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# Parameter definitions for thorn EHFinder
# $Header$
private:
KEYWORD eh_metric_type "Do we use numerical or analytic metric information"
{
"numerical" :: "Read in metric from numerical data"
"analytic" :: "Use external analytic metric"
} "analytic"
KEYWORD eh_lapse_type "Do we use numerical or analytic metric information"
{
"numerical" :: "Read in metric from numerical data"
"analytic" :: "Use external analytic metric"
} "analytic"
KEYWORD eh_shift_type "Do we use numerical or analytic metric information"
{
"numerical" :: "Read in metric from numerical data"
"analytic" :: "Use external analytic metric"
} "analytic"
KEYWORD initial_f "Initial surface choice"
{
"sphere" :: "spherical surface"
"ellipsoid" :: "ellipsoidal surface"
"cassini" :: "ovaloid of cassini"
} "sphere"
REAL initial_rad "Initial radius of surface"
{
(0.0: :: "Positive please"
} 1.0
REAL initial_a "Initial a coefficient of ellipsoid"
{
(0.0: :: "Positive please"
} 1.0
REAL initial_b "Initial b coefficient of ellipsoid"
{
(0.0: :: "Positive please"
} 1.0
REAL initial_c "Initial c coefficient of ellipsoid"
{
(0.0: :: "Positive please"
} 1.0
REAL cas_a "Initial a coefficient of ovaloid of cassini"
{
: :: "Any number (negative and positive are equivalent)"
} 2.0
REAL cas_b "Initial b coefficient of ovaloid of cassini"
{
: :: "Any number (negative and positive are equivalent)"
} 2.05
REAL shell_width "Width of the evolution region in units of the grid spacing"
{
(0.0: :: "Positive please"
} 7.0
BOOLEAN normalize "normalize the derivatives of the level set function"
{
} "no"
BOOLEAN one_sided "Use one sided differences everywhere"
{
} "no"
KEYWORD mode "Mode of operation"
{
"normal" :: "Find event horizons"
"test_reparam" :: "Test reparametrization routines with MoL"
} "normal"
KEYWORD upwind_type "Type of upwinding used in evolving the ehfinder equations"
{
"intrinsic" :: "Use the values of f itself to determine upwind direction"
"shift" :: "Use the shift to determine upwind direction"
} "intrinsic"
KEYWORD re_param_method "Integration method in re-parametrization"
{
"approx" :: "Approximate re-parametrization scheme"
"pde" :: "Re-parametrize by solving an pde"
"mixed" :: "Use both schemes interchangably"
} "pde"
KEYWORD re_param_int_method "Integration method in pde re-parametrization"
{
"euler" :: "Standard euler scheme"
"rk2" :: "Second order Runge-Kutta scheme"
} "euler"
INT re_param_max_iter "maximum number of iteration in the re-parametrization"
{
(0: :: "Positive please"
} 800
KEYWORD pde_differences "Type of finite diffencing used in pde re-parametrization"
{
"centered" :: "Use 2nd order centered differences except at the boundaries"
"upwind" :: "Use 1st order upwinded differences everywhere"
"upwind2" :: "Use 2nd order upwinded differences everywhere"
} "upwind2"
INT reparametrize_every_pde "Re-parametrize every using pde method"
{
0: :: "If 0 don't re-parametrize using pde method"
} 100
INT reparametrize_every_approx "Re-parametrize every using approx method"
{
0: :: "If 0 don't re-parametrize using approx method"
} 10
INT last_iteration_number "The starting iteration number for the EH_Finder (last iteration number of the simulation)"
{
(0: :: "Positive please"
} 0
shares: grid
USES KEYWORD domain
USES KEYWORD quadrant_direction
USES KEYWORD bitant_plane
shares: admbase
USES KEYWORD metric_type
EXTENDS KEYWORD initial_data
{
"read from file" :: "Read in metric from a file"
}
EXTENDS KEYWORD initial_lapse
{
"read from file" :: "Read in lapse from a file"
}
EXTENDS KEYWORD initial_shift
{
"read from file" :: "Read in shift from a file"
}
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