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#------------------------------------------------------------------------------
#
# Parameter file for evolutions of colliding black holes (Brill Lindquist)
#
# For use with Cactus 4.0 (Beta 4)
#
# For help on running Cactus, either run the Cactus exectuable with the
# command line option -help, or consult the documentation at
# www.cactuscode.org
#
# Max Planck Institute for Gravitational Physics, Potsdam, Germany, 1999
#
#------------------------------------------------------------------------------
!DESC "Evolution of Colliding Black Holes: Demo"
# These thorns must be compiled
ActiveThorns = "Boundary ADM_BSSN CartGrid3D Einstein IDanalyticBH IOBasic IOUtil IOASCII PsiKadelia IsoSurfacer http NetGeometry Pugh Time"
#------------------------------------------------------------------------------
# Number of grid points in each direction
driver::global_nsize = 93
# How many iterations
cactus::cctk_final_time = 30.0
# What output and how often
IOBasic::outInfo_vars = "einstein::alp psikadelia::psi0re"
IOBasic::outInfo_every = 1
IOASCII::out1D_vars = "einstein::alp einstein::grr psikadelia::psi0re"
IOASCII::out1D_every = 10
#------------------------------------------------------------------------------
#
# IsoSurfacer
#
#------------------------------------------------------------------------------
# IsoSurfacer parameters:
# - the variable to compute the isosurface from
# - the isosurface level
# - the output format
# - frequency , first iteration, resolution of output, uniq_vertices flag
IsoSurfacer::isosurfacer = "{(psikadelia::psi0re) (0.999,1.001) (SOCK) (1, 1, 1, 1)}"
IsoSurfacer::allow_empty_sends = "yes"
http::port = 7050
NetGeometry::port = 7051
NetGeometry::tcpwindowsize = 1048576
# A list of hosts to which announce the remote viz when it starts up.
NetGeometry::amira_announce = ""
#------------------------------------------------------------------------------
#
# Evolution and initial data
#
#------------------------------------------------------------------------------
IO::outdir = "BrillLindDemo"
grid::domain = "full"
grid::type = "byrange"
grid::xyzmin = -15.0
grid::xyzmax = 15.0
cactus::cctk_initial_time = 0.
time::dtfac = 0.25
einstein::initial_data = "bl_bh"
einstein::evolution_system = "ADM_BSSN"
einstein::slicing = "1+log"
einstein::initial_lapse = "one"
idanalyticbh::bl_nbh = 2
idanalyticbh::bl_x0_1 = 0.0
idanalyticbh::bl_y0_1 = 1.2
idanalyticbh::bl_z0_1 = 0.0
idanalyticbh::bl_M_1 = 1.0
idanalyticbh::bl_x0_2 = 0.0
idanalyticbh::bl_y0_2 = -1.2
idanalyticbh::bl_z0_2 = 0.0
idanalyticbh::bl_M_2 = 1.5
adm_bssn::harmonic_f = 2.0
adm_bssn::bound = "radiative"
adm_bssn::method = "icn"
adm_bssn::ICN_itnum = 3
adm_bssn::evolveG = "yes"
adm_bssn::RfromH = "yes"
adm_bssn::forceKzero = "no"
adm_bssn::subtracttrA = "no"
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