENS = new_unit("siemens", A / VO, "siemens")

    WB = new_unit("Wb", VO * SIEMENS, "weber")

    TS = new_unit("TS", WB / M**2, "tesla")

    HENRY = new_unit("H", WB / A, "henry")

    # ============  DO NOT MODIFY ABOVE THIS LINE  =============================

    #

    # metric --------------------------------

    #

    G = new_unit("G", 9.80665 * M / S**2, "gravity acceleration")

    # pressure

    PA = new_unit("Pa", N / M**2, "pascal")

    MPA = new_unit("MPa", PA * (10**6), "megapascals")

    KPA = new_unit("KPa", PA * (10**3), "kilopascals")

    # force

    KN = new_unit("KN", N * (10**3), "kilonewton")

    MN = new_unit("MN", N * (10**6), "meganewton")

    KM = new_unit("KM", M * (10**3), "kilometer")

    KNCM = new_unit("KNcM", KN / (M**3), "kilonewton per cubic meter")

    # area

    SM = new_unit("SM", (M**2), "square meter")

    SCM = new_unit("SCM", (CM**2), "square centimeter")

    #

    # imperial------------------------------

    #

    # length

    IN = new_unit("in", M / 39.370079, "inch")

    FT = new_unit("ft", M / 3.2808399, "foot")

    MILES = new_unit("miles", FT * 5280, "miles")

    # mass

    LBM = new_unit("lbm", KG / 2.2046226, "pound-mass")

    # force

    LBF = new_unit("lbs", 4.4482216 * N, "pound-force")

    KIPS = new_unit("kips", LBF * 1000.0, "kilopounds")

    KIP = new_unit("kip", LBF * 1000.0, "kilopound")

    # moment

    FT_KIPS = new_unit("ft-kips", FT * LBF * 1000.0, "foot-kips")

    IN_KIPS = new_unit("in-kips", IN * LBF * 1000.0, "inch-kips")

    # area

    SF = new_unit("sf", FT**2, "square feet")

    SQIN = new_unit("sqin", IN**2, "square feet")

    # pressure

    PSF = new_unit("psf", LBF / FT**2, "pounds per square foot")

    PSI = new_unit("psi", LBF / IN**2, "pounds per square inch")

    KSF = new_unit("ksf", KIPS / FT**2, "kips per square foot")

    KSI = new_unit("ksi", KIPS / IN**2, "kips per square inch")

    # density

    PCI = new_unit("pci", LBF / IN**3, "pounds per cubic inch")

    PCF = new_unit("pcf", LBF / FT**3, "pounds per cubic ft")

    # line loads

    KLI = new_unit("kips/in", KIPS / IN, "kips per inch")

    PLI = new_unit("lbf/in", LBF / IN, "pounds per inch")

    PLF = new_unit("lbf/ft", LBF / FT, "pounds per foot")

    KLF = new_unit("kips/ft", KIPS / FT, "kips per foot")

    # time

    HR = new_unit("hr", 60 * 60 * S, "hours")

    # velocity

    MPH = new_unit("mph", MILES / HR, "miles per hour")

    FPS = new_unit("fps", FT / SEC, "feet per second")

Variables#

A

C

CD

CELSIUS

CM

DM

F

FAHR

FPS

FT

FT_KIPS

G

GRAM

HENRY

HR

HZ

IN

IN_KIPS

J

K

KG

KIP

KIPS

KLF

KLI

KM

KN

KNCM

KPA

KSF

KSI

LBF

LBM

LM

LX

M

MA

MILES

MM

MN

MOL

MPA

MPH

N

NM

OHM

PA

PCF

PCI

PLF

PLI

PSF

PSI

RAD

SCM

SF

SIEMENS

SM

SQIN

SR

TS

UM

VO

W

WB

rivpath

rvpath

unumpath
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