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
|
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "CactusEinstein/Einstein/src/Einstein.h"
#include "CactusElliptic/EllBase/src/EllBase.h"
subroutine brilldata(CCTK_FARGUMENTS)
implicit none
DECLARE_CCTK_FARGUMENTS
DECLARE_CCTK_PARAMETERS
DECLARE_CCTK_FUNCTIONS
integer ipsi,iMcoeff,iNcoeff
integer ierr
CCTK_REAL AbsTol(3),RelTol(3)
c Get indices for grid functions.
call CCTK_VarIndex(ipsi , "idbrilldata::brillpsi")
if (ipsi .lt. 0) then
call CCTK_WARN(0,"Grid variable index for iphi not found")
end if
call CCTK_VarIndex(iMcoeff, "idbrilldata::brillMlinear")
if (iMcoeff .lt. 0) then
call CCTK_WARN(0,"Grid variable index for Mcoeff not found")
end if
call CCTK_VarIndex(iNcoeff, "idbrilldata::brillNsource")
if (iNcoeff .lt. 0) then
call CCTK_WARN(0,"Grid variable index for Ncoeff not found")
end if
c Set up background metric and coefficients for linear solve.
if (axisym.eq.1) then
call setupbrilldata2D(CCTK_FARGUMENTS)
else
call setupbrilldata3D(CCTK_FARGUMENTS)
end if
c Tolerances for elliptic solve.
AbsTol(1)= brill_thresh
AbsTol(2)= brill_thresh
AbsTol(3)= brill_thresh
RelTol(1)= -1
RelTol(2)= -1
RelTol(3)= -1
c Elliptic solver.
if (axisym.eq.1) then
call Ell_SetRealKey(ierr, 1.0d0, "EllLinFlat::Bnd::Robin::inf")
call Ell_SetIntKey (ierr, 1, "EllLinFlat::Bnd::Robin::falloff")
if (CCTK_EQUALS(brill_solver,"sor")) then
call Ell_LinFlatSolver(ierr,cctkGH,ipsi,
. iMcoeff,iNcoeff,AbsTol,RelTol,"sor")
end if
if (CCTK_EQUALS(brill_solver,"petsc")) then
call Ell_LinFlatSolver(ierr,cctkGH,ipsi,
. iMcoeff,iNcoeff,AbsTol,RelTol,"petsc")
end if
if (CCTK_EQUALS(brill_solver,"bam")) then
call Ell_LinFlatSolver(ierr,cctkGH,ipsi,
. iMcoeff,iNcoeff,AbsTol,RelTol,"bam")
end if
else
end if
c Check for errors.
if (ierr .eq. ELL_SUCCESS) then
call CCTK_INFO("Leaving elliptic solver: solve successful")
else if (ierr .eq. ELL_NOCONVERGENCE) then
call CCTK_INFO("Leaving elliptic solver: solver failed to converge")
else if (ierr .eq. ELL_NOSOLVER) then
call CCTK_INFO("Elliptic solver not found")
else
call CCTK_INFO("Leaving elliptic solver: solve failed")
end if
c Synchronization and symmetry boundaries.
call CCTK_SyncGroup(cctkGH,"idbrilldata::brillconf")
call CartSymGN(ierr,cctkGH,"idbrilldata::brillconf")
c Reconstruct physical metric.
call finishbrilldata(CCTK_FARGUMENTS)
return
end
|
