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|
/*
* Methods of class Binary
*
*/
/*
* Copyright (c) 2004 Francois Limousin
*
* 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 Binary_C[] = "$Header: /cvsroot/Lorene/C++/Source/Binary/binary.C,v 1.16 2014/10/13 08:52:44 j_novak Exp $" ;
/*
* $Id: binary.C,v 1.16 2014/10/13 08:52:44 j_novak Exp $
* $Log: binary.C,v $
* Revision 1.16 2014/10/13 08:52:44 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.15 2014/10/06 15:12:59 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.14 2005/09/15 14:39:14 e_gourgoulhon
* Added printing of angular momentum in display_poly.
*
* Revision 1.13 2005/09/13 19:38:31 f_limousin
* Reintroduction of the resolution of the equations in cartesian coordinates.
*
* Revision 1.12 2005/02/24 17:31:27 f_limousin
* Update of the function decouple().
*
* Revision 1.11 2005/02/18 13:14:06 j_novak
* Changing of malloc/free to new/delete + suppression of some unused variables
* (trying to avoid compilation warnings).
*
* Revision 1.10 2004/07/21 11:47:10 f_limousin
* Add / Delete comments.
*
* Revision 1.9 2004/05/25 14:25:12 f_limousin
* Add the virial theorem for conformally flat configurations.
*
* Revision 1.8 2004/03/25 10:29:01 j_novak
* All LORENE's units are now defined in the namespace Unites (in file unites.h).
*
* Revision 1.7 2004/03/23 10:00:47 f_limousin
* Minor changes.
*
* Revision 1.6 2004/02/27 09:59:33 f_limousin
* Modification in the routine decouple().
*
* Revision 1.5 2004/02/21 17:05:12 e_gourgoulhon
* Method Scalar::point renamed Scalar::val_grid_point.
* Method Scalar::set_point renamed Scalar::set_grid_point.
*
* Revision 1.4 2004/01/20 15:21:12 f_limousin
* First version
*
*
* $Header: /cvsroot/Lorene/C++/Source/Binary/binary.C,v 1.16 2014/10/13 08:52:44 j_novak Exp $
*
*/
// Headers C
#include <cmath>
// Headers Lorene
#include "binary.h"
#include "eos.h"
#include "utilitaires.h"
#include "graphique.h"
#include "param.h"
#include "unites.h"
//--------------//
// Constructors //
//--------------//
// Standard constructor
// --------------------
namespace Lorene {
Binary::Binary(Map& mp1, int nzet1, const Eos& eos1, int irrot1,
Map& mp2, int nzet2, const Eos& eos2, int irrot2,
int conf_flat)
: star1(mp1, nzet1, eos1, irrot1, conf_flat),
star2(mp2, nzet2, eos2, irrot2, conf_flat)
{
et[0] = &star1 ;
et[1] = &star2 ;
omega = 0 ;
x_axe = 0 ;
// Pointers of derived quantities initialized to zero :
set_der_0x0() ;
}
// Copy constructor
// ----------------
Binary::Binary(const Binary& bibi)
: star1(bibi.star1),
star2(bibi.star2),
omega(bibi.omega),
x_axe(bibi.x_axe)
{
et[0] = &star1 ;
et[1] = &star2 ;
// Pointers of derived quantities initialized to zero :
set_der_0x0() ;
}
// Constructor from a file
// -----------------------
Binary::Binary(Map& mp1, const Eos& eos1, Map& mp2, const Eos& eos2,
FILE* fich)
: star1(mp1, eos1, fich),
star2(mp2, eos2, fich)
{
et[0] = &star1 ;
et[1] = &star2 ;
// omega and x_axe are read in the file:
fread_be(&omega, sizeof(double), 1, fich) ;
fread_be(&x_axe, sizeof(double), 1, fich) ;
// Pointers of derived quantities initialized to zero :
set_der_0x0() ;
}
//------------//
// Destructor //
//------------//
Binary::~Binary(){
del_deriv() ;
}
//----------------------------------//
// Management of derived quantities //
//----------------------------------//
void Binary::del_deriv() const {
if (p_mass_adm != 0x0) delete p_mass_adm ;
if (p_mass_kom != 0x0) delete p_mass_kom ;
if (p_angu_mom != 0x0) delete p_angu_mom ;
if (p_total_ener != 0x0) delete p_total_ener ;
if (p_virial != 0x0) delete p_virial ;
if (p_ham_constr != 0x0) delete p_ham_constr ;
if (p_mom_constr != 0x0) delete p_mom_constr ;
set_der_0x0() ;
}
void Binary::set_der_0x0() const {
p_mass_adm = 0x0 ;
p_mass_kom = 0x0 ;
p_angu_mom = 0x0 ;
p_total_ener = 0x0 ;
p_virial = 0x0 ;
p_ham_constr = 0x0 ;
p_mom_constr = 0x0 ;
}
//--------------//
// Assignment //
//--------------//
// Assignment to another Binary
// --------------------------------
void Binary::operator=(const Binary& bibi) {
star1 = bibi.star1 ;
star2 = bibi.star2 ;
omega = bibi.omega ;
x_axe = bibi.x_axe ;
del_deriv() ; // Deletes all derived quantities
}
//--------------//
// Outputs //
//--------------//
// Save in a file
// --------------
void Binary::sauve(FILE* fich) const {
star1.sauve(fich) ;
star2.sauve(fich) ;
fwrite_be(&omega, sizeof(double), 1, fich) ;
fwrite_be(&x_axe, sizeof(double), 1, fich) ;
}
// Printing
// --------
ostream& operator<<(ostream& ost, const Binary& bibi) {
bibi >> ost ;
return ost ;
}
ostream& Binary::operator>>(ostream& ost) const {
using namespace Unites ;
ost << endl ;
ost << "Binary neutron stars" << endl ;
ost << "=============" << endl ;
ost << endl <<
"Orbital angular velocity : " << omega * f_unit << " rad/s" << endl ;
ost << endl <<
"Coordinate separation between the two stellar centers : "
<< separation() / km << " km" << endl ;
ost <<
"Absolute coordinate X of the rotation axis : " << x_axe / km
<< " km" << endl ;
ost << endl << "Star 1 : " << endl ;
ost << "====== " << endl ;
ost << star1 << endl ;
ost << "Star 2 : " << endl ;
ost << "====== " << endl ;
ost << star2 << endl ;
return ost ;
}
// Display in polytropic units
// ---------------------------
void Binary::display_poly(ostream& ost) const {
using namespace Unites ;
const Eos* p_eos1 = &( star1.get_eos() ) ;
const Eos_poly* p_eos_poly = dynamic_cast<const Eos_poly*>( p_eos1 ) ;
if (p_eos_poly != 0x0) {
assert( star1.get_eos() == star2.get_eos() ) ;
double kappa = p_eos_poly->get_kap() ;
double gamma = p_eos_poly->get_gam() ; ;
double kap_ns2 = pow( kappa, 0.5 /(gamma-1) ) ;
// Polytropic unit of length in terms of r_unit :
double r_poly = kap_ns2 / sqrt(ggrav) ;
// Polytropic unit of time in terms of t_unit :
double t_poly = r_poly ;
// Polytropic unit of mass in terms of m_unit :
double m_poly = r_poly / ggrav ;
// Polytropic unit of angular momentum in terms of j_unit :
double j_poly = r_poly * r_poly / ggrav ;
ost.precision(10) ;
ost << endl << "Quantities in polytropic units : " << endl ;
ost << "==============================" << endl ;
ost << " ( r_poly = " << r_poly / km << " km )" << endl ;
ost << " d_e_max : " << separation() / r_poly << endl ;
ost << " d_G : "
<< ( star2.xa_barycenter() - star1.xa_barycenter() ) / r_poly
<< endl ;
ost << " Omega : " << omega * t_poly << endl ;
ost << " J : " << angu_mom()(2) / j_poly << endl ;
ost << " M_ADM : " << mass_adm() / m_poly << endl ;
ost << " M_Komar : " << mass_kom() / m_poly << endl ;
ost << " M_bar(star 1) : " << star1.mass_b() / m_poly << endl ;
ost << " M_bar(star 2) : " << star2.mass_b() / m_poly << endl ;
ost << " R_0(star 1) : " <<
0.5 * ( star1.ray_eq() + star1.ray_eq_pi() ) / r_poly << endl ;
ost << " R_0(star 2) : " <<
0.5 * ( star2.ray_eq() + star2.ray_eq_pi() ) / r_poly << endl ;
}
}
void Binary::fait_decouple () {
int nz_un = star1.get_mp().get_mg()->get_nzone() ;
int nz_deux = star2.get_mp().get_mg()->get_nzone() ;
// We determine R_limite :
double distance = star2.get_mp().get_ori_x() - star1.get_mp().get_ori_x() ;
cout << "distance = " << distance << endl ;
double lim_un = distance/2. ;
double lim_deux = distance/2. ;
double int_un = distance/6. ;
double int_deux = distance/6. ;
// The functions used.
Scalar fonction_f_un (star1.get_mp()) ;
fonction_f_un = 0.5*pow(
cos((star1.get_mp().r-int_un)*M_PI/2./(lim_un-int_un)), 2.)+0.5 ;
fonction_f_un.std_spectral_base();
Scalar fonction_g_un (star1.get_mp()) ;
fonction_g_un = 0.5*pow
(sin((star1.get_mp().r-int_un)*M_PI/2./(lim_un-int_un)), 2.) ;
fonction_g_un.std_spectral_base();
Scalar fonction_f_deux (star2.get_mp()) ;
fonction_f_deux = 0.5*pow(
cos((star2.get_mp().r-int_deux)*M_PI/2./(lim_deux-int_deux)), 2.)+0.5 ;
fonction_f_deux.std_spectral_base();
Scalar fonction_g_deux (star2.get_mp()) ;
fonction_g_deux = 0.5*pow(
sin((star2.get_mp().r-int_deux)*M_PI/2./(lim_un-int_deux)), 2.) ;
fonction_g_deux.std_spectral_base();
// The functions total :
Scalar decouple_un (star1.get_mp()) ;
decouple_un.allocate_all() ;
Scalar decouple_deux (star2.get_mp()) ;
decouple_deux.allocate_all() ;
Mtbl xabs_un (star1.get_mp().xa) ;
Mtbl yabs_un (star1.get_mp().ya) ;
Mtbl zabs_un (star1.get_mp().za) ;
Mtbl xabs_deux (star2.get_mp().xa) ;
Mtbl yabs_deux (star2.get_mp().ya) ;
Mtbl zabs_deux (star2.get_mp().za) ;
double xabs, yabs, zabs, air_un, air_deux, theta, phi ;
for (int l=0 ; l<nz_un ; l++) {
int nr = star1.get_mp().get_mg()->get_nr (l) ;
if (l==nz_un-1)
nr -- ;
int np = star1.get_mp().get_mg()->get_np (l) ;
int nt = star1.get_mp().get_mg()->get_nt (l) ;
for (int k=0 ; k<np ; k++)
for (int j=0 ; j<nt ; j++)
for (int i=0 ; i<nr ; i++) {
xabs = xabs_un (l, k, j, i) ;
yabs = yabs_un (l, k, j, i) ;
zabs = zabs_un (l, k, j, i) ;
// Coordinates of the point
star1.get_mp().convert_absolute
(xabs, yabs, zabs, air_un, theta, phi) ;
star2.get_mp().convert_absolute
(xabs, yabs, zabs, air_deux, theta, phi) ;
if (air_un <= lim_un)
if (air_un < int_un)
decouple_un.set_grid_point(l, k, j, i) = 1 ;
else
// Close to star 1 :
decouple_un.set_grid_point(l, k, j, i) =
fonction_f_un.val_grid_point(l, k, j, i) ;
else
if (air_deux <= lim_deux)
if (air_deux < int_deux)
decouple_un.set_grid_point(l, k, j, i) = 0 ;
else
// Close to star 2 :
decouple_un.set_grid_point(l, k, j, i) =
fonction_g_deux.val_point (air_deux, theta, phi) ;
else
// Far from each star :
decouple_un.set_grid_point(l, k, j, i) = 0.5 ;
}
// Case infinity :
if (l==nz_un-1)
for (int k=0 ; k<np ; k++)
for (int j=0 ; j<nt ; j++)
decouple_un.set_grid_point(nz_un-1, k, j, nr)=0.5 ;
}
for (int l=0 ; l<nz_deux ; l++) {
int nr = star2.get_mp().get_mg()->get_nr (l) ;
if (l==nz_deux-1)
nr -- ;
int np = star2.get_mp().get_mg()->get_np (l) ;
int nt = star2.get_mp().get_mg()->get_nt (l) ;
for (int k=0 ; k<np ; k++)
for (int j=0 ; j<nt ; j++)
for (int i=0 ; i<nr ; i++) {
xabs = xabs_deux (l, k, j, i) ;
yabs = yabs_deux (l, k, j, i) ;
zabs = zabs_deux (l, k, j, i) ;
// coordinates of the point :
star1.get_mp().convert_absolute
(xabs, yabs, zabs, air_un, theta, phi) ;
star2.get_mp().convert_absolute
(xabs, yabs, zabs, air_deux, theta, phi) ;
if (air_deux <= lim_deux)
if (air_deux < int_deux)
decouple_deux.set_grid_point(l, k, j, i) = 1 ;
else
// close to star two :
decouple_deux.set_grid_point(l, k, j, i) =
fonction_f_deux.val_grid_point(l, k, j, i) ;
else
if (air_un <= lim_un)
if (air_un < int_un)
decouple_deux.set_grid_point(l, k, j, i) = 0 ;
else
// close to star one :
decouple_deux.set_grid_point(l, k, j, i) =
fonction_g_un.val_point (air_un, theta, phi) ;
else
// Far from each star :
decouple_deux.set_grid_point(l, k, j, i) = 0.5 ;
}
// Case infinity :
if (l==nz_deux-1)
for (int k=0 ; k<np ; k++)
for (int j=0 ; j<nt ; j++)
decouple_deux.set_grid_point(nz_un-1, k, j, nr)=0.5 ;
}
decouple_un.std_spectral_base() ;
decouple_deux.std_spectral_base() ;
int nr = star1.get_mp().get_mg()->get_nr (1) ;
int nt = star1.get_mp().get_mg()->get_nt (1) ;
int np = star1.get_mp().get_mg()->get_np (1) ;
cout << "decouple_un" << endl << norme(decouple_un/(nr*nt*np)) << endl ;
cout << "decouple_deux" << endl << norme(decouple_deux/(nr*nt*np))
<< endl ;
star1.decouple = decouple_un ;
star2.decouple = decouple_deux ;
}
void Binary::write_global(ostream& ost) const {
using namespace Unites ;
const Map& mp1 = star1.get_mp() ;
const Mg3d* mg1 = mp1.get_mg() ;
int nz1 = mg1->get_nzone() ;
ost.precision(5) ;
ost << "# Grid 1 : " << nz1 << "x"
<< mg1->get_nr(0) << "x" << mg1->get_nt(0) << "x" << mg1->get_np(0)
<< " R_out(l) [km] : " ;
for (int l=0; l<nz1; l++) {
ost << " " << mp1.val_r(l, 1., M_PI/2, 0) / km ;
}
ost << endl ;
ost << "# VE(M) " << endl ;
ost.setf(ios::scientific) ;
ost.width(14) ;
ost << virial() << endl ;
ost << "# d [km] "
<< " d_G [km] "
<< " d/(a1 +a1') "
<< " f [Hz] "
<< " M_ADM [M_sol] "
<< " M_ADM_vol [M_sol] "
<< " M_Komar [M_sol] "
<< " M_Komar_vol [M_sol] "
<< " J [G M_sol^2/c] " << endl ;
ost.precision(14) ;
ost.width(20) ;
ost << separation() / km ; ost.width(22) ;
ost << ( star2.xa_barycenter() - star1.xa_barycenter() ) / km ; ost.width(22) ;
ost << separation() / (star1.ray_eq() + star2.ray_eq()) ; ost.width(22) ;
ost << omega / (2*M_PI)* f_unit ; ost.width(22) ;
ost << mass_adm() / msol ; ost.width(22) ;
ost << mass_adm_vol() / msol ; ost.width(22) ;
ost << mass_kom() / msol ; ost.width(22) ;
ost << mass_kom_vol() / msol ; ost.width(22) ;
ost << angu_mom()(2)/ ( qpig / (4* M_PI) * msol*msol) << endl ;
ost << "# H_c(1)[c^2] "
<< " e_c(1)[rho_nuc] "
<< " M_B(1) [M_sol] "
<< " r_eq(1) [km] "
<< " a2/a1(1) "
<< " a3/a1(1) " << endl ;
ost.width(20) ;
ost << star1.get_ent().val_grid_point(0,0,0,0) ; ost.width(22) ;
ost << star1.get_ener().val_grid_point(0,0,0,0) ; ost.width(22) ;
ost << star1.mass_b() / msol ; ost.width(22) ;
ost << star1.ray_eq() / km ; ost.width(22) ;
ost << star1.ray_eq_pis2() / star1.ray_eq() ; ost.width(22) ;
ost << star1.ray_pole() / star1.ray_eq() << endl ;
ost << "# H_c(2)[c^2] "
<< " e_c(2)[rho_nuc] "
<< " M_B(2) [M_sol] "
<< " r_eq(2) [km] "
<< " a2/a1(2) "
<< " a3/a1(2) " << endl ;
ost.width(20) ;
ost << star2.get_ent().val_grid_point(0,0,0,0) ; ost.width(22) ;
ost << star2.get_ener().val_grid_point(0,0,0,0) ; ost.width(22) ;
ost << star2.mass_b() / msol ; ost.width(22) ;
ost << star2.ray_eq() / km ; ost.width(22) ;
ost << star2.ray_eq_pis2() / star1.ray_eq() ; ost.width(22) ;
ost << star2.ray_pole() / star1.ray_eq() << endl ;
// Quantities in polytropic units if the EOS is a polytropic one
// -------------------------------------------------------------
const Eos* p_eos1 = &( star1.get_eos() ) ;
const Eos_poly* p_eos_poly = dynamic_cast<const Eos_poly*>( p_eos1 ) ;
if ((p_eos_poly != 0x0) && ( star1.get_eos() == star2.get_eos() )) {
double kappa = p_eos_poly->get_kap() ;
double gamma = p_eos_poly->get_gam() ; ;
double kap_ns2 = pow( kappa, 0.5 /(gamma-1.) ) ;
// Polytropic unit of length in terms of r_unit :
double r_poly = kap_ns2 / sqrt(ggrav) ;
// Polytropic unit of time in terms of t_unit :
double t_poly = r_poly ;
// Polytropic unit of mass in terms of m_unit :
double m_poly = r_poly / ggrav ;
// Polytropic unit of angular momentum in terms of j_unit :
double j_poly = r_poly * r_poly / ggrav ;
ost << "# d [poly] "
<< " d_G [poly] "
<< " Omega [poly] "
<< " M_ADM [poly] "
<< " J [poly] "
<< " M_B(1) [poly] "
<< " M_B(2) [poly] " << endl ;
ost.width(20) ;
ost << separation() / r_poly ; ost.width(22) ;
ost << ( star2.xa_barycenter() - star1.xa_barycenter() ) / r_poly ; ost.width(22) ;
ost << omega * t_poly ; ost.width(22) ;
ost << mass_adm() / m_poly ; ost.width(22) ;
ost << angu_mom()(2) / j_poly ; ost.width(22) ;
ost << star1.mass_b() / m_poly ; ost.width(22) ;
ost << star2.mass_b() / m_poly << endl ;
}
}
//-------------------------------//
// Miscellaneous //
//-------------------------------//
double Binary::separation() const {
double dx = star1.mp.get_ori_x() - star2.mp.get_ori_x() ;
double dy = star1.mp.get_ori_y() - star2.mp.get_ori_y() ;
double dz = star1.mp.get_ori_z() - star2.mp.get_ori_z() ;
return sqrt( dx*dx + dy*dy + dz*dz ) ;
}
}
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