G4Mag_UsualEqRhs defines the standard right-hand side for equation of motion. More...

#include <G4Mag_UsualEqRhs.hh>

Inheritance diagram for G4Mag_UsualEqRhs:

Public Member Functions
	G4Mag_UsualEqRhs (G4MagneticField *MagField)
	~G4Mag_UsualEqRhs () override=default
void	EvaluateRhsGivenB (const G4double y[], const G4double B[3], G4double dydx[]) const override
void	SetChargeMomentumMass (G4ChargeState particleCharge, G4double MomentumXc, G4double mass) override
G4EquationType	GetEquationType () const override
Public Member Functions inherited from G4Mag_EqRhs
	G4Mag_EqRhs (G4MagneticField *magField)
	~G4Mag_EqRhs () override=default
G4double	FCof () const
Public Member Functions inherited from G4EquationOfMotion
	G4EquationOfMotion (G4Field *Field)
virtual	~G4EquationOfMotion ()=default
void	RightHandSide (const G4double y[], G4double dydx[]) const
void	EvaluateRhsReturnB (const G4double y[], G4double dydx[], G4double Field[]) const
void	GetFieldValue (const G4double Point[4], G4double Field[]) const
const G4Field *	GetFieldObj () const
G4Field *	GetFieldObj ()
void	SetFieldObj (G4Field *pField)

Detailed Description

G4Mag_UsualEqRhs defines the standard right-hand side for equation of motion.

Definition at line 50 of file G4Mag_UsualEqRhs.hh.

Constructor & Destructor Documentation

◆ G4Mag_UsualEqRhs()

G4Mag_UsualEqRhs::G4Mag_UsualEqRhs ( G4MagneticField * MagField )

Constructor for G4Mag_UsualEqRhs.

Parameters

[in] MagField Pointer to the associated magnetic field.

Definition at line 36 of file G4Mag_UsualEqRhs.cc.

  : G4Mag_EqRhs( MagField )
{
}

Referenced by G4ErrorMag_UsualEqRhs::G4ErrorMag_UsualEqRhs(), and G4TMagFieldEquation< T_Field >::G4TMagFieldEquation().

◆ ~G4Mag_UsualEqRhs()

G4Mag_UsualEqRhs::~G4Mag_UsualEqRhs ( )

overridedefault

Default Destructor.

Member Function Documentation

◆ EvaluateRhsGivenB()

void G4Mag_UsualEqRhs::EvaluateRhsGivenB	(	const G4double	y[],
		const G4double	B[3],
		G4double	dydx[] ) const

overridevirtual

Calculates the value of the derivative, given the value of the field.

Parameters

[in]	y	Coefficients array.
[in]	B	Field value.
[out]	dydx	Derivatives array.

Implements G4Mag_EqRhs.

Definition at line 42 of file G4Mag_UsualEqRhs.cc.

{
   G4double momentum_mag_square = y[3]*y[3] + y[4]*y[4] + y[5]*y[5];
   G4double inv_momentum_magnitude = 1.0 / std::sqrt( momentum_mag_square );
 
   G4double cof = FCof()*inv_momentum_magnitude;
 
   dydx[0] = y[3]*inv_momentum_magnitude;       //  (d/ds)x = Vx/V
   dydx[1] = y[4]*inv_momentum_magnitude;       //  (d/ds)y = Vy/V
   dydx[2] = y[5]*inv_momentum_magnitude;       //  (d/ds)z = Vz/V
 
   dydx[3] = cof*(y[4]*B[2] - y[5]*B[1]) ;   // Ax = a*(Vy*Bz - Vz*By)
   dydx[4] = cof*(y[5]*B[0] - y[3]*B[2]) ;   // Ay = a*(Vz*Bx - Vx*Bz)
   dydx[5] = cof*(y[3]*B[1] - y[4]*B[0]) ;   // Az = a*(Vx*By - Vy*Bx)
 
   return;
}

Referenced by G4ErrorMag_UsualEqRhs::EvaluateRhsGivenB().

◆ GetEquationType()

G4EquationType G4Mag_UsualEqRhs::GetEquationType ( ) const

inlineoverridevirtual

Returns the equation of motion type ID, i.e. "kEqMagnetic".

Reimplemented from G4EquationOfMotion.

Definition at line 86 of file G4Mag_UsualEqRhs.hh.

86{ return kEqMagnetic; }

kEqMagnetic

@ kEqMagnetic

Definition G4FieldParameters.hh:68

◆ SetChargeMomentumMass()

void G4Mag_UsualEqRhs::SetChargeMomentumMass	(	G4ChargeState	particleCharge,
		G4double	MomentumXc,
		G4double	mass )

overridevirtual

Sets the charge momentum mass value.

Reimplemented from G4Mag_EqRhs.

Definition at line 63 of file G4Mag_UsualEqRhs.cc.

{
   G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass);
}

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

Public Member Functions