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* Definition of Lorene class Etoile_bin_nsbh
*
*/
/*
* Copyright (c) 2003 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 __ET_BIN_NSBH_H_
#define __ET_BIN_NSBH_H_
/*
* $Id: et_bin_nsbh.h,v 1.9 2014/10/13 08:52:34 j_novak Exp $
* $Log: et_bin_nsbh.h,v $
* Revision 1.9 2014/10/13 08:52:34 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.8 2006/09/25 10:01:45 p_grandclement
* Addition of N-dimensional Tbl
*
* Revision 1.7 2006/06/01 12:47:50 p_grandclement
* update of the Bin_ns_bh project
*
* Revision 1.6 2006/04/25 07:21:54 p_grandclement
* Various changes for the NS_BH project
*
* Revision 1.5 2005/10/18 13:12:31 p_grandclement
* update of the mixted binary codes
*
* Revision 1.4 2005/08/29 15:10:12 p_grandclement
* Addition of things needed :
* 1) For BBH with different masses
* 2) Provisory files for the mixted binaries (Bh and NS) : THIS IS NOT
* WORKING YET !!!
*
* Revision 1.3 2004/06/09 06:32:51 k_taniguchi
* Introduce set_n_auto() and set_confpsi_auto().
*
* Revision 1.2 2003/10/24 12:25:19 k_taniguchi
* Introduce the method of update metric for NS-BH
*
* Revision 1.1 2003/10/21 11:46:13 k_taniguchi
* Definition of class Et_bin_nsbh
*
*
* $Header: /cvsroot/Lorene/C++/Include/et_bin_nsbh.h,v 1.9 2014/10/13 08:52:34 j_novak Exp $
*
*/
// Lorene headers
#include "etoile.h"
#include "bhole.h"
namespace Lorene {
/**
* Class for a star in a NS-BH binary system
*
* This class is a derived class from {\tt Etoile\_bin}
*
* @version #$Id: et_bin_nsbh.h,v 1.9 2014/10/13 08:52:34 j_novak Exp $#
*/
class Et_bin_nsbh : public Etoile_bin {
// Data :
// -----
protected:
/// Part of the lapse {\it N} generated principaly by the star.
Tenseur n_auto ;
/// Part of the lapse {\it N} generated principaly by the companion star.
Tenseur n_comp ;
/** Gradient of {\tt n\_auto}
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur d_n_auto ;
/** Gradient of {\tt n\_comp}
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur d_n_comp ;
/// Total conformal factor $\Psi$
Tenseur confpsi ;
/// Part of the conformal factor $\Psi$ generated principaly by the star.
Tenseur confpsi_auto ;
/** Part of the conformal factor $\Psi$ generated principaly
* by the companion star.
*/
Tenseur confpsi_comp ;
/** Gradient of {\tt confpsi\_auto}
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur d_confpsi_auto ;
/** Gradient of {\tt confpsi\_comp}
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur d_confpsi_comp ;
/** Part of the extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$
* generated by {\tt shift\_auto}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur_sym taij_auto ;
/** Part of the extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$
* generated by {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur_sym taij_comp ;
/** Total extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$
* generated by {\tt shift\_auto} and {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur_sym taij_tot ;
/** Part of the extrinsic curvature tensor $K^{ij}$
* generated by {\tt shift\_auto}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur_sym tkij_auto ;
/** Total extrinsic curvature tensor $K^{ij}$
* generated by {\tt shift\_auto} and {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
Tenseur_sym tkij_tot ;
/** Effective source at the previous step for the resolution of
* the Poisson equation for {\tt n\_auto} by means of
* {\tt Map\_et::poisson}.
*/
Cmp ssjm1_lapse ;
/** Effective source at the previous step for the resolution of
* the Poisson equation for {\tt confpsi\_auto} by means of
* {\tt Map\_et::poisson}.
*/
Cmp ssjm1_confpsi ;
// Constructors - Destructor
// -------------------------
public:
/** Standard constructor.
*
* @param mp_i Mapping on which the star will be defined
* @param nzet_i Number of domains occupied by the star
* @param relat should be {\tt true} for a relativistic star,
* {\tt false} for a Newtonian one
* @param eos_i Equation of state of the stellar matter
* @param irrot should be {\tt true} for an irrotational star,
* {\tt false} for a corotating one
* @param ref_triad_i Reference triad ("absolute frame"),
* with respect to which the components of all the member
* {\tt Tenseur}'s are defined, except for {\tt w\_shift}
* and {\tt ssjm1\_wshift} whose components are defined
* with respect to the mapping {\tt mp} Cartesian triad.
*/
Et_bin_nsbh(Map& mp_i, int nzet_i, bool relat, const Eos& eos_i,
bool irrot, const Base_vect& ref_triad_i) ;
Et_bin_nsbh(const Et_bin_nsbh& ) ; /// Copy constructor
/** Constructor from a file (see {\tt sauve(FILE* )})
*
* @param mp_i Mapping on which the star will be defined
* @param eos_i Equation of state of the stellar matter
* @param ref_triad_i Reference triad ("absolute frame"),
* with respect to which the components of all the member
* {\tt Tenseur}'s are defined, except for {\tt w\_shift}
* and {\tt ssjm1\_wshift} whose components are defined
* with respect to the mapping {\tt mp} Cartesian triad.
* @param fich input file (must have been created by the function
* {\tt sauve})
*/
Et_bin_nsbh(Map& mp_i, const Eos& eos_i, const Base_vect& ref_triad_i,
FILE* fich, bool old = false) ;
virtual ~Et_bin_nsbh() ; /// Destructor
// Mutators / assignment
// ---------------------
public:
/// Assignment to another {\tt Et\_bin\_nsbh}
void operator=(const Et_bin_nsbh&) ;
/** Read/write the lapse {\it N} generated principaly
* by the star.
*/
Tenseur& set_n_auto() ;
/** Read/write the lapse {\it N} generated principaly
* by the companion star.
*/
Tenseur& set_n_comp() ;
/** Read/write the conformal factor $\Psi$ generated principaly
* by the star.
*/
Tenseur& set_confpsi_auto() ;
/** Read/write the conformal factor $\Psi$ generated principaly
* by the companion star.
*/
Tenseur& set_confpsi_comp() ;
// Accessors
// ---------
public:
/** Returns the part of the lapse {\it N} generated principaly
* by the star.
*/
const Tenseur& get_n_auto() const {return n_auto;} ;
/** Returns the part of the lapse {\it N} generated principaly
* by the companion star.
*/
const Tenseur& get_n_comp() const {return n_comp;} ;
/** Returns the gradient of {\tt n\_auto}
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur& get_d_n_auto() const {return d_n_auto;} ;
/** Returns the gradient of {\tt n\_comp}
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur& get_d_n_comp() const {return d_n_comp;} ;
/// Returns the part of the conformal factor $\Psi$
const Tenseur& get_confpsi() const {return confpsi;} ;
/** Returns the part of the conformal factor $\Psi$
* generated principaly by the star.
*/
const Tenseur& get_confpsi_auto() const {return confpsi_auto;} ;
/** Returns the part of the conformal factor $\Psi$
* generated principaly by the companion star.
*/
const Tenseur& get_confpsi_comp() const {return confpsi_comp;} ;
/** Returns the gradient of {\tt confpsi\_auto}
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur& get_d_confpsi_auto() const {return d_confpsi_auto;} ;
/** Returns the gradient of {\tt confpsi\_comp}
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur& get_d_confpsi_comp() const {return d_confpsi_comp;} ;
/** Returns the part of the extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$ generated by {\tt shift\_auto}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur_sym& get_taij_auto() const {return taij_auto;} ;
/** Returns the part of the extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$ generated by {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur_sym& get_taij_comp() const {return tkij_comp;} ;
/** Returns the total extrinsic curvature tensor
* $\tilde A^{ij} = 2 N K^{ij}$
* generated by {\tt shift\_auto} and {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur_sym& get_taij_tot() const {return taij_tot;} ;
/** Returns the part of the extrinsic curvature tensor $K^{ij}$
* generated by {\tt shift\_auto}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur_sym& get_tkij_auto() const {return tkij_auto;} ;
/** Returns the total extrinsic curvature tensor $K^{ij}$
* generated by {\tt shift\_auto} and {\tt shift\_comp}.
* (Cartesian components with respect to {\tt ref\_triad})
*/
const Tenseur_sym& get_tkij_tot() const {return tkij_tot;} ;
// Outputs
// -------
public:
virtual void sauve(FILE *) const ; /// Save in a file
protected:
/// Operator >> (virtual function called by the operator <<).
virtual ostream& operator>>(ostream& ) const ;
// Global quantities
// -----------------
// Computational routines
// ----------------------
public:
void fait_taij_auto() ;
/** Computes metric coefficients from known potentials,
* when the companion is a black hole.
*
* @param comp companion black hole
*
*/
void update_metric(const Bhole& comp) ;
/** Computes the derivative of metric functions related to the
* companion black hole.
*
* @param comp companion BH.
*
*/
void update_metric_der_comp(const Bhole& comp) ;
/** Computes an equilibrium configuration in a NS-BH binary system.
*
* The values of {\tt n\_comp}, {\tt confpsi\_comp}, {\tt pot\_centri}
* are held fixed during the iteration.
*
* @param ent_c [input] Central enthalpy
* @param mermax [input] Maximum number of steps
* @param mermax_poisson [input] Maximum number of steps in
* Map\_et::poisson
* @param relax_poisson [input] Relaxation factor in Map\_et::poisson
* @param mermax_potvit [input] Maximum number of steps in
* Map\_radial::poisson\_compact
* @param relax_potvit [input] Relaxation factor in
* Map\_radial::poisson\_compact
* @param thres_adapt [input] Threshold on dH/dr for the adaptation
* of the mapping
* @param fact [input] 1-D {\tt Tbl} for the input
* of some factors : \\
* {\tt fact(0)} : A resizing factor for the first shell
* @param diff [output] 1-D {\tt Tbl} for the storage of some
* error indicators : \\
* {\tt diff(0)} : Relative change in the enthalpy field
* between two successive steps \\
* {\tt diff(1)} : Relative error returned by the routine
* {\tt Etoile\_bin::velocity\_potential}
* {\tt diff(2)} : Relative error in the resolution of the
* Poisson equation for {\tt n\_auto} \\
* {\tt diff(3)} : Relative error in the resolution of the
* Poisson equation for {\tt confpsi\_auto} \\
* {\tt diff(4)} : Relative error in the resolution of the
* equation for {\tt shift\_auto} (x comp.) \\
* {\tt diff(5)} : Relative error in the resolution of the
* equation for {\tt shift\_auto} (y comp.) \\
* {\tt diff(6)} : Relative error in the resolution of the
* equation for {\tt shift\_auto} (z comp.)
*/
virtual void equilibrium_nsbh(double ent_c, int mermax,
int mermax_poisson, double relax_poisson,
int mermax_potvit, double relax_potvit,
double thres_adapt,
const Tbl& fact, Tbl& diff) ;
void equilibrium_nsbh (bool, double, int&, int, int, double, int, double, Tbl&) ;
/** Computes the quantities \c bsn and \c pot_centri .
*
* The calculation is performed starting from the quantities
* \c nnn , \c shift , \c a_car ,
* which are supposed to be up to date.
*
* @param omega angular velocity with respect to an asymptotically
* inertial observer
* @param x_axe absolute X coordinate of the rotation axis
*/
virtual void kinematics(double omega, double x_axe) ;
double compute_angul() const ;
double compute_axe(double) const ;
friend class Bin_ns_bh ;
};
}
#endif
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