org.djunits.unit

Class PressureUnit

java.lang.Object

org.djunits.unit.Unit<PressureUnit>

org.djunits.unit.PressureUnit

All Implemented Interfaces:

Serializable

public class PressureUnit
extends Unit<PressureUnit>

The units of pressure.

Copyright (c) 2015 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See DJUNITS License.

$LastChangedDate: 2015-10-04 20:48:33 +0200 (Sun, 04 Oct 2015) $, @version $Revision: 87 $, by $Author: averbraeck $, initial version May 15, 2014

Author:

Alexander Verbraeck

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static PressureUnit	ATMOSPHERE_STANDARD standard atmosphere.
static PressureUnit	ATMOSPHERE_TECHNICAL technical atmosphere.
static PressureUnit	BAR bar.
static PressureUnit	BARYE barye.
static PressureUnit	CENTIMETER_MERCURY cm Hg.
static PressureUnit	FOOT_MERCURY foot Hg.
static PressureUnit	HECTOPASCAL hectoPascal.
static PressureUnit	INCH_MERCURY inch Hg.
static PressureUnit	KGF_PER_SQUARE_MM kilogram-force per square millimeter.
static PressureUnit	KILOPASCAL kiloPascal.
static PressureUnit	MILLIBAR millibar.
static PressureUnit	MILLIMETER_MERCURY mm Hg.
static PressureUnit	PASCAL Pascal.
static PressureUnit	PIEZE pieze.
static PressureUnit	POUND_PER_SQUARE_FOOT pound per square foot.
static PressureUnit	POUND_PER_SQUARE_INCH pound per square inch.
static PressureUnit	SI The SI unit for pressure is Pascal.
static PressureUnit	TORR torr.

Constructor Summary

Constructors

Constructor and Description
PressureUnit(ForceUnit forceUnit, AreaUnit areaUnit, String name, String abbreviation, UnitSystem unitSystem) Construct a user-defined pressure unit from force and area units, e.g.
PressureUnit(MassUnit massUnit, LengthUnit lengthUnit, TimeUnit timeUnit, String name, String abbreviation, UnitSystem unitSystem) Construct a user-defined pressure unit from mass, length and time units, e.g., a Pascal = kg/m.s^2.
PressureUnit(String name, String abbreviation, UnitSystem unitSystem, PressureUnit referenceUnit, double conversionFactorToReferenceUnit) Build a user-defined PressureUnit with a conversion factor to another PressureUnit.

Method Summary

Modifier and Type	Method and Description
LengthUnit	getLengthUnit()
MassUnit	getMassUnit()
String	getSICoefficientsString()
PressureUnit	getStandardUnit()
TimeUnit	getTimeUnit()

Methods inherited from class org.djunits.unit.Unit

equals, getAbbreviation, getAbbreviationKey, getAllUnitsOfThisType, getConversionFactorToStandardUnit, getName, getNameKey, getSICoefficients, getUnits, getUnitSystem, hashCode, isLocalizable, lookupOrCreateSIUnitWithSICoefficients, lookupOrCreateUnitWithSICoefficients, lookupUnitWithSICoefficients, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SI

public static final PressureUnit SI

The SI unit for pressure is Pascal.

PASCAL

public static final PressureUnit PASCAL

Pascal.

HECTOPASCAL

public static final PressureUnit HECTOPASCAL

hectoPascal.

KILOPASCAL

public static final PressureUnit KILOPASCAL

kiloPascal.

ATMOSPHERE_STANDARD

public static final PressureUnit ATMOSPHERE_STANDARD

standard atmosphere.

TORR

public static final PressureUnit TORR

torr.

ATMOSPHERE_TECHNICAL

public static final PressureUnit ATMOSPHERE_TECHNICAL

technical atmosphere.

BARYE

public static final PressureUnit BARYE

barye.

BAR

public static final PressureUnit BAR

bar.

MILLIBAR

public static final PressureUnit MILLIBAR

millibar.

CENTIMETER_MERCURY

public static final PressureUnit CENTIMETER_MERCURY

cm Hg.

MILLIMETER_MERCURY

public static final PressureUnit MILLIMETER_MERCURY

mm Hg.

FOOT_MERCURY

public static final PressureUnit FOOT_MERCURY

foot Hg.

INCH_MERCURY

public static final PressureUnit INCH_MERCURY

inch Hg.

KGF_PER_SQUARE_MM

public static final PressureUnit KGF_PER_SQUARE_MM

kilogram-force per square millimeter.

POUND_PER_SQUARE_FOOT

public static final PressureUnit POUND_PER_SQUARE_FOOT

pound per square foot.

POUND_PER_SQUARE_INCH

public static final PressureUnit POUND_PER_SQUARE_INCH

pound per square inch.

PIEZE

public static final PressureUnit PIEZE

pieze.

Constructor Detail

PressureUnit

public PressureUnit(MassUnit massUnit,
                    LengthUnit lengthUnit,
                    TimeUnit timeUnit,
                    String name,
                    String abbreviation,
                    UnitSystem unitSystem)

Construct a user-defined pressure unit from mass, length and time units, e.g., a Pascal = kg/m.s^2.

Parameters:

massUnit - the unit of mass for the pressure unit, e.g., kilogram

lengthUnit - the unit of length for the pressure unit, e.g., meter

timeUnit - the unit of time for the pressure unit, e.g., second

name - the long name of the unit

abbreviation - the abbreviation of the unit

unitSystem - the unit system, e.g. SI or Imperial

PressureUnit

public PressureUnit(ForceUnit forceUnit,
                    AreaUnit areaUnit,
                    String name,
                    String abbreviation,
                    UnitSystem unitSystem)

Construct a user-defined pressure unit from force and area units, e.g. a Pascal = N/m^2.

Parameters:

forceUnit - the unit of force for the pressure unit, e.g., Newton

areaUnit - the unit of area for the pressure unit, e.g., m^2

name - the long name of the unit

abbreviation - the abbreviation of the unit

unitSystem - the unit system, e.g. SI or Imperial

PressureUnit

public PressureUnit(String name,
                    String abbreviation,
                    UnitSystem unitSystem,
                    PressureUnit referenceUnit,
                    double conversionFactorToReferenceUnit)

Build a user-defined PressureUnit with a conversion factor to another PressureUnit.

Parameters:

name - the long name of the unit

abbreviation - the abbreviation of the unit

unitSystem - the unit system, e.g. SI or Imperial

referenceUnit - the unit to convert to

conversionFactorToReferenceUnit - multiply a value in this unit by the factor to convert to the given reference unit

Method Detail

getMassUnit

public final MassUnit getMassUnit()

Returns:

massUnit

getLengthUnit

public final LengthUnit getLengthUnit()

Returns:

lengthUnit

getTimeUnit

public final TimeUnit getTimeUnit()

Returns:

timeUnit

getStandardUnit

public final PressureUnit getStandardUnit()

Specified by:

getStandardUnit in class Unit<PressureUnit>

Returns:

the SI standard unit for this unit, or the de facto standard unit if SI is not available

getSICoefficientsString

public final String getSICoefficientsString()

Specified by:

getSICoefficientsString in class Unit<PressureUnit>

Returns:

the SI standard coefficients for this unit, e.g., kgm/s2 or m-2s2A or m^-2.s^2.A or m^-2s^2A (not necessarily normalized)