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com.dautelle.physics
Class Pressure

java.lang.Object
  java.lang.Number
      com.dautelle.math.numbers.RealtimeNumber
          com.dautelle.physics.Quantity
              com.dautelle.physics.Pressure

All Implemented Interfaces:

java.lang.Comparable, Operable, Realtime, Representable, java.io.Serializable

public class Pressure

extends Quantity

This class represents a force applied uniformly over a surface. The system unit for this quantity is "kg/(m·s²)". By default, instances of this class are showed in Pascal ("Pa").

Version:

4.1, February 10, 2003

Author:

Jean-Marie Dautelle

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class com.dautelle.physics.Quantity

Quantity.Factory, Quantity.Value

Field Summary

static Pressure	STANDARD Holds the standard atmosphere pressure (exact).
static Pressure	ZERO Represents a Pressure amounting to nothing.

Constructor Summary

protected

Pressure() Default constructor (allows for derivation).

Method Summary

static Pressure	pressureOf(Quantity quantity) Returns the Pressure corresponding to the specified quantity.
static void	showAs(Unit unit) Shows Pressure instances in the specified unit.

Methods inherited from class com.dautelle.physics.Quantity

abs, add, appendTo, approxEquals, approxEquals, compareTo, divide, divide, doubleValue, doubleValue, equals, floatValue, floatValue, getAbsoluteError, getMaximum, getMinimum, getOutputUnit, getRelativeError, getSystemUnit, hashCode, intValue, intValue, inverse, isPossiblyZero, longValue, longValue, multiply, multiply, negate, opposite, plus, pow, random, reciprocal, root, subtract, times, toString, toString, toXml, valueOf, valueOf, valueOf, valueOf

Methods inherited from class com.dautelle.math.numbers.RealtimeNumber

clone, export, isLocalObject, isPoolObject, pow, recycle, toHeap

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Field Detail

ZERO

public static final Pressure ZERO

Represents a Pressure amounting to nothing.

STANDARD

public static final Pressure STANDARD

Holds the standard atmosphere pressure (exact).

Constructor Detail

Pressure

protected Pressure()

Default constructor (allows for derivation).

Method Detail

pressureOf

public static Pressure pressureOf(Quantity quantity)

Returns the Pressure corresponding to the specified quantity.

Parameters:

quantity - a quantity compatible with Pressure.

Returns:

the specified quantity or a new Pressure instance.

Throws:

ConversionException - if the current model does not allow the specified quantity to be converted to Pressure.

showAs

public static void showAs(Unit unit)

Shows Pressure instances in the specified unit.

Parameters:

unit - the output unit for Pressure instances.

See Also:

Quantity.getOutputUnit()