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#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
subroutine brilldata(CCTK_FARGUMENTS)
c Author: Carsten Gundlach.
c
c Driver routine for calculating Brill wave initial data.
implicit none
DECLARE_CCTK_FARGUMENTS
DECLARE_CCTK_PARAMETERS
DECLARE_CCTK_FUNCTIONS
c Declare arrays for the linear elliptic solver call:
integer Mlin_index,Nsrc_index,field_index,ierr
integer metpsi_index(7)
CCTK_REAL AbsTol(3), RelTol(3)
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 Call the Linear Elliptic solver interface
c to find conformal factor.
call CCTK_VarIndex (metpsi_index(1), "einstein::gxx")
call CCTK_VarIndex (metpsi_index(2), "einstein::gxy")
call CCTK_VarIndex (metpsi_index(3), "einstein::gxz")
call CCTK_VarIndex (metpsi_index(4), "einstein::gyy")
call CCTK_VarIndex (metpsi_index(5), "einstein::gyz")
call CCTK_VarIndex (metpsi_index(6), "einstein::gzz")
call CCTK_VarIndex (metpsi_index(7), "einstein::psi")
call CCTK_VarIndex (field_index, "IDBrillData::brillpsi")
call CCTK_VarIndex (Mlin_index, "IDBrillData::Mlinear")
call CCTK_VarIndex (Nsrc_index, "IDBrillData::Nsource")
AbsTol(1)= brill_thresh
AbsTol(2)= -1
AbsTol(3)= -1
RelTol(1)= -1
RelTol(2)= -1
RelTol(3)= -1
if (CCTK_EQUALS(brill_bound,"const")) then
call Ell_SetRealKey(ierr,brill_const_v0,
. "EllLinConfMetric::Bnd::Const::V0")
end if
if (CCTK_EQUALS(brill_bound,"robin")) then
call Ell_SetIntKey(ierr,brill_robin_falloff,
. "EllLinConfMetric::Bnd::Robin::falloff")
call Ell_SetRealKey(ierr,brill_robin_inf,
. "EllLinConfMetric::Bnd::Robin::inf")
endif
if (CCTK_EQUALS(brill_solver,"sor")) then
call Ell_LinConfMetricSolver(ierr,cctkGH,metpsi_index,
. field_index,Mlin_index,Nsrc_index,AbsTol,RelTol,"sor")
end if
if (CCTK_EQUALS(brill_solver,"petsc)) then
call Ell_LinConfMetricSolver(ierr,cctkGH,metpsi_index,
. field_index,Mlin_index,Nsrc_index,AbsTol,RelTol,"petsc")
end if
c Synchronize conformal factor.
call CCTK_SyncGroup(cctkGH,"einstein::confac")
c Reconstruct physical metric.
call finishbrilldata(CCTK_FARGUMENTS)
return
end
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