Package org.djunits.quantity

Class AngularAcceleration.Unit

java.lang.Object

org.djunits.unit.AbstractUnit<AngularAcceleration.Unit,AngularAcceleration>

org.djunits.quantity.AngularAcceleration.Unit

All Implemented Interfaces:

UnitInterface<AngularAcceleration.Unit,AngularAcceleration>

Enclosing class:

AngularAcceleration

public static class AngularAcceleration.Unit
extends AbstractUnit<AngularAcceleration.Unit,AngularAcceleration>

AngularAcceleration.Unit encodes the units of angle (radians or degrees per second squared).

Copyright (c) 2025-2026 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://djunits.org. The DJUNITS project is distributed under a three-clause BSD-style license.

Author:

Alexander Verbraeck

Field Summary

Fields

Modifier and Type	Field	Description
static final AngularAcceleration.Unit	arcmin_s2	arcminute per second squared.
static final AngularAcceleration.Unit	arcsec_s2	arcsecond per second squared.
static final AngularAcceleration.Unit	cdm_s2	centesimal arcminute per second squared.
static final AngularAcceleration.Unit	cds_s2	centesimal arcsecond per second squared.
static final AngularAcceleration.Unit	deg_s2	degree per second squared.
static final AngularAcceleration.Unit	grad_s2	grad per second squared.
static final AngularAcceleration.Unit	rad_s2	radian per second squared.
static final AngularAcceleration.Unit	SI	The SI or BASE unit.
static final SIUnit	SI_UNIT	The dimensions of AngularAcceleration: rad/s2.

Constructor Summary

Constructors

Constructor	Description
Unit(String id, String name, double scaleFactorToBaseUnit, UnitSystem unitSystem)	Create a new AngularAcceleration unit.
Unit(String textualAbbreviation, String displayAbbreviation, String name, Scale scale, UnitSystem unitSystem)	Return a derived unit for this unit, with textual abbreviation(s) and a display abbreviation.

Method Summary

Modifier and Type	Method	Description
AngularAcceleration.Unit	deriveUnit(String textualAbbreviation, String displayAbbreviation, String name, double scaleFactor, UnitSystem unitSystem)	Return a linearly scaled derived unit for this unit, with textual abbreviation(s) and a display abbreviation.
AngularAcceleration.Unit	getBaseUnit()	Return the base unit for this unit.
AngularAcceleration	ofSi(double si)	Return an SI-quantity for this unit with a value.
SIUnit	siUnit()	Return the SI unit for this unit.

Methods inherited from class org.djunits.unit.AbstractUnit

deriveUnit, equals, generateSiPrefixes, getDisplayAbbreviation, getId, getName, getScale, getSiPrefix, getStoredDisplayAbbreviation, getStoredName, getStoredTextualAbbreviation, getTextualAbbreviation, getUnitSystem, hashCode, setSiPrefix, setSiPrefix, setSiPrefixKilo, setSiPrefixPer, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.djunits.unit.UnitInterface

fromBaseValue, quantityInUnit, toBaseValue

Field Details

SI_UNIT

public static final SIUnit SI_UNIT

The dimensions of AngularAcceleration: rad/s2.

rad_s2

public static final AngularAcceleration.Unit rad_s2

radian per second squared.

SI

public static final AngularAcceleration.Unit SI

The SI or BASE unit.

deg_s2

public static final AngularAcceleration.Unit deg_s2

degree per second squared.

arcmin_s2

public static final AngularAcceleration.Unit arcmin_s2

arcminute per second squared.

arcsec_s2

public static final AngularAcceleration.Unit arcsec_s2

arcsecond per second squared.

grad_s2

public static final AngularAcceleration.Unit grad_s2

grad per second squared.

cdm_s2

public static final AngularAcceleration.Unit cdm_s2

centesimal arcminute per second squared.

cds_s2

public static final AngularAcceleration.Unit cds_s2

centesimal arcsecond per second squared.

Constructor Details

Unit

public Unit(String id,
 String name,
 double scaleFactorToBaseUnit,
 UnitSystem unitSystem)

Create a new AngularAcceleration unit.

Parameters:

id - the id or main abbreviation of the unit

name - the full name of the unit

scaleFactorToBaseUnit - the scale factor of the unit to convert it TO the base (SI) unit

unitSystem - the unit system such as SI or IMPERIAL

Unit

public Unit(String textualAbbreviation,
 String displayAbbreviation,
 String name,
 Scale scale,
 UnitSystem unitSystem)

Return a derived unit for this unit, with textual abbreviation(s) and a display abbreviation.

Parameters:

textualAbbreviation - the textual abbreviation of the unit, which doubles as the id

displayAbbreviation - the display abbreviation of the unit

name - the full name of the unit

scale - the scale to use to convert between this unit and the standard (e.g., SI, BASE) unit

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

Method Details

siUnit

public SIUnit siUnit()

Description copied from interface: UnitInterface

Return the SI unit for this unit.

Returns:

the SI unit for this unit

getBaseUnit

public AngularAcceleration.Unit getBaseUnit()

Description copied from interface: UnitInterface

Return the base unit for this unit.

Returns:

the base unit for this unit

ofSi

public AngularAcceleration ofSi(double si)

Return an SI-quantity for this unit with a value.

Parameters:

si - the value in SI or BASE units

Returns:

an SI-quantity for this unit with the given si-value

deriveUnit

public AngularAcceleration.Unit deriveUnit(String textualAbbreviation,
 String displayAbbreviation,
 String name,
 double scaleFactor,
 UnitSystem unitSystem)

Description copied from class: AbstractUnit

Return a linearly scaled derived unit for this unit, with textual abbreviation(s) and a display abbreviation.

Specified by:

deriveUnit in class AbstractUnit<AngularAcceleration.Unit,AngularAcceleration>

Parameters:

textualAbbreviation - the textual abbreviation of the unit, which doubles as the id

displayAbbreviation - the display abbreviation of the unit

name - the full name of the unit

scaleFactor - the (linear) scale factor to multiply with the current (linear) scale factor

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

Returns:

a derived unit for this unit