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/*@@
@header Initialisation.c
@date Thu Apr 25 22:58:03 2002
@author Tom Goodale
@desc
Do all the lapse, shift, metric and curvature initialisation known about by
ADMBase.
@enddesc
@version $Header$
@@*/
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusEinstein_ADMBase_Initialisation_c)
/********************************************************************
********************* Local Data Types ***********************
********************************************************************/
/********************************************************************
********************* Local Routine Prototypes *********************
********************************************************************/
/********************************************************************
***************** Scheduled Routine Prototypes *********************
********************************************************************/
void ADMBase_CartesianMinkowski(CCTK_ARGUMENTS);
void ADMBase_LapseOne(CCTK_ARGUMENTS);
void ADMBase_ShiftZero(CCTK_ARGUMENTS);
void ADMBase_SetShiftStateOn(CCTK_ARGUMENTS);
void ADMBase_SetShiftStateOff(CCTK_ARGUMENTS);
/********************************************************************
********************* Other Routine Prototypes *********************
********************************************************************/
/********************************************************************
********************* Local Data *****************************
********************************************************************/
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine ADMBase_CartesianMinkowski
@date Thu Apr 25 23:12:18 2002
@author Tom Goodale
@desc
Scheduled routine to initialise the metric and extrinsic curvature to
Minkowski space in cartesian coordinate values.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void ADMBase_CartesianMinkowski(CCTK_ARGUMENTS)
{
int i;
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
for(i = 0; i < cctk_lsh[0]*cctk_lsh[1]*cctk_lsh[2]; i++)
{
gxx[i] = 1.0;
gyy[i] = 1.0;
gzz[i] = 1.0;
gxy[i] = 0.0;
gxz[i] = 0.0;
gyz[i] = 0.0;
kxx[i] = 0.0;
kyy[i] = 0.0;
kzz[i] = 0.0;
kxy[i] = 0.0;
kxz[i] = 0.0;
kyz[i] = 0.0;
}
}
/*@@
@routine ADMBase_LapseOne
@date Thu Apr 25 23:12:18 2002
@author Tom Goodale
@desc
Scheduled routine to initialise the lapse to one.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void ADMBase_LapseOne(CCTK_ARGUMENTS)
{
int i;
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
for(i = 0; i < cctk_lsh[0]*cctk_lsh[1]*cctk_lsh[2]; i++)
{
alp[i] = 1.0;
}
}
/*@@
@routine ADMBase_ShiftZero
@date Thu Apr 25 23:12:18 2002
@author Tom Goodale
@desc
Scheduled routine to initialise the shift to zero.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void ADMBase_ShiftZero(CCTK_ARGUMENTS)
{
int i;
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
for(i = 0; i < cctk_lsh[0]*cctk_lsh[1]*cctk_lsh[2]; i++)
{
betax[i] = 1.0;
betay[i] = 1.0;
betaz[i] = 1.0;
}
}
/*@@
@routine ADMBase_SetShiftStateOn
@date Thu Apr 25 23:12:18 2002
@author Tom Goodale
@desc
Scheduled routine to set the value of the shift state to on.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void ADMBase_SetShiftStateOn(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
*shift_state = 1;
}
/*@@
@routine ADMBase_SetShiftStateOff
@date Thu Apr 25 23:12:18 2002
@author Tom Goodale
@desc
Scheduled routine to set the value of the shift state to off.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
void ADMBase_SetShiftStateOff(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
*shift_state = 0;
}
/********************************************************************
********************* Local Routines *************************
********************************************************************/
|
