regularise_shift.C
/*
* Copyright (c) 2000-2001 Philippe Grandclement
*
* 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 regularise_shift_C[] = "$Header: /cvsroot/Lorene/C++/Source/Bhole_binaire/regularise_shift.C,v 1.7 2014/10/13 08:52:41 j_novak Exp $" ;
/*
* $Id: regularise_shift.C,v 1.7 2014/10/13 08:52:41 j_novak Exp $
* $Log: regularise_shift.C,v $
* Revision 1.7 2014/10/13 08:52:41 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.6 2014/10/06 15:12:59 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.5 2006/04/27 09:12:32 p_grandclement
* First try at irrotational black holes
*
* Revision 1.4 2005/08/29 15:10:14 p_grandclement
* Addition of things needed :
* 1) For BBH with different masses
* 2) Provisory files for the mixted binaries (Bh and NS) : THIS IS NOT
* WORKING YET !!!
*
* Revision 1.3 2003/10/03 15:58:44 j_novak
* Cleaning of some headers
*
* Revision 1.2 2003/02/13 16:40:25 p_grandclement
* Addition of various things for the Bin_ns_bh project, non of them being
* completely tested
*
* Revision 1.1.1.1 2001/11/20 15:19:28 e_gourgoulhon
* LORENE
*
* Revision 2.6 2001/05/07 09:11:48 phil
* *** empty log message ***
*
* Revision 2.5 2001/01/29 14:30:48 phil
* ajout type rotation
*
* Revision 2.4 2000/11/02 10:18:05 phil
* modification du degre de l;a fonction\
* de correction. On passe de 2 a 3
*
* Revision 2.3 2000/10/31 10:04:28 phil
* correction importation
*
* Revision 2.2 2000/10/26 12:34:17 phil
* *** empty log message ***
*
* Revision 2.1 2000/10/26 12:31:55 phil
* correction orientation pour calcul du shift total
*
* Revision 2.0 2000/10/19 10:08:03 phil
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Source/Bhole_binaire/regularise_shift.C,v 1.7 2014/10/13 08:52:41 j_novak Exp $
*
*/
//Standard
#include <cstdlib>
#include <cmath>
//Lorene
#include "nbr_spx.h"
#include "tenseur.h"
namespace Lorene {
double regle (Tenseur& shift_auto, const Tenseur& shift_comp, double omega, double omega_local) {
Tenseur shift_old (shift_auto) ;
double orientation = shift_auto.get_mp()->get_rot_phi() ;
assert ((orientation==0) || (orientation == M_PI)) ;
double orientation_autre = shift_comp.get_mp()->get_rot_phi() ;
assert ((orientation_autre==0) || (orientation_autre == M_PI)) ;
int alignes = (orientation == orientation_autre) ? 1 : -1 ;
// Cas triades identiques
if (*shift_comp.get_triad() == *shift_auto.get_triad())
alignes = 1 ;
int nz = shift_auto.get_mp()->get_mg()->get_nzone() ;
int np = shift_auto.get_mp()->get_mg()->get_np(1) ;
int nt = shift_auto.get_mp()->get_mg()->get_nt(1) ;
int nr = shift_auto.get_mp()->get_mg()->get_nr(1) ;
// On minimise la valeur de la derivee de B sur R :
Tenseur shift_tot (*shift_auto.get_mp(), 1, CON, *shift_auto.get_triad()) ;
shift_tot.set_etat_qcq() ;
shift_tot.set(0).import_asymy (alignes*shift_comp(0)) ;
shift_tot.set(1).import_symy (alignes*shift_comp(1)) ;
shift_tot.set(2).import_asymy (shift_comp(2)) ;
shift_tot = shift_tot + shift_auto ;
double indic = (orientation == 0) ? 1 : -1 ;
Mtbl xa_mtbl (shift_tot.get_mp()->get_mg()) ;
xa_mtbl = shift_tot.get_mp()->xa ;
Mtbl ya_mtbl (shift_tot.get_mp()->get_mg()) ;
ya_mtbl = shift_tot.get_mp()->ya ;
Tenseur tbi (shift_tot) ;
if (omega != 0) {
for (int i=0 ; i<3 ; i++) {
tbi.set(i).va.coef_i() ;
tbi.set(i).va.set_etat_c_qcq() ;
}
tbi.set(0) = *shift_tot(0).va.c - indic *omega * ya_mtbl(0,0,0,0) - indic*omega_local* shift_tot.get_mp()->y ;
tbi.set(1) = *shift_tot(1).va.c + indic *omega * xa_mtbl(0,0,0,0) + indic*omega_local* shift_tot.get_mp()->x ;
tbi.set_std_base() ;
tbi.set(0).annule(nz-1) ;
tbi.set(1).annule(nz-1) ;
}
Tenseur derive_r (*shift_auto.get_mp(), 1, CON, *shift_auto.get_triad()) ;
derive_r.set_etat_qcq() ;
for (int i=0 ; i<3 ; i++) {
if (tbi(i).get_etat() != ETATZERO)
derive_r.set(i) = tbi(i).dsdr() ;
else
derive_r.set(i).set_etat_zero() ;
}
// On enleve un fonction pour rendre Kij regulier !
Valeur val_hor (shift_auto.get_mp()->get_mg()) ;
Valeur fonction_radiale (shift_auto.get_mp()->get_mg()) ;
Cmp enleve (shift_auto.get_mp()) ;
double erreur = 0 ;
for (int comp=0 ; comp<3 ; comp++)
{
val_hor.annule_hard() ; // Pour initialiser les tableaux
for (int k=0 ; k<np ; k++)
for (int j=0 ; j<nt ; j++)
for (int i=0 ; i<nr ; i++)
val_hor.set(1, k, j, i) = derive_r(comp) (1, k, j, 0) ;
double r_0 = shift_auto.get_mp()->val_r (1, -1, 0, 0) ;
double r_1 = shift_auto.get_mp()->val_r (1, 1, 0, 0) ;
fonction_radiale = pow(r_1-shift_auto.get_mp()->r, 3.)*
(shift_auto.get_mp()->r-r_0)/pow(r_1-r_0, 3.) ;
fonction_radiale.annule(0) ;
fonction_radiale.annule(2, nz-1) ;
enleve = fonction_radiale * val_hor ;
enleve.va.base = shift_auto(comp).va.base ;
if (norme(enleve)(1) != 0)
shift_auto.set(comp) = shift_auto(comp) - enleve ;
if (norme(shift_auto(comp))(1) > 1e-5) {
Tbl diff (diffrelmax (shift_auto(comp), shift_old(comp))) ;
if (erreur < diff(1))
erreur = diff(1) ;
}
}
return erreur ;
}
}
Lorene::Cmp
Component of a tensorial field *** DEPRECATED : use class Scalar instead ***.
Definition cmp.h:446
Lorene::Mtbl
Multi-domain array.
Definition mtbl.h:118
Lorene::Tbl
Basic array class.
Definition tbl.h:161
Lorene::Tenseur
Tensor handling *** DEPRECATED : use class Tensor instead ***.
Definition tenseur.h:301
Lorene::Valeur
Values and coefficients of a (real-value) function.
Definition valeur.h:287
Lorene::norme
Tbl norme(const Cmp &)
Sums of the absolute values of all the values of the Cmp in each domain.
Definition cmp_math.C:481
Lorene::pow
Cmp pow(const Cmp &, int)
Power .
Definition cmp_math.C:348
Lorene::diffrelmax
Tbl diffrelmax(const Cmp &a, const Cmp &b)
Relative difference between two Cmp (max version).
Definition cmp_math.C:539
Lorene
Lorene prototypes.
Definition app_hor.h:64
Lorene::r
Coord r
r coordinate centered on the grid
Definition map.h:718