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
24
25/*
26 * $Id: bhole_coal.C,v 1.9 2016/12/05 16:17:45 j_novak Exp $
27 * $Log: bhole_coal.C,v $
28 * Revision 1.9 2016/12/05 16:17:45 j_novak
29 * Suppression of some global variables (file names, loch, ...) to prevent redefinitions
30 *
31 * Revision 1.8 2014/10/13 08:52:40 j_novak
32 * Lorene classes and functions now belong to the namespace Lorene.
33 *
34 * Revision 1.7 2014/10/06 15:12:58 j_novak
35 * Modified #include directives to use c++ syntax.
36 *
37 * Revision 1.6 2005/08/31 09:48:00 m_saijo
38 * Delete one <math.h>
39 *
40 * Revision 1.5 2005/08/31 09:06:18 p_grandclement
41 * add math.h in bhole_coal.C
42 *
43 * Revision 1.4 2005/08/29 15:10:14 p_grandclement
44 * Addition of things needed :
45 * 1) For BBH with different masses
46 * 2) Provisory files for the mixted binaries (Bh and NS) : THIS IS NOT
47 * WORKING YET !!!
48 *
49 * Revision 1.3 2003/11/13 13:43:54 p_grandclement
50 * Addition of things needed for Bhole::update_metric (const Etoile_bin&, double, double)
51 *
52 * Revision 1.2 2002/10/16 14:36:32 j_novak
53 * Reorganization of #include instructions of standard C++, in order to
54 * use experimental version 3 of gcc.
55 *
56 * Revision 1.1.1.1 2001/11/20 15:19:28 e_gourgoulhon
57 * LORENE
58 *
59 * Revision 2.15 2001/05/07 09:12:17 phil
60 * *** empty log message ***
61 *
62 * Revision 2.14 2001/04/26 12:23:06 phil
63 * *** empty log message ***
64 *
65 * Revision 2.13 2001/04/26 12:04:17 phil
66 * *** empty log message ***
67 *
68 * Revision 2.12 2001/03/22 10:49:42 phil
69 * *** empty log message ***
70 *
71 * Revision 2.11 2001/02/28 13:23:54 phil
72 * vire kk_auto
73 *
74 * Revision 2.10 2001/01/29 14:31:04 phil
75 * ajout tuype rotation
76 *
77 * Revision 2.9 2001/01/22 09:29:34 phil
78 * vire convergence vers bare masse
79 *
80 * Revision 2.8 2001/01/10 09:31:52 phil
81 * ajoute fait_kk_auto
82 *
83 * Revision 2.7 2000/12/20 15:02:57 phil
84 * *** empty log message ***
85 *
86 * Revision 2.6 2000/12/20 09:09:48 phil
87 * ajout set_statiques
88 *
89 * Revision 2.5 2000/12/18 17:43:06 phil
90 * ajout sortie pour le rayon
91 *
92 * Revision 2.4 2000/12/18 16:38:39 phil
93 * ajout convergence vers une masse donneee
94 *
95 * Revision 2.3 2000/12/14 10:45:38 phil
96 * ATTENTION : PASSAGE DE PHI A PSI
97 *
98 * Revision 2.2 2000/12/04 14:29:17 phil
99 * changement nom omega pour eviter interference avec membre prive
100 *
101 * Revision 2.1 2000/11/17 10:07:14 phil
102 * corrections diverses
103 *
104 * Revision 2.0 2000/11/17 10:04:08 phil
105 * *** empty log message ***
106 *
107 *
108 * $Header: /cvsroot/Lorene/C++/Source/Bhole_binaire/bhole_coal.C,v 1.9 2016/12/05 16:17:45 j_novak Exp $
109 *
110 */
111
112//standard
113#include <cmath>
114#include <cstdlib>
115
116// Lorene
117#include "tenseur.h"
118#include "bhole.h"
119
120namespace Lorene {
121void Bhole_binaire::set_statiques (double precis, double relax) {
122
123 int nz_un = hole1.mp.get_mg()->get_nzone() ;
124 int nz_deux = hole2.mp.get_mg()->get_nzone() ;
125
126 set_omega(0) ;
128
129 int indic = 1 ;
130 int conte = 0 ;
131
132 cout << "TROUS STATIQUES : " << endl ;
133 while (indic == 1) {
134 Cmp lapse_un_old (hole1.get_n_auto()()) ;
135 Cmp lapse_deux_old (hole2.get_n_auto()()) ;
136
137 solve_psi (precis, relax) ;
138 solve_lapse (precis, relax) ;
139
140 double erreur = 0 ;
141 Tbl diff_un (diffrelmax (lapse_un_old, hole1.get_n_auto()())) ;
142 for (int i=1 ; i<nz_un ; i++)
143 if (diff_un(i) > erreur)
144 erreur = diff_un(i) ;
145
146 Tbl diff_deux (diffrelmax (lapse_deux_old, hole2.get_n_auto()())) ;
147 for (int i=1 ; i<nz_deux ; i++)
148 if (diff_deux(i) > erreur)
149 erreur = diff_deux(i) ;
150
151
152 cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
153
154 if (erreur < precis)
155 indic = -1 ;
156 conte ++ ;
157 }
158}
159
160void Bhole_binaire::coal (double precis, double relax, int nbre_ome, double seuil_search, double m1, double m2, const int sortie) {
161
162 assert (omega == 0) ;
163 int nz1 = hole1.mp.get_mg()->get_nzone() ;
164 int nz2 = hole1.mp.get_mg()->get_nzone() ;
165
166 // Distance initiale
167 double distance = hole1.mp.get_ori_x()-hole2.mp.get_ori_x() ;
168 set_pos_axe (distance*(hole2.rayon/(hole1.rayon+hole2.rayon))) ;
169 double scale_linear = (hole1.rayon + hole2.rayon)/2.*distance ;
170
171 // Omega initial :
172 double angulaire = sqrt((hole1.rayon+hole2.rayon)/distance/distance/distance) ;
173
174 int indic = 1 ;
175 int conte = 0 ;
176
177 char name_iteration[40] ;
178 char name_correction[40] ;
179 char name_viriel[40] ;
180 char name_ome [40] ;
181 char name_linear[40] ;
182 char name_axe[40] ;
183 char name_error_m1[40] ;
184 char name_error_m2[40] ;
185 char name_r1[40] ;
186 char name_r2[40] ;
187
188 sprintf(name_iteration, "ite.dat") ;
189 sprintf(name_correction, "cor.dat") ;
190 sprintf(name_viriel, "vir.dat") ;
191 sprintf(name_ome, "ome.dat") ;
192 sprintf(name_linear, "linear.dat") ;
193 sprintf(name_axe, "axe.dat") ;
194 sprintf(name_error_m1, "error_m1.dat") ;
195 sprintf(name_error_m2, "error_m2.dat") ;
196 sprintf(name_r1, "r1.dat") ;
197 sprintf(name_r2, "r2.dat") ;
198
199 ofstream fiche_iteration(name_iteration) ;
200 fiche_iteration.precision(8) ;
201
202 ofstream fiche_correction(name_correction) ;
203 fiche_correction.precision(8) ;
204
205 ofstream fiche_viriel(name_viriel) ;
206 fiche_viriel.precision(8) ;
207
208 ofstream fiche_ome(name_ome) ;
209 fiche_ome.precision(8) ;
210
211 ofstream fiche_linear(name_linear) ;
212 fiche_linear.precision(8) ;
213
214 ofstream fiche_axe(name_axe) ;
215 fiche_axe.precision(8) ;
216
217 ofstream fiche_error_m1 (name_error_m1) ;
218 fiche_error_m1.precision(8) ;
219
220 ofstream fiche_error_m2 (name_error_m2) ;
221 fiche_error_m2.precision(8) ;
222
223 ofstream fiche_r1 (name_r1) ;
224 fiche_r1.precision(8) ;
225
226 ofstream fiche_r2 (name_r2) ;
227 fiche_r2.precision(8) ;
228
229 // LA BOUCLE EN AUGMENTANT OMEGA A LA MAIN PROGRESSIVEMENT :
230 cout << "OMEGA AUGMENTE A LA MAIN." << endl ;
231 double homme = 0 ;
232 for (int pas = 0 ; pas <nbre_ome ; pas ++) {
233
234 homme += angulaire/nbre_ome ;
235 set_omega (homme) ;
236
237 Cmp shift_un_old (hole1.get_shift_auto()(0)) ;
238 Cmp shift_deux_old (hole2.get_shift_auto()(0)) ;
239
240 solve_shift (precis, relax) ;
241 fait_tkij() ;
242
243 solve_psi (precis, relax) ;
244 solve_lapse (precis, relax) ;
245
246 double erreur = 0 ;
247 Tbl diff_un (diffrelmax (shift_un_old, hole1.get_shift_auto()(0))) ;
248 for (int i=1 ; i<nz1 ; i++)
249 if (diff_un(i) > erreur)
250 erreur = diff_un(i) ;
251
252 Tbl diff_deux (diffrelmax (shift_deux_old, hole2.get_shift_auto()(0))) ;
253 for (int i=1 ; i<nz2 ; i++)
254 if (diff_deux(i) > erreur)
255 erreur = diff_deux(i) ;
256
257 double error_viriel = viriel() ;
258 double error_linear = linear_momentum_systeme_inf()(1)/scale_linear ;
259 double error_m1 = 1.-sqrt(hole1.area()/16./M_PI)/m1 ;
260 double error_m2 = 1.-sqrt(hole2.area()/16./M_PI)/m2 ;
261 double r1 = hole1.mp.val_r(0, 1, 0, 0) ;
262 double r2 = hole2.mp.val_r(0, 1, 0, 0) ;
263
264 if (sortie != 0) {
265 fiche_iteration << conte << " " << erreur << endl ;
266 fiche_correction << conte << " " << hole1.get_regul() << " " << hole2.get_regul() << endl ;
267 fiche_viriel << conte << " " << error_viriel << endl ;
268 fiche_ome << conte << " " << homme << endl ;
269 fiche_linear << conte << " " << error_linear << endl ;
270 fiche_axe << conte << " " << pos_axe << endl ;
271 fiche_error_m1 << conte << " " << error_m1 << endl ;
272 fiche_error_m2 << conte << " " << error_m2 << endl ;
273 fiche_r1 << conte << " " << r1 << endl ;
274 fiche_r2 << conte << " " << r2 << endl ;
275 }
276
277 cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
278 conte ++ ;
279 }
280
281 // BOUCLE AVEC BLOQUE :
282 cout << "OMEGA VARIABLE" << endl ;
283 indic = 1 ;
284 bool scale = false ;
285
286 while (indic == 1) {
287
288 Cmp shift_un_old (hole1.get_shift_auto()(0)) ;
289 Cmp shift_deux_old (hole2.get_shift_auto()(0)) ;
290
291 solve_shift (precis, relax) ;
292 fait_tkij() ;
293
294 solve_psi (precis, relax) ;
295 solve_lapse (precis, relax) ;
296
297 double erreur = 0 ;
298 Tbl diff_un (diffrelmax (shift_un_old, hole1.get_shift_auto()(0))) ;
299 for (int i=1 ; i<nz1 ; i++)
300 if (diff_un(i) > erreur)
301 erreur = diff_un(i) ;
302
303 Tbl diff_deux (diffrelmax (shift_deux_old, hole2.get_shift_auto()(0))) ;
304 for (int i=1 ; i<nz2 ; i++)
305 if (diff_deux(i) > erreur)
306 erreur = diff_deux(i) ;
307
308 double error_viriel = viriel() ;
309 double error_linear = linear_momentum_systeme_inf()(1)/scale_linear ;
310 double error_m1 = 1.-sqrt(hole1.area()/16./M_PI)/m1 ;
311 double error_m2 = 1.-sqrt(hole2.area()/16./M_PI)/m2 ;
312 double r1 = hole1.mp.val_r(0, 1, 0, 0) ;
313 double r2 = hole2.mp.val_r(0, 1, 0, 0) ;
314
315 if (sortie != 0) {
316 fiche_iteration << conte << " " << erreur << endl ;
317 fiche_correction << conte << " " << hole1.regul << " " << hole2.regul << endl ;
318 fiche_viriel << conte << " " << error_viriel << endl ;
319 fiche_ome << conte << " " << omega << endl ;
320 fiche_linear << conte << " " << error_linear << endl ;
321 fiche_axe << conte << " " << pos_axe << endl ;
322 fiche_error_m1 << conte << " " << error_m1 << endl ;
323 fiche_error_m2 << conte << " " << error_m2 << endl ;
324 fiche_r1 << conte << " " << r1 << endl ;
325 fiche_r2 << conte << " " << r2 << endl ;
326 }
327
328 // On modifie omega, position de l'axe et les masses !
329 if (erreur <= seuil_search)
330 scale = true ;
331 if (scale) {
332 double scaling_ome = pow((2-error_viriel)/(2-2*error_viriel), 1.) ;
333 set_omega (omega*scaling_ome) ;
334
335 double scaling_axe = pow((2-error_linear)/(2-2*error_linear), 0.1) ;
336 set_pos_axe (pos_axe*scaling_axe) ;
337
338 double scaling_r1 = pow((2-error_m1)/(2-2*error_m1), 0.1) ;
339 hole1.mp.homothetie_interne(scaling_r1) ;
340
341 double scaling_r2 = pow((2-error_m2)/(2-2*error_m2), 0.1) ;
342 hole2.mp.homothetie_interne(scaling_r2) ;
343 }
344
345 cout << "PAS TOTAL : " << conte << " DIFFERENCE : " << erreur << endl ;
346 if (erreur < precis)
347 indic = -1 ;
348 conte ++ ;
349 }
350
351 fiche_iteration.close() ;
352 fiche_correction.close() ;
353 fiche_viriel.close() ;
354 fiche_ome.close() ;
355 fiche_linear.close() ;
356 fiche_axe.close() ;
357 fiche_error_m1.close() ;
358 fiche_error_m2.close() ;
359 fiche_r1.close() ;
360 fiche_r2.close() ;
361}
362}
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:121
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:160
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:91
void init_bhole_binaire()
Initialisation of the system.
Component of a tensorial field *** DEPRECATED : use class Scalar instead ***.
Definition cmp.h:446
Basic array class.
Definition tbl.h:161
Cmp sqrt(const Cmp &)
Square root.
Definition cmp_math.C:223
Cmp pow(const Cmp &, int)
Power .
Definition cmp_math.C:351
Tbl diffrelmax(const Cmp &a, const Cmp &b)
Relative difference between two Cmp (max version).
Definition cmp_math.C:542
Lorene prototypes.
Definition app_hor.h:67