path: root/param.ccl

# Parameter definitions for thorn Exact
# $Header$

shares: grid

shares: einstein

EXTENDS KEYWORD initial_data ""
{
  "exact"   :: "Initial data from exact solution"
  "slice"   :: "Initial data from exact solution on arbitrary slice"
} ""

EXTENDS KEYWORD slicing ""
{
  "exact" :: Use lapse from exact solution
} ""

EXTENDS KEYWORD shift ""
{
  "exact" :: Use shift from exact solution
} ""

EXTENDS KEYWORD initial_lapse ""
{
  "exact"   :: "Initial lapse from exact solution"
} ""

EXTENDS KEYWORD initial_shift ""
{
  "exact"   :: "Initial shift from exact solution"
} ""

EXTENDS KEYWORD evolution_system ""
{
  "slice" :: "Evolve arbitrary slice and  extract Cauchy data"
} ""


restricted:

# General parameters

KEYWORD exactmodel "The exact solution used in thorn exact"
{
  "minkowski"   :: Minkowski spacetime
  "boostrot"    :: Boost rotation symmetric spacetime
  "finkelstein" :: Black hole in Eddington-Finkelstein coordinates
  "kerrschild"  :: Kerr-Schild form of boosted rotating black hole
  "flatschwarz" :: Schwazschild black-hole with flat spatial metric
  "starschwarz" :: Schwazschild (constant density) star
  "novikov"     :: Black hole in Novikov coordinates
  "multiBH"     :: Maximally charged multi BH solutions
  "bowl"        :: Non-Einstein bowl (bag-of-gold) spacetime
  "fakebinary"  :: Non-Einstein fake-binary of Thorn et al
  "flatfunny"   :: Minkowski spacetime in non-trivial spatial coordinates
} "minkowski"


# Parameters for the blended boundaries.

BOOLEAN exblend_Ks "Blend the K variables with the exact solution?"
{
} "yes"

BOOLEAN exblend_gs "Blend the g variables with the exact solution?"
{
} "yes"

BOOLEAN exblend_gauge "Blend the lapse and shift with the exact solution?"
{
} "yes"

REAL exblend_rout "Outer boundary of blending region"
{
: :: "Positive means radial value, negative means use outer bound of grid"
} -1.0

REAL exblend_width "Width of blending zone"
{
: :: Positive means width in radius, negative means width = exbeldn_width*dx"
} -3.0


# Parameters for slice

REAL slice_gauss_ampl "Amplitude of Gauss slice in exact"
{
0.0:  ::  "Positive please"
} 0.0

REAL slice_gauss_width "Width of Gauss slice in exact"
{
0.0:  ::  "Positive please"
} 1.0


# Parameters for boostrot

REAL boostrotscale "Length scale of boost rotation data"
{
0.0:  ::  "Positive please"
} 1.0

REAL boostrotstrength "Dimensionless strength parameter"
{
0.0:  ::  "Positive please"
} 0.1

REAL boostrotsafedistance "Dimensionless safety distance"
{
0.0:  ::  "Positive please"
} 0.01


# Parameters for finkelstein and kerrschild.

REAL kerrschild_boostv "Boost speed of black hole"
{
:  ::  "Positive or negative"
} 0.0

REAL kerrschild_eps "Fudge parameter"
{
:  ::  "Positive or negative"
} 1.e-16

REAL kerrschild_m "Black hole mass"
{
0.0:  ::  "Positive please"
} 1.0

REAL kerrschild_a "Black hole a = J/m"
{
0.0:  ::  "Positive or negative"
} 0.0


# Parameters for Schwarzschild star.

REAL starschwarz_m "Mass of Schwarzschild star"
{
0.0:  ::  "Positive please"
} 1.0


REAL  starschwarz_r "Radius of Schwarzschild star"
{
0.0:  ::  "Positive please"
} 1.0


# Parameters for bowl metric.

KEYWORD bowl_type "Type of bowl metric"
{
  gauss :: "Gaussian bowl"
  fermi :: "Fermi bowl"
} "gauss"

BOOLEAN bowl_evolve "Evolving bowl metric?"
{
} "no"

REAL bowl_a "Bowl strength"
{
0.0:  ::  "Positive please" 
} 0.5

REAL bowl_c "Center of deformation"
{
0.0:  ::  "Positive please" 
} 2.5

REAL bowl_s "Width of deformation"
{
0.0:  ::  "Positive please" 
} 1.0

REAL bowl_dx "Scale factor in x direction"
{
0.0:  ::  "Positive please" 
} 1.0

REAL bowl_dy "Scale factor in y direction"
{
0.0:  ::  "Positive please" 
} 1.0

REAL bowl_dz "Scale factor in z direction"
{
0.0:  ::  "Positive please" 
} 1.0

REAL bowl_t0 "Center of Fermi step in time"
{
0.0:  ::  "Positive please" 
} 1.0

REAL bowl_st "Width of Fermi step in time"
{
0.0:  ::  "Positive please" 
} 1.0


# Parameters for Thorne's fake finary.

KEYWORD fakebinary_atype "Thorne's binary type"
{
  "constant"  ::
  "quadrupole ::
} "constant"

BOOLEAN fakebinary_retarded "Use retarded time?"
{
} "no"

REAL fakebinary_eps "Thorne's binary: fudge parameter"
{
0.0: :: "Positive please"
} 1.e-16

REAL fakebinary_a0 "Thorne's binary: initial separation"
{
0.0: :: "Positive please"
} 5.0

REAL fakebinary_omega0 "Thorne's binary: initial angular frequency"
{
: :: "Positive or negative"
} 1.0

REAL fakebinary_m "Thorne's binary: mass"
{
0.0: :: "Positive please"
} 0.1

REAL fakebinary_bround "Thorne's binary: smoothing for Newtonian potential"
{
: :: "Positive or negative"
} 0.0


# Parameters for multiBH.

INT kt_nBH "number of black holes 0-4"
{
0: :: "Positive please"
} 0

REAL kt_hubble "Hubble constant= pm sqrt{Lambda/3}"
{
: :: "Positive or negative"
} 0.0

REAL m_bh1 "mass of black hole 1"
{
0.0: :: "Positive please"
} 0.0

REAL m_bh2 "mass of black hole 2"
{
0.0: :: "Positive please"
} 0.0

REAL m_bh3 "mass of black hole 3"
{
0.0: :: "Positive please"
} 0.0

REAL m_bh4 "mass of black hole 4"
{
0.0: :: "Positive please"
} 0.0

REAL co_bh1x "x coord of black hole 1"
{
: :: "Positive or negative"
} 0.0

REAL co_bh1y "y coord of black hole 1"
{
: :: "Positive or negative"
} 0.0

REAL co_bh1z "z coord of black hole 1"
{
: :: "Positive or negative"
} 0.0

REAL co_bh2x "x coord of black hole 2"
{
: :: "Positive or negative"
} 0.0

REAL co_bh2y "y coord of black hole 2"
{
: :: "Positive or negative"
} 0.0

REAL co_bh2z "z coord of black hole 2"
{
: :: "Positive or negative"
} 0.0

REAL co_bh3x "x coord of black hole 3"
{
: :: "Positive or negative"
} 0.0

REAL co_bh3y "y coord of black hole 3"
{
: :: "Positive or negative"
} 0.0

REAL co_bh3z "z coord of black hole 3"
{
: :: "Positive or negative"
} 0.0

REAL co_bh4x "x coord of black hole 4"
{
: :: "Positive or negative"
} 0.0

REAL co_bh4y "y coord of black hole 4"
{
: :: "Positive or negative"
} 0.0

REAL co_bh4z "z coord of black hole 4"
{
: :: "Positive or negative"
} 0.0


# Parameters for flatfunny.

REAL flatfunny_a "Amplitude of gaussian"
{
0.0:1.0 :: "Positive and smaller than 1 please"
} 0.0

REAL flatfunny_s "Width of gaussian"
{
0.0: :: "Positive please"
} 1.0