81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4El_EqRhs.cc,v 1.10 2003/11/05 16:33:55 japost Exp $
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// GEANT4 tag $Name: geant4-06-00-patch-01 $
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//
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// This is the standard right-hand side for equation of motion
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// in a pure Electric Field .
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//
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// Other that might be required are:
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// i) is when using a moving reference frame ... or
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// ii) extending for other forces, eg an electric field
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//
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// J. Apostolakis, January 13th, 1997
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//
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// --------------------------------------------------------------------
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#include "G4ElectricField.hh"
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#include "G4El_EqRhs.hh"
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#include "globals.hh"
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//const G4double G4El_EqRhs::fUnitConstant = 0.299792458 * (GeV/(tesla*m));
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// Constructor Implementation
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//
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G4El_EqRhs::G4El_EqRhs( G4ElectricField *elField )
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: G4EquationOfMotion(elField)
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{
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}
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G4El_EqRhs::~G4El_EqRhs() { }
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void G4El_EqRhs::RightHandSide( const G4double y[],
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G4double dydx[] ) const
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{
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G4double Field[3];
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G4double PositionAndTime[4];
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// Position
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PositionAndTime[0] = y[0];
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PositionAndTime[1] = y[1];
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PositionAndTime[2] = y[2];
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// Global Time
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PositionAndTime[3] = y[7]; // See G4FieldTrack::LoadFromArray
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G4cout <<"EL_EQ RIGHT HAND SIDE!"<<G4endl;
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GetFieldValue(PositionAndTime, Field) ;
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EvaluateRhsGivenB( y, Field, dydx );
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}
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void
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G4El_EqRhs::SetChargeMomentumMass( G4double particleCharge, // e+ units
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G4double , // MomentumXc
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G4double ) // particleMass
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{
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fCof_val = particleCharge*eplus*c_light ;
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}
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