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/*@@
@file GRHydro_ShockTube.F90
@date Sat Jan 26 02:53:25 2002
@author Ian Hawke
@desc
Initial data of the shock tube type.
@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)
/*@@
@routine GRHydro_shocktube
@date Sat Jan 26 02:53:49 2002
@author Ian Hawke
@desc
Initial data for shock tubes. Either diagonal or parallel to
a coordinate axis. Either Sods problem or the standard shock tube.
@enddesc
@calls
@calledby
@history
Expansion and alteration of the test code from GRAstro_Hydro,
written by Mark Miller.
@endhistory
@@*/
subroutine GRHydro_shocktube(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
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
do i=1,nx
do j=1,ny
do k=1,nz
if (CCTK_EQUALS(shocktube_type,"diagshock")) then
direction = x(i,j,k) - shock_xpos + &
y(i,j,k) - shock_ypos + z(i,j,k) - shock_zpos
else if (CCTK_EQUALS(shocktube_type,"xshock")) then
direction = x(i,j,k) - shock_xpos
else if (CCTK_EQUALS(shocktube_type,"yshock")) then
direction = y(i,j,k) - shock_ypos
else if (CCTK_EQUALS(shocktube_type,"zshock")) then
direction = z(i,j,k) - shock_zpos
else if (CCTK_EQUALS(shocktube_type,"sphere")) then
direction = sqrt((x(i,j,k)-shock_xpos)**2+&
(y(i,j,k)-shock_ypos)**2+&
(z(i,j,k)-shock_zpos)**2)-shock_radius
end if
if (CCTK_EQUALS(shock_case,"Simple")) then
rhol = 10.d0
rhor = 1.d0
velxl = 0.d0
velxr = 0.d0
velyl = 0.d0
velyr = 0.d0
velzl = 0.d0
velzr = 0.d0
epsl = 2.d0
epsr = 1.d-6
else if (CCTK_EQUALS(shock_case,"Sod")) then
rhol = 1.d0
rhor = 0.125d0
velxl = 0.d0
velxr = 0.d0
velyl = 0.d0
velyr = 0.d0
velzl = 0.d0
velzr = 0.d0
epsl = 1.5d0
epsr = 1.2d0
!!$This line only for polytrope, k=1
!!$ epsr = 0.375d0
else if (CCTK_EQUALS(shock_case,"Blast")) then
rhol = 1.d0
rhor = 1.d0
velxl = 0.d0
velxr = 0.d0
velyl = 0.d0
velyr = 0.d0
velzl = 0.d0
velzr = 0.d0
epsl = 1500.d0
epsr = 1.5d-2
else
call CCTK_WARN(0,"Shock case not recognized")
end if
if ( ((change_shock_direction==0).and.(direction .lt. 0.0d0)).or.&
((change_shock_direction==1).and.(direction .gt. 0.0d0)) ) then
rho(i,j,k) = rhol
velx(i,j,k) = velxl
vely(i,j,k) = velyl
velz(i,j,k) = velzl
eps(i,j,k) = epsl
else
rho(i,j,k) = rhor
velx(i,j,k) = velxr
vely(i,j,k) = velyr
velz(i,j,k) = velzr
eps(i,j,k) = epsr
end if
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 Prim2ConPoly(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),rho(i,j,k),&
velx(i,j,k),vely(i,j,k),velz(i,j,k),&
eps(i,j,k),press(i,j,k),w_lorentz(i,j,k))
else
call Prim2ConGen(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),rho(i,j,k),&
velx(i,j,k),vely(i,j,k),velz(i,j,k),&
eps(i,j,k),press(i,j,k),w_lorentz(i,j,k))
end if
enddo
enddo
enddo
densrhs = 0.d0
srhs = 0.d0
taurhs = 0.d0
return
end subroutine GRHydro_shocktube
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