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Diffstat (limited to 'src/EOS_Polytrope.F')
| -rw-r--r-- | src/EOS_Polytrope.F | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/EOS_Polytrope.F b/src/EOS_Polytrope.F new file mode 100644 index 0000000..feda337 --- /dev/null +++ b/src/EOS_Polytrope.F @@ -0,0 +1,153 @@ + /*@@ + @file EOS_Polytrope.F + @date Wed Mar 20 14:56:35 2002 + @author Ian Hawke + @desc + Routines to calculate a polytropic EOS. This is a faked + 2d version that ALWAYS assumes you want the pressure from + the density. As such the specific internal energy is not set. + @enddesc + @@*/ + +#include "cctk.h" +#include "cctk_Parameters.h" + + /*@@ + @routine EOS_Polytrope + @date Mon Aug 26 15:12:39 2002 + @author Ian Hawke + @desc + + @enddesc + @calls + @calledby + @history + + @endhistory +@@*/ + + CCTK_REAL function EOS_Polytrope_Pressure(rho, eps) + + USE EOS_Polytrope_Scalars + + implicit none + DECLARE_CCTK_PARAMETERS + + CCTK_REAL rho, eps + + EOS_Polytrope_Pressure = p_geom_factor * eos_k_cgs * + . (rho * rho_geom_factor_inv) ** eos_gamma + + end function EOS_Polytrope_Pressure + + /*@@ + @routine EOS_Polytrope + @date Mon Aug 26 15:12:39 2002 + @author Ian Hawke + @desc + + @enddesc + @calls + @calledby + @history + + @endhistory +@@*/ + + CCTK_REAL function EOS_Polytrope_SpecificIE(rho, press) + + USE EOS_Polytrope_Scalars + + implicit none + DECLARE_CCTK_PARAMETERS + + CCTK_REAL rho, press, EOS_Polytrope_Pressure + + EOS_Polytrope_SpecificIE = EOS_Polytrope_Pressure(rho, press) + . / rho / (eos_gamma - 1.d0) + + end function EOS_Polytrope_SpecificIE + + /*@@ + @routine EOS_Polytrope + @date Mon Aug 26 15:12:39 2002 + @author Ian Hawke + @desc + + @enddesc + @calls + @calledby + @history + + @endhistory +@@*/ + + CCTK_REAL function EOS_Polytrope_RestMassDens(eps, press) + + USE EOS_Polytrope_Scalars + + implicit none + DECLARE_CCTK_PARAMETERS + + CCTK_REAL eps, press + + EOS_Polytrope_RestMassDens = press / ((eos_gamma - 1.d0) * eps) + + end function EOS_Polytrope_RestMassDens + + /*@@ + @routine EOS_Polytrope + @date Mon Aug 26 15:12:39 2002 + @author Ian Hawke + @desc + + @enddesc + @calls + @calledby + @history + + @endhistory +@@*/ + + CCTK_REAL function EOS_Polytrope_DPressByDRho(rho, eps) + + USE EOS_Polytrope_Scalars + + implicit none + DECLARE_CCTK_PARAMETERS + + CCTK_REAL rho, eps + + EOS_Polytrope_DPressByDRho = p_geom_factor * eos_k_cgs * + . eos_gamma * rho_geom_factor_inv * + . (rho*rho_geom_factor_inv) ** (eos_gamma - 1.d0) + + end function EOS_Polytrope_DPressByDRho + + /*@@ + @routine EOS_Polytrope + @date Mon Aug 26 15:12:39 2002 + @author Ian Hawke + @desc + + @enddesc + @calls + @calledby + @history + + @endhistory +@@*/ + + CCTK_REAL function EOS_Polytrope_DPressByDEps(rho, eps) + + USE EOS_Polytrope_Scalars + + implicit none + DECLARE_CCTK_PARAMETERS + + CCTK_REAL rho, eps + + EOS_Polytrope_DPressByDEps = 0.d0 + + end function EOS_Polytrope_DPressByDEps + |