LORENE
et_bin_nsbh_upmetr.C
1 /*
2  * Methods Et_bin_nsbh::update_metric
3  *
4  * (see file et_bin_nsbh.h for documentation).
5  *
6  */
7 
8 /*
9  * Copyright (c) 2003 Philippe Grandclement
10  * 2003 Keisuke Taniguchi
11  *
12  * This file is part of LORENE.
13  *
14  * LORENE is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2
16  * as published by the Free Software Foundation.
17  *
18  * LORENE is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with LORENE; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26  *
27  */
28 
29 
30 
31 /*
32  * $Id: et_bin_nsbh_upmetr.C,v 1.5 2016/12/05 16:17:53 j_novak Exp $
33  * $Log: et_bin_nsbh_upmetr.C,v $
34  * Revision 1.5 2016/12/05 16:17:53 j_novak
35  * Suppression of some global variables (file names, loch, ...) to prevent redefinitions
36  *
37  * Revision 1.4 2014/10/13 08:52:56 j_novak
38  * Lorene classes and functions now belong to the namespace Lorene.
39  *
40  * Revision 1.3 2007/04/24 20:14:45 f_limousin
41  * Implementation of Dirichlet and Neumann BC for the lapse
42  *
43  * Revision 1.2 2005/08/29 15:10:17 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 1.1 2003/10/24 12:28:39 k_taniguchi
50  * Method of update metric for the BH companion
51  *
52  *
53  *
54  * $Header: /cvsroot/Lorene/C++/Source/Etoile/et_bin_nsbh_upmetr.C,v 1.5 2016/12/05 16:17:53 j_novak Exp $
55  *
56  */
57 
58 // Lorene headers
59 #include "et_bin_nsbh.h"
60 #include "bhole.h"
61 
62  //----------------------------------//
63  // Version a BH companion //
64  //----------------------------------//
65 
66 namespace Lorene {
67 void Et_bin_nsbh::update_metric(const Bhole& comp) {
68 
69  // Computation of quantities coming from the companion
70  // ---------------------------------------------------
71 
72  // Computes N_comp ---> stored in logn_comp
73  if ( (comp.get_n_auto()).get_etat() == ETATZERO ) {
75  }
76  else{
78  (n_comp.set()).import( comp.get_n_auto()() ) ;
79  n_comp.set_std_base() ; // set the bases for spectral expansions
80  }
81 
82 
83  // Computes Psi_comp ---> stored in beta_comp
84  if ( (comp.get_psi_auto()).get_etat() == ETATZERO ) {
86  }
87  else{
89  (confpsi_comp.set()).import( comp.get_psi_auto()() ) ;
90  confpsi_comp.set_std_base() ; // set the bases for spectral expansions
91  }
92 
93 
94  // Computes N^i_comp ---> stored in shift_comp
95  if ( (comp.get_shift_auto()).get_etat() == ETATZERO ) {
97  }
98  else{
100 
101  (shift_comp.set(0)).import( comp.get_shift_auto()(0) ) ; // N^x antisym
102  (shift_comp.set(1)).import( comp.get_shift_auto()(1) ) ; // N^y sym.
103  (shift_comp.set(2)).import( comp.get_shift_auto()(2) ) ; // N^z anisym
104 
105  shift_comp.set_std_base() ; // set the bases for spectral expansions
106  }
107 
108  // Lapse function N
109  // ----------------
110 
111  nnn = n_auto + n_comp ;
112 
113  // Conformal factor confpsi
114  // ------------------------
115 
117 
118  confpsi.set_std_base() ; // set the bases for spectral expansions
119 
120  // Conformal factor A^2
121  // ---------------------
122 
123  a_car = pow(confpsi, 4.);
124  a_car.set_std_base() ; // set the bases for spectral expansions
125 
126  // Shift vector N^i
127  // ----------------
128 
130 
131  // Derivatives of metric coefficients
132  // ----------------------------------
133 
134  // ... (d/dX,d/dY,d/dZ)(n_auto) :
135  d_n_auto = n_auto.gradient() ; // (d/dx, d/dy, d/dz)
136  d_n_auto.change_triad(ref_triad) ; // --> (d/dX, d/dY, d/dZ)
137 
138  // ... (d/dX,d/dY,d/dZ)(confpsi_auto) :
139  d_confpsi_auto = confpsi_auto.gradient() ; // (d/dx, d/dy, d/dz)
140  d_confpsi_auto.change_triad(ref_triad) ; // --> (d/dX, d/dY, d/dZ)
141 
142  // The derived quantities are obsolete
143  // -----------------------------------
144 
145  del_deriv() ;
146 }
147 }
Tenseur shift_comp
Part of the shift vector generated principaly by the companion star.
Definition: etoile.h:898
const Base_vect & ref_triad
Reference triad ("absolute frame"), with respect to which the components of all the member Tenseur 's...
Definition: etoile.h:831
void set_std_base()
Set the standard spectal basis of decomposition for each component.
Definition: tenseur.C:1186
Lorene prototypes.
Definition: app_hor.h:67
Tenseur nnn
Total lapse function.
Definition: etoile.h:512
Tenseur confpsi_comp
Part of the conformal factor $$ generated principaly by the companion star.
Definition: et_bin_nsbh.h:109
const Tenseur & get_n_auto() const
Returns the part of N generated by the hole.
Definition: bhole.h:395
Black hole.
Definition: bhole.h:268
Tenseur n_auto
Part of the lapse { N} generated principaly by the star.
Definition: et_bin_nsbh.h:85
Tenseur shift
Total shift vector.
Definition: etoile.h:515
Tenseur confpsi
Total conformal factor $$.
Definition: et_bin_nsbh.h:101
Tenseur shift_auto
Part of the shift vector generated principaly by the star.
Definition: etoile.h:892
const Tenseur & get_psi_auto() const
Returns the part of generated by the hole.
Definition: bhole.h:412
Cmp & set()
Read/write for a scalar (see also operator=(const Cmp&) ).
Definition: tenseur.C:840
void change_triad(const Base_vect &new_triad)
Sets a new vectorial basis (triad) of decomposition and modifies the components accordingly.
Definition: tenseur.C:684
virtual void del_deriv() const
Deletes all the derived quantities.
Definition: etoile_bin.C:450
Cmp pow(const Cmp &, int)
Power .
Definition: cmp_math.C:351
Tenseur d_confpsi_auto
Gradient of { confpsi_auto} (Cartesian components with respect to { ref_triad})
Definition: et_bin_nsbh.h:114
Tenseur d_n_auto
Gradient of { n_auto} (Cartesian components with respect to { ref_triad})
Definition: et_bin_nsbh.h:93
void update_metric(const Bhole &comp)
Computes metric coefficients from known potentials, when the companion is a black hole...
Tenseur a_car
Total conformal factor .
Definition: etoile.h:518
Tenseur confpsi_auto
Part of the conformal factor $$ generated principaly by the star.
Definition: et_bin_nsbh.h:104
const Tenseur & get_shift_auto() const
Returns the part of generated by the hole.
Definition: bhole.h:440
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
Definition: tenseur.C:652
void set_etat_zero()
Sets the logical state to ETATZERO (zero state).
Definition: tenseur.C:661
Tenseur n_comp
Part of the lapse { N} generated principaly by the companion star.
Definition: et_bin_nsbh.h:88
const Tenseur & gradient() const
Returns the gradient of *this (Cartesian coordinates)
Definition: tenseur.C:1558