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/*
* Methods Et_bin_nsbh::update_metric
*
* (see file et_bin_nsbh.h for documentation).
*
*/
/*
* Copyright (c) 2003 Philippe Grandclement
* 2003 Keisuke Taniguchi
*
* 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 et_bin_nsbh_upmetr_C[] = "$Header: /cvsroot/Lorene/C++/Source/Etoile/et_bin_nsbh_upmetr.C,v 1.4 2014/10/13 08:52:56 j_novak Exp $" ;
/*
* $Id: et_bin_nsbh_upmetr.C,v 1.4 2014/10/13 08:52:56 j_novak Exp $
* $Log: et_bin_nsbh_upmetr.C,v $
* Revision 1.4 2014/10/13 08:52:56 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.3 2007/04/24 20:14:45 f_limousin
* Implementation of Dirichlet and Neumann BC for the lapse
*
* Revision 1.2 2005/08/29 15:10:17 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 1.1 2003/10/24 12:28:39 k_taniguchi
* Method of update metric for the BH companion
*
*
*
* $Header: /cvsroot/Lorene/C++/Source/Etoile/et_bin_nsbh_upmetr.C,v 1.4 2014/10/13 08:52:56 j_novak Exp $
*
*/
// Lorene headers
#include "et_bin_nsbh.h"
#include "bhole.h"
//----------------------------------//
// Version a BH companion //
//----------------------------------//
namespace Lorene {
void Et_bin_nsbh::update_metric(const Bhole& comp) {
// Computation of quantities coming from the companion
// ---------------------------------------------------
// Computes N_comp ---> stored in logn_comp
if ( (comp.get_n_auto()).get_etat() == ETATZERO ) {
n_comp.set_etat_zero() ;
}
else{
n_comp.set_etat_qcq() ;
(n_comp.set()).import( comp.get_n_auto()() ) ;
n_comp.set_std_base() ; // set the bases for spectral expansions
}
// Computes Psi_comp ---> stored in beta_comp
if ( (comp.get_psi_auto()).get_etat() == ETATZERO ) {
confpsi_comp.set_etat_zero() ;
}
else{
confpsi_comp.set_etat_qcq() ;
(confpsi_comp.set()).import( comp.get_psi_auto()() ) ;
confpsi_comp.set_std_base() ; // set the bases for spectral expansions
}
// Computes N^i_comp ---> stored in shift_comp
if ( (comp.get_shift_auto()).get_etat() == ETATZERO ) {
shift_comp.set_etat_zero() ;
}
else{
shift_comp.set_etat_qcq() ;
(shift_comp.set(0)).import( comp.get_shift_auto()(0) ) ; // N^x antisym
(shift_comp.set(1)).import( comp.get_shift_auto()(1) ) ; // N^y sym.
(shift_comp.set(2)).import( comp.get_shift_auto()(2) ) ; // N^z anisym
shift_comp.set_std_base() ; // set the bases for spectral expansions
}
// Lapse function N
// ----------------
nnn = n_auto + n_comp ;
// Conformal factor confpsi
// ------------------------
confpsi = confpsi_auto + confpsi_comp ;
confpsi.set_std_base() ; // set the bases for spectral expansions
// Conformal factor A^2
// ---------------------
a_car = pow(confpsi, 4.);
a_car.set_std_base() ; // set the bases for spectral expansions
// Shift vector N^i
// ----------------
shift = shift_auto + shift_comp ;
// Derivatives of metric coefficients
// ----------------------------------
// ... (d/dX,d/dY,d/dZ)(n_auto) :
d_n_auto = n_auto.gradient() ; // (d/dx, d/dy, d/dz)
d_n_auto.change_triad(ref_triad) ; // --> (d/dX, d/dY, d/dZ)
// ... (d/dX,d/dY,d/dZ)(confpsi_auto) :
d_confpsi_auto = confpsi_auto.gradient() ; // (d/dx, d/dy, d/dz)
d_confpsi_auto.change_triad(ref_triad) ; // --> (d/dX, d/dY, d/dZ)
// The derived quantities are obsolete
// -----------------------------------
del_deriv() ;
}
}
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