eos_poly_newt.C
/*
* Methods of the class Eos_poly_newt.
*
* (see file eos.h for documentation).
*/
/*
* Copyright (c) 2000-2001 Eric Gourgoulhon
*
* This file is part of LORENE.
*
* LORENE is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* LORENE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LORENE; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
char eos_poly_newt_C[] = "$Header: /cvsroot/Lorene/C++/Source/Eos/eos_poly_newt.C,v 1.5 2014/10/13 08:52:53 j_novak Exp $" ;
/*
* $Id: eos_poly_newt.C,v 1.5 2014/10/13 08:52:53 j_novak Exp $
* $Log: eos_poly_newt.C,v $
* Revision 1.5 2014/10/13 08:52:53 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.4 2014/10/06 15:13:06 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.3 2002/10/16 14:36:35 j_novak
* Reorganization of #include instructions of standard C++, in order to
* use experimental version 3 of gcc.
*
* Revision 1.2 2002/04/09 14:32:15 e_gourgoulhon
* 1/ Added extra parameters in EOS computational functions (argument par)
* 2/ New class MEos for multi-domain EOS
*
* Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
* LORENE
*
* Revision 2.5 2001/02/23 15:16:51 eric
* Continuite en ent=0 des quantites derivees.
*
* Revision 2.4 2001/02/07 09:50:11 eric
* Suppression de la fonction derent_ent_p.
* Ajout des fonctions donnant les derivees de l'EOS:
* der_nbar_ent_p
* der_ener_ent_p
* der_press_ent_p
*
* Revision 2.3 2000/02/14 14:49:41 eric
* Modif affichage.
*
* Revision 2.2 2000/02/14 14:33:33 eric
* Ajout du constructeur par lecture de fichier formate.
*
* Revision 2.1 2000/01/21 15:18:56 eric
* Ajout des operateurs de comparaison == et !=
*
* Revision 2.0 2000/01/18 15:14:12 eric
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Source/Eos/eos_poly_newt.C,v 1.5 2014/10/13 08:52:53 j_novak Exp $
*
*/
// Headers C
#include <cstdlib>
#include <cstring>
#include <cmath>
// Headers Lorene
#include "eos.h"
#include "cmp.h"
//--------------//
// Constructors //
//--------------//
// Standard constructor
// --------------------
namespace Lorene {
Eos_poly_newt::Eos_poly_newt(double gamma, double kappa) :
Eos_poly(gamma, kappa) {
set_name("Newtonian polytropic EOS") ;
}
// Copy constructor
// ----------------
Eos_poly_newt::Eos_poly_newt(const Eos_poly_newt& eosi) : Eos_poly(eosi) {}
// Constructor from a binary file
// ------------------------------
Eos_poly_newt::Eos_poly_newt(FILE* fich) : Eos_poly(fich) {}
// Constructor from a formatted file
// ---------------------------------
Eos_poly_newt::Eos_poly_newt(ifstream& fich) : Eos_poly(fich) {}
//--------------//
// Destructor //
//--------------//
Eos_poly_newt::~Eos_poly_newt(){
// does nothing
}
//--------------//
// Assignment //
//--------------//
void Eos_poly_newt::operator=(const Eos_poly_newt& eosi) {
set_name(eosi.name) ;
gam = eosi.gam ;
kap = eosi.kap ;
m_0 = eosi.m_0 ;
set_auxiliary() ;
}
//------------------------//
// Comparison operators //
//------------------------//
bool Eos_poly_newt::operator==(const Eos& eos_i) const {
bool resu = true ;
if ( eos_i.identify() != identify() ) {
cout << "The second EOS is not of type Eos_poly_newt !" << endl ;
resu = false ;
}
else{
const Eos_poly_newt& eos = dynamic_cast<const Eos_poly_newt&>( eos_i ) ;
if (eos.gam != gam) {
cout
<< "The two Eos_poly_newt have different gamma : " << gam << " <-> "
<< eos.gam << endl ;
resu = false ;
}
if (eos.kap != kap) {
cout
<< "The two Eos_poly_newt have different kappa : " << kap << " <-> "
<< eos.kap << endl ;
resu = false ;
}
if (eos.m_0 != m_0) {
cout
<< "The two Eos_poly_newt have different m_0 : " << m_0 << " <-> "
<< eos.m_0 << endl ;
resu = false ;
}
}
return resu ;
}
bool Eos_poly_newt::operator!=(const Eos& eos_i) const {
return !(operator==(eos_i)) ;
}
//------------//
// Outputs //
//------------//
void Eos_poly_newt::sauve(FILE* fich) const {
Eos_poly::sauve(fich) ;
}
ostream& Eos_poly_newt::operator>>(ostream & ost) const {
ost << "EOS of class Eos_poly_newt (Newtonian polytrope) : " << endl ;
ost << " Adiabatic index gamma : " << gam << endl ;
ost << " Pressure coefficient kappa : " << kap <<
" rho_nuc c^2 / n_nuc^gamma" << endl ;
return ost ;
}
//------------------------------//
// Computational routines //
//------------------------------//
// Baryon density from enthalpy
//------------------------------
double Eos_poly_newt::nbar_ent_p(double ent, const Param* ) const {
if ( ent > double(0) ) {
return pow( gam1sgamkap * ent, unsgam1 ) ;
}
else{
return 0 ;
}
}
// Energy density from enthalpy
//------------------------------
double Eos_poly_newt::ener_ent_p(double ent, const Param* ) const {
if ( ent > double(0) ) {
double nn = pow( gam1sgamkap * ent, unsgam1 ) ;
double pp = kap * pow( nn, gam ) ;
return unsgam1 * pp + m_0 * nn ;
}
else{
return 0 ;
}
}
// Pressure from enthalpy
//------------------------
double Eos_poly_newt::press_ent_p(double ent, const Param* ) const {
if ( ent > double(0) ) {
double nn = pow( gam1sgamkap * ent, unsgam1 ) ;
return kap * pow( nn, gam ) ;
}
else{
return 0 ;
}
}
// dln(n)/ln(h) from enthalpy
//---------------------------
double Eos_poly_newt::der_nbar_ent_p(double , const Param* ) const {
return double(1) / gam1 ;
}
// dln(e)/ln(h) from enthalpy
//---------------------------
double Eos_poly_newt::der_ener_ent_p(double ent, const Param* ) const {
if ( ent > double(0) ) {
double nn = pow( gam1sgamkap * ( exp(ent) - double(1) ),
unsgam1 ) ;
double pp = kap * pow( nn, gam ) ;
double ee = unsgam1 * pp + m_0 * nn ;
return ( double(1) + pp / ee) / gam1 ;
}
else{
return double(1) / gam1 ; // to ensure continuity at ent=0
}
}
// dln(p)/ln(h) from enthalpy
//---------------------------
double Eos_poly_newt::der_press_ent_p(double, const Param* ) const {
return gam / gam1 ;
}
}
Lorene::Eos_poly_newt::der_press_ent_p
virtual double der_press_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the specific enthalpy.
Definition eos_poly_newt.C:301
Lorene::Eos_poly_newt::operator==
virtual bool operator==(const Eos &) const
Comparison operator (egality).
Definition eos_poly_newt.C:144
Lorene::Eos_poly_newt::operator=
void operator=(const Eos_poly_newt &)
Assignment to another Eos_poly_newt.
Definition eos_poly_newt.C:129
Lorene::Eos_poly_newt::ener_ent_p
virtual double ener_ent_p(double ent, const Param *par=0x0) const
Computes the total energy density from the specific enthalpy.
Definition eos_poly_newt.C:233
Lorene::Eos_poly_newt::press_ent_p
virtual double press_ent_p(double ent, const Param *par=0x0) const
Computes the pressure from the specific enthalpy.
Definition eos_poly_newt.C:251
Lorene::Eos_poly_newt::der_ener_ent_p
virtual double der_ener_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the specific enthalpy.
Definition eos_poly_newt.C:277
Lorene::Eos_poly_newt::identify
virtual int identify() const
Returns a number to identify the sub-classe of Eos the object belongs to.
Definition eos_from_file.C:131
Lorene::Eos_poly_newt::sauve
virtual void sauve(FILE *) const
Save in a file.
Definition eos_poly_newt.C:194
Lorene::Eos_poly_newt::~Eos_poly_newt
virtual ~Eos_poly_newt()
Destructor.
Definition eos_poly_newt.C:120
Lorene::Eos_poly_newt::operator!=
virtual bool operator!=(const Eos &) const
Comparison operator (difference).
Definition eos_poly_newt.C:183
Lorene::Eos_poly_newt::der_nbar_ent_p
virtual double der_nbar_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the specific enthalpy.
Definition eos_poly_newt.C:268
Lorene::Eos_poly_newt::operator>>
virtual ostream & operator>>(ostream &) const
Operator >>.
Definition eos_poly_newt.C:200
Lorene::Eos_poly_newt::nbar_ent_p
virtual double nbar_ent_p(double ent, const Param *par=0x0) const
Computes the baryon density from the specific enthalpy.
Definition eos_poly_newt.C:219
Lorene::Eos_poly_newt::Eos_poly_newt
Eos_poly_newt(double gamma, double kappa)
Standard constructor.
Definition eos_poly_newt.C:94
Lorene::Eos_poly::kap
double kap
Pressure coefficient (cf.
Definition eos.h:771
Lorene::Eos_poly::sauve
virtual void sauve(FILE *) const
Save in a file.
Definition eos_poly.C:335
Lorene::Eos_poly::Eos_poly
Eos_poly(double gamma, double kappa)
Standard constructor (sets both m_0 and mu_0 to 1).
Definition eos_poly.C:126
Lorene::Eos_poly::gam1sgamkap
double gam1sgamkap
Definition eos.h:788
Lorene::Eos_poly::unsgam1
double unsgam1
Definition eos.h:787
Lorene::Eos_poly::gam
double gam
Adiabatic index (cf. Eq. (3)).
Definition eos.h:764
Lorene::Eos_poly::m_0
double m_0
Individual particule mass (cf.
Definition eos.h:776
Lorene::Eos_poly::gam1
double gam1
Definition eos.h:786
Lorene::Eos_poly::set_auxiliary
void set_auxiliary()
Computes the auxiliary quantities gam1 , unsgam1 , gam1sgamkap from the values of gam and kap.
Definition eos_poly.C:242
Lorene::Eos
Equation of state base class.
Definition eos.h:190
Lorene::Eos::identify
virtual int identify() const =0
Returns a number to identify the sub-classe of Eos the object belongs to.
Lorene::Eos::name
char name[100]
EOS name.
Definition eos.h:196
Lorene::Eos::set_name
void set_name(const char *name_i)
Sets the EOS name.
Definition eos.C:163
Lorene::Param
Parameter storage.
Definition param.h:125
Lorene::exp
Cmp exp(const Cmp &)
Exponential.
Definition cmp_math.C:270
Lorene::pow
Cmp pow(const Cmp &, int)
Power .
Definition cmp_math.C:348
Lorene
Lorene prototypes.
Definition app_hor.h:64