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* Definition of Lorene class Bin_bhns_extr
*
*/
/*
* Copyright (c) 2004-2005 Keisuke Taniguchi
*
* 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 version 2
* as published by the Free Software Foundation.
*
* 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
*
*/
#ifndef __BIN_BHNS_EXTR_H_
#define __BIN_BHNS_EXTR_H_
/*
* $Id: bin_bhns_extr.h,v 1.3 2014/10/13 08:52:32 j_novak Exp $
* $Log: bin_bhns_extr.h,v $
* Revision 1.3 2014/10/13 08:52:32 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.2 2005/02/28 23:02:51 k_taniguchi
* Addition of some codes for the conformally flat case
*
* Revision 1.1 2004/11/30 20:36:00 k_taniguchi
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Include/bin_bhns_extr.h,v 1.3 2014/10/13 08:52:32 j_novak Exp $
*
*/
// Lorene header
#include "et_bin_bhns_extr.h"
#include "etoile.h"
namespace Lorene {
/**
* Class for computing a Black hole - Neutron star binary system
* with an extreme mass ratio.
* \ingroup(star)
*
*/
class Bin_bhns_extr {
// Data :
// -----
private:
/// Cartesian triad of the absolute reference frame
const Base_vect_cart ref_triad ;
/// Neutron star
Et_bin_bhns_extr star ;
/** Angular velocity with respect to an asymptotically inertial
* observer
*/
double omega ;
/// Absolute orbital separation between two centers of BH and NS
double separ ;
/// Gravitational mass of BH
double mass_bh ;
// Derived data :
// ------------
private :
/** Absolute coordinate X of the barycenter of the baryon density
* in the Kerr-Schild background metric or in the conformally flat
* one
*/
mutable double* p_xa_barycenter_extr ;
/** Absolute coordinate Y of the barycenter of the baryon density
* in the Kerr-Schild background metric
*/
mutable double* p_ya_barycenter_extr ;
/** Baryon mass of the neutron star in the Kerr-Schild background
* metric or in the conformally flat one
*/
mutable double* p_mass_b_extr ;
// Constructors - Destructor
// -------------------------
public:
/** Standard constructor
*
* @param mp Mapping on which the neutron star will be defined
* @param nzet Number of domains occupied by the neutron star
* @param eos Equation of state of the neutron star
* @param irrot should be {\tt true} if NS is irrotational,
* {\tt false} if NS is corotating
* @param relat should be {\tt true} for a relativistic configuration,
* {\tt false} for a Newtonian one
* @param kerrs should be {\tt true} for the Kerr-Schild background
* metric, {\tt false} for the conformally flat one
* @param multi should be {\tt true} for the multipole falloff
* boundary condition, {\tt true} for the \f$1/r\f$ one
*
*/
Bin_bhns_extr(Map& mp, int nzet, const Eos& eos,
bool irrot, bool relat, bool kerrs, bool multi) ;
Bin_bhns_extr(const Bin_bhns_extr& ) ; ///< Copy constructor
/** Constructor from a file (see \c sauve(FILE*) )
*
* @param mp Mapping on which the neutron star will be defined
* @param eos Equation of state of the neutron star
*
*/
Bin_bhns_extr(Map& mp, const Eos& eos, FILE* fich) ;
~Bin_bhns_extr() ; ///< Destructor
// Memory management
// -----------------
private:
/// Deletes all the derived quantities
void del_deriv() const ;
/// Sets to \c 0x0 all the pointers on derived quantities
void set_der_0x0() const ;
// Mutators / assignment
// ---------------------
public:
/// Assignment to another Bin_bhns_extr
void operator=(const Bin_bhns_extr&) ;
/// Read/write of the neutron star
Et_bin_bhns_extr& set_ns()
{ del_deriv() ;
return star ; } ;
/// Sets the orbital angular velocity [{\tt f\_unit}]
double& set_omega() { return omega ; } ;
/// Sets the orbital separation [{\tt r\_unit}]
double& set_separ() { return separ ; } ;
/// Sets the gravitational mass of BH [{\tt m\_unit}]
double& set_mass_bh() { return mass_bh ; } ;
// Accessors
// ---------
public:
/// Returns a reference to the neutron star
const Et_bin_bhns_extr& get_ns() const
{ return star ; } ;
/// Returns the orbital angular velocity [{\tt f\_unit}]
double get_omega() const { return omega ; } ;
/** Returns the coordinate separation of the binary system
* [{\tt r\_unit}]
*/
double get_separ() const { return separ ; } ;
/// Returns the gravitational mass of BH [{\tt m\_unit}]
double get_mass_bh() const { return mass_bh ; } ;
// Outputs
// -------
public:
void sauve(FILE* ) const ; ///< Save in a file
/// Display
friend ostream& operator<<(ostream& , const Bin_bhns_extr& ) ;
/// Display in polytropic units
void display_poly(ostream& ) const ;
private:
/// Operator >> (function called by the operator <<)
ostream& operator>>(ostream& ) const ;
// Computational routines
// ----------------------
public:
/** Absolute coordinate X of the barycenter of the baryon density
* in the Kerr-Schild background metric or in the conformally flat
* one
*/
double xa_barycenter_extr() const ;
// Absolute coordinate Y of the barycenter of the baryon density
/// in the Kerr-Schild background metric
double ya_barycenter_extr() const ;
/** Baryon mass of the neutron star in the Kerr-Schild background
* metric or in the conformally flat
*/
double mass_b_extr() const ;
/** Computes the orbital angular velocity {\tt omega}
* in the Kerr-Schild background metric
*
* @param fact_omeg_min [input] : determines the lower bound of the
* interval {\tt [omega\_min, omega\_max]} in which
* {\tt omega} is searched by
* {\tt omega\_min = fact\_omeg\_min * omega},
* where {\tt omega} is the previous value of the
* angular velocity
* (typical value : {\tt fact\_omeg\_min = 0.5})
*
* @param fact_omeg_max [input] : determines the higher bound of the
* interval {\tt [omega\_min, omega\_max]} in which
* {\tt omega} is searched by
* {\tt omega\_max = fact\_omeg\_max * omega},
* where {\tt omega} is the previous value of the
* angular velocity.
* (typical value : {\tt fact\_omeg\_max = 1.5})
*
*/
void orbit_omega_ks(double fact_omeg_min, double fact_omeg_max) ;
/** Computes the orbital angular velocity {\tt omega}
* in the conformally flat background metric
*
* @param fact_omeg_min [input] : determines the lower bound of the
* interval {\tt [omega\_min, omega\_max]} in which
* {\tt omega} is searched by
* {\tt omega\_min = fact\_omeg\_min * omega},
* where {\tt omega} is the previous value of the
* angular velocity
* (typical value : {\tt fact\_omeg\_min = 0.5})
*
* @param fact_omeg_max [input] : determines the higher bound of the
* interval {\tt [omega\_min, omega\_max]} in which
* {\tt omega} is searched by
* {\tt omega\_max = fact\_omeg\_max * omega},
* where {\tt omega} is the previous value of the
* angular velocity.
* (typical value : {\tt fact\_omeg\_max = 1.5})
*
*/
void orbit_omega_cf(double fact_omeg_min, double fact_omeg_max) ;
/** Sets the orbital angular velocity to some 2-PN analytical
* value (Keplerian value in the Newtonian case)
*/
void analytical_omega() ;
/** Sets some analytical template for the shift vector
* (via the members {\tt w\_shift} and {\tt khi\_shift}
* of {\tt Etoile\_bin})
*/
void analytical_shift() ;
};
ostream& operator<<(ostream& , const Bin_bhns_extr& ) ;
}
#endif
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