# Parameter definitions for thorn IDAxiBrillBH
# $Header$

shares: ADMBase

EXTENDS KEYWORD initial_lapse 
{
  "schwarz" :: "Set lapse to Schwarzschild"
}

EXTENDS KEYWORD initial_data 
{
   "axibrillbh" :: "Axisymmetry Initial data for Black hole + Brill wave"
}

USES KEYWORD metric_type


private:

############################################################

#
# ***** debugging parameters *****
#

#
# If this parameter is set to true, we output an ASCII data file
# giving psi on the 2D grid.  The file format should be directly usable
# by a gnuplot 'splot' command.
#
Boolean output_psi2D							\
  "should we output the conformal factor psi on the 2D grid?"
{
} false

string output_psi2D_file_name						\
  "if we output the conformal factor psi on the 2D grid,		\
   what file name should we use for the output file?"
{
".+" :: "any non-empty string that's a valid file name"
} "psi2D.dat"

#
# this parameter controls the amount of (potentially very detailed)
# debugging information this thorn prints
#
CCTK_INT debug                                                          \
  "level of debugging information to print                              \
   (0 = none, 2 = a little, 6 = a lot, 10 = huge amounts)"
{
0:* :: "any integer >= 0"
} 0

#
# to keep the output size quasi-finite, some debug printing which is
# logicially "per grid point" on the 2-D (eta,q) grid, is actually only
# done for this single 2-D grid point
#
CCTK_INT debug_ii "i coordinate for per-2D-grid-point debug printing"
{
*:* :: "any integer"
} 14
CCTK_INT debug_jj "j coordinate for per-2D-grid-point debug printing"
{
*:* :: "any integer"
} 15

#
# to keep the output size quasi-finite, some debug printing which is
# logicially "per Cactus grid point" is actually only done for this single
# Cactus grid point
#
CCTK_INT debug_i "i coordinate for per-grid-point debug printing"
{
*:* :: "any integer"
} 14
CCTK_INT debug_j "j coordinate for per-grid-point debug printing"
{
*:* :: "any integer"
} 15
CCTK_INT debug_k "k coordinate for per-grid-point debug printing"
{
*:* :: "any integer"
} 10

############################################################

#
# ***** parameters controlling the Brill wave itself *****
#

REAL amp "Brill wave amplitude"
{
  *:* :: "No restriction"
} 0.1

REAL eta0 "Brill wave center (in eta coords)"
{
  *:* :: "No restriction"
} 0.0

REAL sigma "Brill wave width (in eta)"
{
  *:* :: "No restriction"
} 1.0

REAL etamax "eta value for outer edge of grid"
{
  *:* :: "No restriction"
} 5.0

INT n "sin^n theta in Brill wave"
{
  *:* :: "No restriction"
} 2

############################################################

#
# ***** parameters for the numerical solution of the *****
# ***** Brill-wave equation on the 2-D (eta,q) grid *****
#

INT ne "eta resolution for solve"
{
  *:* :: "No restriction"
} 300

INT nq "theta resolution for solve"
{
  *:* :: "No restriction"
} 50

REAL error_tolerance "tolerance parameter for elliptic solver"
{
(0:* :: "any positive real number"
} 1.0e-12

############################################################

#
# ***** interpolation parameters *****
#

#
# This thorn first computes the Brill wave solution on an internal 2-D
# grid, then interpolates this to the 3-D Cactus grid.  The following
# parameters control this interpolation.
#

STRING interpolator_name \
  "name of CCTK_InterpLocalUniform() interpolation operator"
{
".*" :: "any string"
} "uniform cartesian"

STRING interpolator_pars "parameters for the interpolation operator"
{
".*" :: \
  "any nonempty string acceptable to Util_TableSetFromString()		\
   and to the interpolator, or the empty string to use 'order=n',	\
   where  n  is specified by the  interpolation_order  parameter"
} ""

INT interpolation_order "Order for interpolation" STEERABLE = ALWAYS
{
0:9 :: "any integer accepted by the interpolator"
} 1

############################################################

#
# ***** miscellaneous parameters *****
#

Boolean generate_StaticConformal_metric					\
  "should we generate a StaticConformal conformal metric (true),	\
   or a pure ADMBase physical metric (false)"
{
} true