LORENE
bhole_coal.C
1 /*
2  * Copyright (c) 2000-2001 Philippe Grandclement
3  *
4  * This file is part of LORENE.
5  *
6  * LORENE is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * LORENE is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with LORENE; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 
23 char bhole_coal_C[] = "$Header: /cvsroot/Lorene/C++/Source/Bhole_binaire/bhole_coal.C,v 1.8 2014/10/13 08:52:40 j_novak Exp $" ;
24 
25 /*
26  * $Id: bhole_coal.C,v 1.8 2014/10/13 08:52:40 j_novak Exp $
27  * $Log: bhole_coal.C,v $
28  * Revision 1.8 2014/10/13 08:52:40 j_novak
29  * Lorene classes and functions now belong to the namespace Lorene.
30  *
31  * Revision 1.7 2014/10/06 15:12:58 j_novak
32  * Modified #include directives to use c++ syntax.
33  *
34  * Revision 1.6 2005/08/31 09:48:00 m_saijo
35  * Delete one <math.h>
36  *
37  * Revision 1.5 2005/08/31 09:06:18 p_grandclement
38  * add math.h in bhole_coal.C
39  *
40  * Revision 1.4 2005/08/29 15:10:14 p_grandclement
41  * Addition of things needed :
42  * 1) For BBH with different masses
43  * 2) Provisory files for the mixted binaries (Bh and NS) : THIS IS NOT
44  * WORKING YET !!!
45  *
46  * Revision 1.3 2003/11/13 13:43:54 p_grandclement
47  * Addition of things needed for Bhole::update_metric (const Etoile_bin&, double, double)
48  *
49  * Revision 1.2 2002/10/16 14:36:32 j_novak
50  * Reorganization of #include instructions of standard C++, in order to
51  * use experimental version 3 of gcc.
52  *
53  * Revision 1.1.1.1 2001/11/20 15:19:28 e_gourgoulhon
54  * LORENE
55  *
56  * Revision 2.15 2001/05/07 09:12:17 phil
57  * *** empty log message ***
58  *
59  * Revision 2.14 2001/04/26 12:23:06 phil
60  * *** empty log message ***
61  *
62  * Revision 2.13 2001/04/26 12:04:17 phil
63  * *** empty log message ***
64  *
65  * Revision 2.12 2001/03/22 10:49:42 phil
66  * *** empty log message ***
67  *
68  * Revision 2.11 2001/02/28 13:23:54 phil
69  * vire kk_auto
70  *
71  * Revision 2.10 2001/01/29 14:31:04 phil
72  * ajout tuype rotation
73  *
74  * Revision 2.9 2001/01/22 09:29:34 phil
75  * vire convergence vers bare masse
76  *
77  * Revision 2.8 2001/01/10 09:31:52 phil
78  * ajoute fait_kk_auto
79  *
80  * Revision 2.7 2000/12/20 15:02:57 phil
81  * *** empty log message ***
82  *
83  * Revision 2.6 2000/12/20 09:09:48 phil
84  * ajout set_statiques
85  *
86  * Revision 2.5 2000/12/18 17:43:06 phil
87  * ajout sortie pour le rayon
88  *
89  * Revision 2.4 2000/12/18 16:38:39 phil
90  * ajout convergence vers une masse donneee
91  *
92  * Revision 2.3 2000/12/14 10:45:38 phil
93  * ATTENTION : PASSAGE DE PHI A PSI
94  *
95  * Revision 2.2 2000/12/04 14:29:17 phil
96  * changement nom omega pour eviter interference avec membre prive
97  *
98  * Revision 2.1 2000/11/17 10:07:14 phil
99  * corrections diverses
100  *
101  * Revision 2.0 2000/11/17 10:04:08 phil
102  * *** empty log message ***
103  *
104  *
105  * $Header: /cvsroot/Lorene/C++/Source/Bhole_binaire/bhole_coal.C,v 1.8 2014/10/13 08:52:40 j_novak Exp $
106  *
107  */
108 
109 //standard
110 #include <cmath>
111 #include <cstdlib>
112 
113 // Lorene
114 #include "tenseur.h"
115 #include "bhole.h"
116 
117 namespace Lorene {
118 void Bhole_binaire::set_statiques (double precis, double relax) {
119 
120  int nz_un = hole1.mp.get_mg()->get_nzone() ;
121  int nz_deux = hole2.mp.get_mg()->get_nzone() ;
122 
123  set_omega(0) ;
125 
126  int indic = 1 ;
127  int conte = 0 ;
128 
129  cout << "TROUS STATIQUES : " << endl ;
130  while (indic == 1) {
131  Cmp lapse_un_old (hole1.get_n_auto()()) ;
132  Cmp lapse_deux_old (hole2.get_n_auto()()) ;
133 
134  solve_psi (precis, relax) ;
135  solve_lapse (precis, relax) ;
136 
137  double erreur = 0 ;
138  Tbl diff_un (diffrelmax (lapse_un_old, hole1.get_n_auto()())) ;
139  for (int i=1 ; i<nz_un ; i++)
140  if (diff_un(i) > erreur)
141  erreur = diff_un(i) ;
142 
143  Tbl diff_deux (diffrelmax (lapse_deux_old, hole2.get_n_auto()())) ;
144  for (int i=1 ; i<nz_deux ; i++)
145  if (diff_deux(i) > erreur)
146  erreur = diff_deux(i) ;
147 
148 
149  cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
150 
151  if (erreur < precis)
152  indic = -1 ;
153  conte ++ ;
154  }
155 }
156 
157 void Bhole_binaire::coal (double precis, double relax, int nbre_ome, double seuil_search, double m1, double m2, const int sortie) {
158 
159  assert (omega == 0) ;
160  int nz1 = hole1.mp.get_mg()->get_nzone() ;
161  int nz2 = hole1.mp.get_mg()->get_nzone() ;
162 
163  // Distance initiale
164  double distance = hole1.mp.get_ori_x()-hole2.mp.get_ori_x() ;
165  set_pos_axe (distance*(hole2.rayon/(hole1.rayon+hole2.rayon))) ;
166  double scale_linear = (hole1.rayon + hole2.rayon)/2.*distance ;
167 
168  // Omega initial :
169  double angulaire = sqrt((hole1.rayon+hole2.rayon)/distance/distance/distance) ;
170 
171  int indic = 1 ;
172  int conte = 0 ;
173 
174  char name_iteration[40] ;
175  char name_correction[40] ;
176  char name_viriel[40] ;
177  char name_ome [40] ;
178  char name_linear[40] ;
179  char name_axe[40] ;
180  char name_error_m1[40] ;
181  char name_error_m2[40] ;
182  char name_r1[40] ;
183  char name_r2[40] ;
184 
185  sprintf(name_iteration, "ite.dat") ;
186  sprintf(name_correction, "cor.dat") ;
187  sprintf(name_viriel, "vir.dat") ;
188  sprintf(name_ome, "ome.dat") ;
189  sprintf(name_linear, "linear.dat") ;
190  sprintf(name_axe, "axe.dat") ;
191  sprintf(name_error_m1, "error_m1.dat") ;
192  sprintf(name_error_m2, "error_m2.dat") ;
193  sprintf(name_r1, "r1.dat") ;
194  sprintf(name_r2, "r2.dat") ;
195 
196  ofstream fiche_iteration(name_iteration) ;
197  fiche_iteration.precision(8) ;
198 
199  ofstream fiche_correction(name_correction) ;
200  fiche_correction.precision(8) ;
201 
202  ofstream fiche_viriel(name_viriel) ;
203  fiche_viriel.precision(8) ;
204 
205  ofstream fiche_ome(name_ome) ;
206  fiche_ome.precision(8) ;
207 
208  ofstream fiche_linear(name_linear) ;
209  fiche_linear.precision(8) ;
210 
211  ofstream fiche_axe(name_axe) ;
212  fiche_axe.precision(8) ;
213 
214  ofstream fiche_error_m1 (name_error_m1) ;
215  fiche_error_m1.precision(8) ;
216 
217  ofstream fiche_error_m2 (name_error_m2) ;
218  fiche_error_m2.precision(8) ;
219 
220  ofstream fiche_r1 (name_r1) ;
221  fiche_r1.precision(8) ;
222 
223  ofstream fiche_r2 (name_r2) ;
224  fiche_r2.precision(8) ;
225 
226  // LA BOUCLE EN AUGMENTANT OMEGA A LA MAIN PROGRESSIVEMENT :
227  cout << "OMEGA AUGMENTE A LA MAIN." << endl ;
228  double homme = 0 ;
229  for (int pas = 0 ; pas <nbre_ome ; pas ++) {
230 
231  homme += angulaire/nbre_ome ;
232  set_omega (homme) ;
233 
234  Cmp shift_un_old (hole1.get_shift_auto()(0)) ;
235  Cmp shift_deux_old (hole2.get_shift_auto()(0)) ;
236 
237  solve_shift (precis, relax) ;
238  fait_tkij() ;
239 
240  solve_psi (precis, relax) ;
241  solve_lapse (precis, relax) ;
242 
243  double erreur = 0 ;
244  Tbl diff_un (diffrelmax (shift_un_old, hole1.get_shift_auto()(0))) ;
245  for (int i=1 ; i<nz1 ; i++)
246  if (diff_un(i) > erreur)
247  erreur = diff_un(i) ;
248 
249  Tbl diff_deux (diffrelmax (shift_deux_old, hole2.get_shift_auto()(0))) ;
250  for (int i=1 ; i<nz2 ; i++)
251  if (diff_deux(i) > erreur)
252  erreur = diff_deux(i) ;
253 
254  double error_viriel = viriel() ;
255  double error_linear = linear_momentum_systeme_inf()(1)/scale_linear ;
256  double error_m1 = 1.-sqrt(hole1.area()/16./M_PI)/m1 ;
257  double error_m2 = 1.-sqrt(hole2.area()/16./M_PI)/m2 ;
258  double r1 = hole1.mp.val_r(0, 1, 0, 0) ;
259  double r2 = hole2.mp.val_r(0, 1, 0, 0) ;
260 
261  if (sortie != 0) {
262  fiche_iteration << conte << " " << erreur << endl ;
263  fiche_correction << conte << " " << hole1.get_regul() << " " << hole2.get_regul() << endl ;
264  fiche_viriel << conte << " " << error_viriel << endl ;
265  fiche_ome << conte << " " << homme << endl ;
266  fiche_linear << conte << " " << error_linear << endl ;
267  fiche_axe << conte << " " << pos_axe << endl ;
268  fiche_error_m1 << conte << " " << error_m1 << endl ;
269  fiche_error_m2 << conte << " " << error_m2 << endl ;
270  fiche_r1 << conte << " " << r1 << endl ;
271  fiche_r2 << conte << " " << r2 << endl ;
272  }
273 
274  cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
275  conte ++ ;
276  }
277 
278  // BOUCLE AVEC BLOQUE :
279  cout << "OMEGA VARIABLE" << endl ;
280  indic = 1 ;
281  bool scale = false ;
282 
283  while (indic == 1) {
284 
285  Cmp shift_un_old (hole1.get_shift_auto()(0)) ;
286  Cmp shift_deux_old (hole2.get_shift_auto()(0)) ;
287 
288  solve_shift (precis, relax) ;
289  fait_tkij() ;
290 
291  solve_psi (precis, relax) ;
292  solve_lapse (precis, relax) ;
293 
294  double erreur = 0 ;
295  Tbl diff_un (diffrelmax (shift_un_old, hole1.get_shift_auto()(0))) ;
296  for (int i=1 ; i<nz1 ; i++)
297  if (diff_un(i) > erreur)
298  erreur = diff_un(i) ;
299 
300  Tbl diff_deux (diffrelmax (shift_deux_old, hole2.get_shift_auto()(0))) ;
301  for (int i=1 ; i<nz2 ; i++)
302  if (diff_deux(i) > erreur)
303  erreur = diff_deux(i) ;
304 
305  double error_viriel = viriel() ;
306  double error_linear = linear_momentum_systeme_inf()(1)/scale_linear ;
307  double error_m1 = 1.-sqrt(hole1.area()/16./M_PI)/m1 ;
308  double error_m2 = 1.-sqrt(hole2.area()/16./M_PI)/m2 ;
309  double r1 = hole1.mp.val_r(0, 1, 0, 0) ;
310  double r2 = hole2.mp.val_r(0, 1, 0, 0) ;
311 
312  if (sortie != 0) {
313  fiche_iteration << conte << " " << erreur << endl ;
314  fiche_correction << conte << " " << hole1.regul << " " << hole2.regul << endl ;
315  fiche_viriel << conte << " " << error_viriel << endl ;
316  fiche_ome << conte << " " << omega << endl ;
317  fiche_linear << conte << " " << error_linear << endl ;
318  fiche_axe << conte << " " << pos_axe << endl ;
319  fiche_error_m1 << conte << " " << error_m1 << endl ;
320  fiche_error_m2 << conte << " " << error_m2 << endl ;
321  fiche_r1 << conte << " " << r1 << endl ;
322  fiche_r2 << conte << " " << r2 << endl ;
323  }
324 
325  // On modifie omega, position de l'axe et les masses !
326  if (erreur <= seuil_search)
327  scale = true ;
328  if (scale) {
329  double scaling_ome = pow((2-error_viriel)/(2-2*error_viriel), 1.) ;
330  set_omega (omega*scaling_ome) ;
331 
332  double scaling_axe = pow((2-error_linear)/(2-2*error_linear), 0.1) ;
333  set_pos_axe (pos_axe*scaling_axe) ;
334 
335  double scaling_r1 = pow((2-error_m1)/(2-2*error_m1), 0.1) ;
336  hole1.mp.homothetie_interne(scaling_r1) ;
337 
338  double scaling_r2 = pow((2-error_m2)/(2-2*error_m2), 0.1) ;
339  hole2.mp.homothetie_interne(scaling_r2) ;
340  }
341 
342  cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
343  if (erreur < precis)
344  indic = -1 ;
345  conte ++ ;
346  }
347 
348  fiche_iteration.close() ;
349  fiche_correction.close() ;
350  fiche_viriel.close() ;
351  fiche_ome.close() ;
352  fiche_linear.close() ;
353  fiche_axe.close() ;
354  fiche_error_m1.close() ;
355  fiche_error_m2.close() ;
356  fiche_r1.close() ;
357  fiche_r2.close() ;
358 }
359 }
double omega
Position of the axis of rotation.
Definition: bhole.h:769
Bhole hole1
Black hole one.
Definition: bhole.h:762
double viriel() const
Computes the viriel error, that is the difference between the ADM and the Komar masses,...
void set_statiques(double precis, double relax)
Initialize the systeme to Misner Lindquist solution, that is solving for N and in the case .
Definition: bhole_coal.C:118
void solve_shift(double precis, double relax)
Solves the equation for the shift, using the Oohara-Nakarmure scheme~:
void set_omega(double ome)
Sets the orbital velocity to ome.
Definition: bhole.h:791
Bhole hole2
Black hole two.
Definition: bhole.h:763
void solve_psi(double precis, double relax)
Solves the equation for the conformal factor~:
void coal(double precis, double relax, int nbre_ome, double search_ome, double m1, double m2, const int sortie=0)
Solves the equation for a particular angular velocity, the systeme being initialized to Misner-Lindqu...
Definition: bhole_coal.C:157
void solve_lapse(double precis, double relax)
Solves the equation for the lapse~:
void fait_tkij()
Calculation af the extrinsic curvature tensor.
Definition: bhole_kij.C:88
void init_bhole_binaire()
Initialisation of the system.
double regul
Intensity of the correction on the shift vector.
Definition: bhole.h:284
double get_regul() const
Returns the intensity of the regularisation on .
Definition: bhole.h:390
const Tenseur & get_shift_auto() const
Returns the part of generated by the hole.
Definition: bhole.h:440
double rayon
Radius of the horizon in LORENE's units.
Definition: bhole.h:274
double area() const
Computes the area of the throat.
Definition: bhole.C:545
Map_af & mp
Affine mapping.
Definition: bhole.h:273
const Tenseur & get_n_auto() const
Returns the part of N generated by the hole.
Definition: bhole.h:395
Component of a tensorial field *** DEPRECATED : use class Scalar instead ***.
Definition: cmp.h:446
void homothetie_interne(double lambda)
Sets a new radial scale at the bondary between the nucleus and the first shell.
Definition: map_af.C:614
virtual double val_r(int l, double xi, double theta, double pphi) const
Returns the value of the radial coordinate r for a given in a given domain.
Definition: map_af_radius.C:96
const Mg3d * get_mg() const
Gives the Mg3d on which the mapping is defined.
Definition: map.h:765
double get_ori_x() const
Returns the x coordinate of the origin.
Definition: map.h:768
int get_nzone() const
Returns the number of domains.
Definition: grilles.h:448
Basic array class.
Definition: tbl.h:161
Cmp sqrt(const Cmp &)
Square root.
Definition: cmp_math.C:220
Cmp pow(const Cmp &, int)
Power .
Definition: cmp_math.C:348
Tbl diffrelmax(const Cmp &a, const Cmp &b)
Relative difference between two Cmp (max version).
Definition: cmp_math.C:539
Lorene prototypes.
Definition: app_hor.h:64