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/*@@
@file GRHydro_MonopoleM.F90
@date Sep 23, 2010
@author Joshua Faber, Scott Noble, Bruno Mundim, Ian Hawke
@desc
Initial data of the shock tube type - MHD version.
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "cctk_Functions.h"
#include "GRHydro_Macros.h"
#define velx(i,j,k) vel(i,j,k,1)
#define vely(i,j,k) vel(i,j,k,2)
#define velz(i,j,k) vel(i,j,k,3)
#define sx(i,j,k) scon(i,j,k,1)
#define sy(i,j,k) scon(i,j,k,2)
#define sz(i,j,k) scon(i,j,k,3)
#define Bvecx(i,j,k) Bvec(i,j,k,1)
#define Bvecy(i,j,k) Bvec(i,j,k,2)
#define Bvecz(i,j,k) Bvec(i,j,k,3)
#define Bconsx(i,j,k) Bcons(i,j,k,1)
#define Bconsy(i,j,k) Bcons(i,j,k,2)
#define Bconsz(i,j,k) Bcons(i,j,k,3)
/*@@
@routine GRHydro_MonopoleM
@date Sat Jan 26 02:53:49 2002
@author Joshua Faber, Scott Noble, Bruno Mundim, Ian Hawke
@desc
A monopole in space
@enddesc
@calls
@calledby
@history
Expansion and alteration of the test code from GRAstro_Hydro,
written by Mark Miller.
@endhistory
@@*/
subroutine GRHydro_MonopoleM(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
DECLARE_CCTK_FUNCTIONS
CCTK_INT :: i, j, k, nx, ny, nz
CCTK_REAL :: direction, det
CCTK_REAL :: rhol, rhor, velxl, velxr, velyl, velyr, &
velzl, velzr, epsl, epsr
CCTK_REAL :: bvcxl,bvcyl,bvczl,bvcxr,bvcyr,bvczr
CCTK_REAL :: ux,uy,uz,ut,tmp,tmp2,tmp3
CCTK_REAL :: rr2,rg2
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
do i=1,nx
do j=1,ny
do k=1,nz
rho(i,j,k) = 1.0
velx(i,j,k) = 0.0
vely(i,j,k) = 0.0
velz(i,j,k) = 0.0
eps(i,j,k) = 0.1
Bvecx(i,j,k)=0.0
Bvecy(i,j,k)=0.0
Bvecz(i,j,k)=0.0
if(CCTK_EQUALS(monopole_type,"Point")) then
if(i.eq.nx/2+1.and.j.eq.ny/2+1.and.k.eq.nz/2+1) then
Bvecx(i,j,k)=Monopole_point_Bx
else
Bvecx(i,j,k)=0.0
endif
else if(CCTK_EQUALS(monopole_type,"Gauss")) then
rr2=x(i,j,k)**2+y(i,j,k)**2+z(i,j,k)**2
rg2=R_Gauss*R_Gauss
if(rr2.lt.rg2) then
Bvecx(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
else
Bvecx(i,j,k) = 0.0
endif
else if(CCTK_EQUALS(monopole_type,"1dalt")) then
rr2=x(i,j,k)**2+y(i,j,k)**2+z(i,j,k)**2
rg2=R_Gauss*R_Gauss
if(rr2.lt.rg2) then
Bvecx(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
else
Bvecx(i,j,k) = 0.0
endif
if(mod(i+j+k,2).eq.0)Bvecx(i,j,k)=-1.0*Bvecx(i,j,k)
else if(CCTK_EQUALS(monopole_type,"2dalt")) then
rr2=x(i,j,k)**2+y(i,j,k)**2+z(i,j,k)**2
rg2=R_Gauss*R_Gauss
if(rr2.lt.rg2) then
Bvecx(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
Bvecy(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
else
Bvecx(i,j,k) = 0.0
Bvecy(i,j,k) = 0.0
endif
if(mod(i+j+k,2).eq.0)then
Bvecx(i,j,k)=-1.0*Bvecx(i,j,k)
!!$ Only vary one component, for different character
!!$ Bvecy(i,j,k)=-1.0*Bvecy(i,j,k)
endif
else if(CCTK_EQUALS(monopole_type,"3dalt")) then
rr2=x(i,j,k)**2+y(i,j,k)**2+z(i,j,k)**2
rg2=R_Gauss*R_Gauss
if(rr2.lt.rg2) then
Bvecx(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
Bvecy(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
Bvecz(i,j,k) = exp(-1.0*rr2/rg2)-1.0/exp(1.0)
else
Bvecx(i,j,k) = 0.0
Bvecy(i,j,k) = 0.0
Bvecz(i,j,k) = 0.0
endif
!!$ Different spatial pattern!
if(mod(i+j,2).eq.0)then
Bvecx(i,j,k)=-1.0*Bvecx(i,j,k)
Bvecy(i,j,k)=-1.0*Bvecy(i,j,k)
Bvecz(i,j,k)=-1.0*Bvecz(i,j,k)
endif
else
call CCTK_WARN(0,"Unrecognized monopole type!!!")
endif
det=SPATIAL_DETERMINANT(gxx(i,j,k),gxy(i,j,k),gxz(i,j,k),gyy(i,j,k),gyz(i,j,k),gzz(i,j,k))
if (CCTK_EQUALS(GRHydro_eos_type,"Polytype")) then
call Prim2ConPolyM(GRHydro_eos_handle,gxx(i,j,k),gxy(i,j,k),&
gxz(i,j,k),gyy(i,j,k),gyz(i,j,k),gzz(i,j,k),&
det, dens(i,j,k),sx(i,j,k),sy(i,j,k),sz(i,j,k),&
tau(i,j,k),Bconsx(i,j,k),Bconsy(i,j,k),Bconsz(i,j,k),rho(i,j,k),&
velx(i,j,k),vely(i,j,k),velz(i,j,k),&
eps(i,j,k),press(i,j,k),Bvecx(i,j,k),Bvecy(i,j,k),Bvecz(i,j,k),&
w_lorentz(i,j,k))
else
call Prim2ConGenM(GRHydro_eos_handle,gxx(i,j,k),gxy(i,j,k),&
gxz(i,j,k),gyy(i,j,k),gyz(i,j,k),gzz(i,j,k),&
det, dens(i,j,k),sx(i,j,k),sy(i,j,k),sz(i,j,k),&
tau(i,j,k),Bconsx(i,j,k),Bconsy(i,j,k),Bconsz(i,j,k),rho(i,j,k),&
velx(i,j,k),vely(i,j,k),velz(i,j,k),&
eps(i,j,k),press(i,j,k),Bvecx(i,j,k),Bvecy(i,j,k),Bvecz(i,j,k),&
w_lorentz(i,j,k))
end if
enddo
enddo
enddo
densrhs = 0.d0
srhs = 0.d0
taurhs = 0.d0
Bconsrhs = 0.d0
return
end subroutine GRHydro_MonopoleM
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