1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*@@
@file GRHydro_Only_Atmo.F90
@date Sat Jan 29 04:44:25 2002
@author Luca Baiotti
@desc
Hydro initial data for vacuum.
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.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_Only_Atmo
@date Sat Jan 29 04:53:43 2002
@author Luca Baiotti
@desc
Hydro initial data for vacuum.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine GRHydro_Only_Atmo(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
CCTK_INT i,j,k,nx,ny,nz
CCTK_REAL det, atmo
call CCTK_INFO("Setting only atmosphere as initial data.")
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
if (rho_abs_min > 0.0) then
atmo = rho_abs_min
GRHydro_rho_min = rho_abs_min
else
call CCTK_WARN(0,"For initial data 'only_atmo' the parameter 'rho_abs_min' must be set")
end if
if (initial_rho_abs_min > 0.0) then
atmo = initial_rho_abs_min
else if (initial_rho_rel_min > 0.0) then
call CCTK_WARN(3,"For initial data 'only_atmo' the parameter 'initial_rho_rel_min' is ignored")
end if
if (initial_atmosphere_factor > 0.0) then
atmo = atmo * initial_atmosphere_factor
end if
rho = atmo
if (rho_abs_min < initial_rho_abs_min) then
velx(:,:,:) = atmosphere_vel(1)
vely(:,:,:) = atmosphere_vel(2)
velz(:,:,:) = atmosphere_vel(3)
else
velx(:,:,:) = 0.d0
vely(:,:,:) = 0.d0
velz(:,:,:) = 0.d0
end if
if (attenuate_atmosphere .ne. 0) then
velx(:,:,:) = velx(:,:,:) * (1.d0 - exp(-2.d0 * (r - 1.d0)**2))
vely(:,:,:) = vely(:,:,:) * (1.d0 - exp(-2.d0 * (r - 1.d0)**2))
velz(:,:,:) = velz(:,:,:) * (1.d0 - exp(-2.d0 * (r - 1.d0)**2))
end if
eps = GRHydro_eps_min
do i=1,nx
do j=1,ny
do k=1,nz
!!$ if (x(i,j,k) < 0.0) then
!!$ velx(i,j,k) = -velx(i,j,k)
!!$ vely(i,j,k) = -vely(i,j,k)
!!$ velz(i,j,k) = -velz(i,j,k)
!!$ end if
call SpatialDeterminant(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)
call prim2con(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))
enddo
enddo
enddo
densrhs = 0.d0
srhs = 0.d0
taurhs = 0.d0
return
end subroutine GRHydro_Only_Atmo
|
