# Parameter definitions for thorn Mahc_Evolve
# $Header$
# Mahc_Evolve: Numerical Evolution of the General Relativistic Hydro Equations
# Copyright (C) 2001 Mark Miller

shares:conf_adm

USES KEYWORD conf_adm_method ""
{
}

shares:einstein

USES BOOLEAN use_conformal ""
{
}

USES BOOLEAN use_conformal_derivs ""
{
}



restricted:

BOOLEAN mahc_evolution "Should we register MAHC evolution?"
{
} "no"

REAL eos_gamma "adiabatic index used in MAHC"
{
 : :: ""
} 2.0

REAL eos_k "polytropic constant used in MAHC"
{
 : :: ""
} 80.0

REAL epsmin_fact "min eps used in fixup (atmos units)"
{
 : :: ""
} 0.0

REAL densmin "density below which we can do nasty things"
{
 : :: ""
} 1.e-7

REAL perc_ptol "prim var solve press tolerance (percent diff)"
{
 : :: ""
} 1.e-8

REAL del_ptol "prim var solve press tolerance (abs diff)"
{
 : :: ""
} 1.e-18

REAL sig_rdiff_tol "Relative difference tolerence for sigma prim var solve"
{
 : :: ""
} 1.e-9

REAL sig_adiff_tol "Absolute difference tolerence for sigma prim var solve"
{
 : :: ""
} 4.e-15

REAL sig_f_tol "f tolerence for sigma prim var solve"
{
 : :: ""
} 7.e-16

REAL sigma_dens_trick "density below which we can play tricks in sigma primvar"
{
 : :: ""
} 0.0

REAL sigma_dens_min "if density falls below this, then set it to just above"
{
 : :: ""
} 0.0

REAL sigma_w_max "maximum lorentz factor trick for sigma primvar solver"
{
 : :: ""
} 1.0e20

REAL sigma_eps_min "maximum epsilon trick for sigma primvar solver"
{
 : :: ""
} 0.0


REAL centden "Central Density for Star"
{
 : :: ""
} 1.e-5

REAL ns_atmos_fact "rho_atmos = rho_central / ns_atmos_fact"
{
 : :: ""
} 10000.0


KEYWORD some_hydro "Which hydro to use"
{
   "none"          :: "Don't use any hydro"
   "MahcHydro"     :: "Use Mahc Hydro"
   "MahcHydroDust" :: "Use Mahc Hydro Dust"
}  "MahcHydro"

KEYWORD mahc_eos "Which EOS should Mahc use?"
{
   "ideal_fluid" :: "P = (gamma-1)*rho*eps"
   "polytrope"   :: "P = eos_k*rho**gamma"
   "tables"      :: "Use tables for interpolated EOS"
}  "ideal_fluid"

STRING mahc_eos_table_type "Which table should Mahc use?"
{
   .*  :: ""
}  "Ideal_Fluid"

KEYWORD mahc_primsolve_type "Which method should be used for primvar solve?"
{
   "Pressure"  :: "Use pressure variable to solve primvars"
   "Sigma"     :: "Use sigma variable to solve primvars"
}  "Pressure"

private:

KEYWORD bound "Boundary condition to implement for MAHC"
{
  "flat"     :: "Flat boundary condition"
  "static"   :: "Static boundary condition"
  "none"     :: "No boundary condition"
} "none"

KEYWORD hydro_order "Order of hydro method in MAHC"
{
  "fluxlim"     :: "Flux Limiting (2nd order)"
  "upwind"      :: "Upwind (1st order)"
} "fluxlim"

KEYWORD hydro_method "Method of hydro in MAHC"
{
  "roe"            :: "Roe's method with arithmetic averaging"
  "fluxsplit"      :: "Fluxsplit method"
} "roe"

BOOLEAN tvd_reconstruct "Use flux limiters for tvd reconstruction?"
{
} "yes"

BOOLEAN mahc_spacetime_icn "Assume spacetime coupling with ICN method?"
{
} "no"

INT mahc_stencil_size "Stencil size used by MAHC"
{
 : :: ""
} 2