G4Mag_UsualEqRhs Class Reference

#include <G4Mag_UsualEqRhs.hh>

Inheritance diagram for G4Mag_UsualEqRhs:

Public Member Functions
	G4Mag_UsualEqRhs (G4MagneticField *MagField)
virtual	~G4Mag_UsualEqRhs ()
void	EvaluateRhsGivenB (const G4double y[], const G4double B[3], G4double dydx[]) const
virtual void	SetChargeMomentumMass (G4ChargeState particleCharge, G4double MomentumXc, G4double mass)
Public Member Functions inherited from G4Mag_EqRhs
	G4Mag_EqRhs (G4MagneticField *magField)
virtual	~G4Mag_EqRhs ()
G4double	FCof () const
Public Member Functions inherited from G4EquationOfMotion
	G4EquationOfMotion (G4Field *Field)
virtual	~G4EquationOfMotion ()
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
void	SetFieldObj (G4Field *pField)

Detailed Description

Definition at line 51 of file G4Mag_UsualEqRhs.hh.

Constructor & Destructor Documentation

G4Mag_UsualEqRhs::G4Mag_UsualEqRhs

(

G4MagneticField *

MagField

)

Definition at line 42 of file G4Mag_UsualEqRhs.cc.

  : G4Mag_EqRhs( MagField ) {}

G4Mag_UsualEqRhs::~G4Mag_UsualEqRhs ( )

virtual

Definition at line 45 of file G4Mag_UsualEqRhs.cc.

{}

Member Function Documentation

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

virtual

Implements G4Mag_EqRhs.

Definition at line 48 of file G4Mag_UsualEqRhs.cc.

References G4Mag_EqRhs::FCof().

Referenced by G4ErrorMag_UsualEqRhs::EvaluateRhsGivenB().

{
   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 ;
}

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

virtual

Reimplemented from G4Mag_EqRhs.

Definition at line 70 of file G4Mag_UsualEqRhs.cc.

References G4Mag_EqRhs::SetChargeMomentumMass().

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

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

• G4Mag_UsualEqRhs.hh
• G4Mag_UsualEqRhs.cc