BDSFieldESinusoid Class Reference

A sinusoidal electric (only) field that doesn't vary with position. Uses cosine. More...

#include <BDSFieldESinusoid.hh>

Inheritance diagram for BDSFieldESinusoid:

Collaboration diagram for BDSFieldESinusoid:

Public Member Functions
	BDSFieldESinusoid (BDSMagnetStrength const *strength, G4double brho)
	Construct with a BDSMagnetStrength instance for convenience.
	BDSFieldESinusoid (G4double eFieldAmplitude, const G4ThreeVector &unitDirectionIn, G4double frequencyIn, G4double phaseOffsetIn)
	Construct from E amplitude, unit direction vector, frequency (G4Units) and phase.
virtual G4bool	TimeVarying () const
virtual G4ThreeVector	GetField (const G4ThreeVector &position, const G4double t) const
	Accessor for field value.
Public Member Functions inherited from BDSFieldE
	BDSFieldE ()
	BDSFieldE (G4Transform3D transformIn)
virtual G4ThreeVector	GetField (const G4ThreeVector &position, const G4double t=0) const =0
virtual G4bool	TimeVarying () const
virtual void	GetFieldValue (const G4double point[4], G4double *field) const
virtual G4ThreeVector	GetFieldTransformed (const G4ThreeVector &position, const G4double t) const
	Get the field value after applying transform for local offset.
virtual void	SetTransform (const G4Transform3D &transformIn)
void	SetModulator (BDSModulator *modulatorIn)
	Set the optional modulator.
G4bool	FiniteStrength () const
	Accessor.

Protected Attributes
G4double	eField
	Amplitude of electric field in V/m.
const G4ThreeVector	unitDirection
	Unit vector for direction of field.
Protected Attributes inherited from BDSFieldE
G4bool	finiteStrength
	Flag to cache whether finite nor not.
G4Transform3D	transform
	Transform to apply for the field relative to the local coordinates of the geometry.
G4bool	transformIsNotIdentity
	Cache of whether to use transform at all.
BDSModulator *	modulator
	Optional modulator;.

Private Attributes
G4double	angularFrequency
	Angular frequency of field.
G4double	phase
	Phase in radians.

Detailed Description

A sinusoidal electric (only) field that doesn't vary with position. Uses cosine.

The default phase is 0 so cosine is used to give acceleration by default.

Author

Laurie Nevay

Definition at line 38 of file BDSFieldESinusoid.hh.

Constructor & Destructor Documentation

BDSFieldESinusoid() [1/2]

BDSFieldESinusoid::BDSFieldESinusoid	(	BDSMagnetStrength const *	strength,
		G4double	brho
	)

Construct with a BDSMagnetStrength instance for convenience.

Definition at line 30 of file BDSFieldESinusoid.cc.

References eField.

BDSFieldESinusoid() [2/2]

BDSFieldESinusoid::BDSFieldESinusoid	(	G4double	eFieldAmplitude,
		const G4ThreeVector &	unitDirectionIn,
		G4double	frequencyIn,
		G4double	phaseOffsetIn
	)

Construct from E amplitude, unit direction vector, frequency (G4Units) and phase.

Definition at line 41 of file BDSFieldESinusoid.cc.

References eField, BDSFieldE::finiteStrength, and BDS::IsFinite().

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~BDSFieldESinusoid()

virtual BDSFieldESinusoid::~BDSFieldESinusoid ( )

inlinevirtual

Definition at line 52 of file BDSFieldESinusoid.hh.

Member Function Documentation

GetField()

G4ThreeVector BDSFieldESinusoid::GetField ( const G4ThreeVector &  position, const G4double  t  ) const

virtual

Accessor for field value.

Implements BDSFieldE.

Definition at line 53 of file BDSFieldESinusoid.cc.

References angularFrequency, eField, phase, and unitDirection.

TimeVarying()

virtual G4bool BDSFieldESinusoid::TimeVarying ( ) const

inlinevirtual

Each derived class should override this if needs be. Used to warn about time modulation with a time-varying field.

Reimplemented from BDSFieldE.

Definition at line 54 of file BDSFieldESinusoid.hh.

Field Documentation

angularFrequency

G4double BDSFieldESinusoid::angularFrequency

private

Angular frequency of field.

Definition at line 69 of file BDSFieldESinusoid.hh.

Referenced by GetField().

eField

G4double BDSFieldESinusoid::eField

protected

Amplitude of electric field in V/m.

Definition at line 62 of file BDSFieldESinusoid.hh.

Referenced by BDSFieldESinusoid(), and GetField().

phase

G4double BDSFieldESinusoid::phase

private

Phase in radians.

Definition at line 72 of file BDSFieldESinusoid.hh.

Referenced by GetField().

unitDirection

const G4ThreeVector BDSFieldESinusoid::unitDirection

protected

Unit vector for direction of field.

Definition at line 65 of file BDSFieldESinusoid.hh.

Referenced by GetField().

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The documentation for this class was generated from the following files:

• /Users/lnevay/physics/reps/bdsim/include/BDSFieldESinusoid.hh
• /Users/lnevay/physics/reps/bdsim/src/BDSFieldESinusoid.cc