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/*
* Main code for computation of binary black hole quasiequilibrium
* configuration
*
*
*/
/*
* Copyright (c) 2004-2005 Francois Limousin
* Jose Luis Jaramillo
*
* 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
*
*/
char coal_bh_C[] = "$Header: /cvsroot/Lorene/Codes/Bin_hor/coal_bh.C,v 1.14 2014/10/13 08:53:53 j_novak Exp $" ;
/*
* $Id: coal_bh.C,v 1.14 2014/10/13 08:53:53 j_novak Exp $
* $Log: coal_bh.C,v $
* Revision 1.14 2014/10/13 08:53:53 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.13 2014/10/06 15:09:41 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.12 2007/04/13 15:30:58 f_limousin
* Lots of improvements, generalisation to an arbitrary state of
* rotation, implementation of the spatial metric given by Samaya.
*
* Revision 1.11 2006/08/01 14:13:41 f_limousin
* New version...
*
* Revision 1.10 2006/06/29 08:54:51 f_limousin
* Boundary conditions and grid writen in resformat.dat
*
* Revision 1.9 2006/06/28 13:36:52 f_limousin
* Convergence to a given irreductible mass
*
* Revision 1.8 2006/05/24 16:59:08 f_limousin
* New version
*
* Revision 1.6 2005/06/09 16:17:21 f_limousin
* Many different changes.
*
* Revision 1.4 2005/03/10 16:57:02 f_limousin
* Improve the convergence of the code coal_bh.
*
* Revision 1.3 2005/03/04 09:41:34 f_limousin
* New construction of the object Bin_hor
*
* Revision 1.2 2005/02/25 12:32:35 f_limousin
* The boundary conditions for psi, N and beta are now parameters in
* par_init.d and par_coal.d.
*
* Revision 1.1 2004/12/31 15:42:50 f_limousin
* First version
*
*
* $Header: /cvsroot/Lorene/Codes/Bin_hor/coal_bh.C,v 1.14 2014/10/13 08:53:53 j_novak Exp $
*
*/
//standard
#include <cstdlib>
#include <cmath>
// LORENE
#include "type_parite.h"
#include "nbr_spx.h"
#include "proto.h"
#include "coord.h"
#include "tenseur.h"
#include "tensor.h"
#include "isol_hor.h"
#include "utilitaires.h"
#include "graphique.h"
using namespace Lorene ;
int main() {
char blabla [120] ;
char nomini[120] ;
double omega_init, relax, precis_viriel, lim_nn, mass_irr, alpha ;
int nb_om, nb_it, bound_nn, bound_psi, bound_beta, search_mass ;
ifstream param("par_coal.d") ;
if ( !param.good() ) {
cout << "Problem with opening the file par_coal.d ! " << endl ;
abort() ;
}
param.ignore(1000, '\n') ;
param.ignore(1000, '\n') ;
param.getline(nomini, 80) ;
param >> omega_init ; param.getline(blabla, 120) ;
param >> search_mass ;
param >> mass_irr ; param.ignore(1000, '\n');
param >> precis_viriel ; param.getline(blabla, 120) ;
param >> relax ; param.getline(blabla, 120) ;
param >> nb_om ; param.getline(blabla, 120) ;
param >> nb_it ; param.getline(blabla, 120) ;
param >> bound_beta ; param.getline(blabla, 120) ;
param >> alpha ; param.getline(blabla, 120) ;
param.close() ;
FILE* fich = fopen(nomini, "r") ;
Mg3d grid (fich) ;
Map_af map_un (grid, fich) ;
Map_af map_deux (grid, fich) ;
Bin_hor bin(map_un, map_deux, fich) ;
fread_be(&bound_nn, sizeof(int), 1, fich) ;
fread_be(&lim_nn, sizeof(double), 1, fich) ;
fread_be(&bound_psi, sizeof(int), 1, fich) ;
fclose(fich) ;
bin.set_omega(0) ;
bin.set(1).n_comp_import (bin(2)) ;
bin.set(1).psi_comp_import (bin(2)) ;
bin.set(1).beta_comp_import (bin(2)) ;
bin.set(2).n_comp_import (bin(1)) ;
bin.set(2).psi_comp_import (bin(1)) ;
bin.set(2).beta_comp_import (bin(1)) ;
bin.decouple() ;
bin.extrinsic_curvature() ;
double separation = bin(1).get_mp().get_ori_x() -
bin(2).get_mp().get_ori_x() ;
cout << "CALCUL AVEC SEPARATION = " << separation << endl ;
ofstream fich_iteration("iteration.dat") ;
fich_iteration.precision(8) ;
ofstream fich_correction("correction.dat") ;
fich_correction.precision(8) ;
ofstream fich_viriel("viriel.dat") ;
fich_viriel.precision(8) ;
ofstream fich_kss("kss.dat") ;
fich_kss.precision(8) ;
fich_iteration << "# step precision omega" << endl ;
fich_correction << "# step regularisation omega" << endl ;
fich_viriel << "# step viriel omega" << endl ;
fich_kss << "# step kss omega" << endl ;
int step = 0 ;
double omega_eff = alpha * omega_init ;
cout << "step = " << step << endl ;
double erreur = bin.coal(omega_init, relax, nb_om, nb_it, bound_nn,
lim_nn, bound_psi, bound_beta, omega_eff, alpha,
fich_iteration, fich_correction,
fich_viriel, fich_kss, step, search_mass,
mass_irr, 1) ;
step += nb_om + nb_it ;
// Convergence to the true Omega
// ------------------------------
bool boucle = true ;
double omega = omega_init ;
while (boucle) {
omega = omega * pow((2-erreur)/(2-2*erreur), 1.) ;
double om_loc = bin(1).omega_hor() ;
double diff_om = alpha * omega - om_loc ;
if (omega_eff != 0)
omega_eff = omega_eff * pow((2-diff_om)/(2-2*diff_om), 4.) ;
else
omega_eff = 0.5*diff_om ;
Scalar beta_old (bin(1).get_beta_auto()(1)) ;
erreur = bin.coal (omega, relax, 1, 0, bound_nn,
lim_nn, bound_psi, bound_beta, omega_eff, alpha,
fich_iteration, fich_correction,
fich_viriel, fich_kss, step, search_mass,
mass_irr, 1) ;
double erreur_it = 0 ;
Tbl diff (diffrelmax (beta_old, bin(1).get_beta_auto()(1))) ;
for (int i=1 ; i<bin(1).get_mp().get_mg()->get_nzone() ; i++)
if (diff(i) > erreur_it)
erreur_it = diff(i) ;
if (fabs(erreur) < precis_viriel && erreur_it < precis_viriel)
boucle = false ;
step += 1 ;
}
fich_iteration.close() ;
fich_correction.close() ;
fich_viriel.close() ;
fich_kss.close() ;
FILE* fich_sortie = fopen("bin.dat", "w") ;
grid.sauve(fich_sortie) ;
map_un.sauve(fich_sortie) ;
map_deux.sauve(fich_sortie) ;
bin.sauve(fich_sortie) ;
fclose(fich_sortie) ;
ofstream seqfich("resformat.dat") ;
if ( !seqfich.good() ) {
cout << "coal_bh : problem with opening the file resformat.d !"
<< endl ;
abort() ;
}
bin.write_global(seqfich, lim_nn, bound_nn, bound_psi, bound_beta, alpha) ;
seqfich.close() ;
return EXIT_SUCCESS ;
}
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