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|
/*
* Method of class Isol_hor to compute intital data using generalized
* Conformal Thni Sandwich equations with N = Ntilde \Psi ^a
* and K_ij = \Psi ^\zeta A_ij + 1/3 K \gamma_ij
*
* (see file isol_hor.h for documentation).
*
*/
/*
* Copyright (c) 2004 Jose Luis Jaramillo
* Francois Limousin
*
* 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 CTS_gen[] = "$Header: /cvsroot/Lorene/C++/Source/Isol_hor/CTS_gen.C,v 1.7 2014/10/13 08:53:00 j_novak Exp $" ;
// Lorene headers
#include "time_slice.h"
#include "isol_hor.h"
#include "metric.h"
#include "evolution.h"
#include "unites.h"
#include "graphique.h"
#include "utilitaires.h"
#include "param.h"
namespace Lorene {
void Isol_hor::init_data_CTS_gen(int, double, int, int,
int solve_lapse, int solve_psi, int solve_shift,
double precis, double relax_nn ,
double relax_psi, double relax_beta ,
int niter, double a, double ) {
using namespace Unites ;
// Initialisations
// ===============
double lambda = 0. ; // to be used in the beta source
double ttime = the_time[jtime] ;
const Base_vect& triad = *(ff.get_triad()) ;
// Output file
ofstream conv("resconv.d") ;
ofstream kss_out("kss.d") ;
conv << " # diff_nn diff_psi diff_beta " << endl ;
// Initial values of the unknowns
Scalar nntilde_j = nn() * pow(psi(), a) ;
nntilde_j.std_spectral_base() ;
Scalar psi_j = psi() ;
Vector beta_j = beta() ;
// Iteration
//==========
for (int mer=0; mer<niter; mer++) {
// Useful functions
//-----------------
Scalar temp_scal_0 (mp) ;
Scalar temp_scal_2 (mp) ;
Scalar temp_scal_3 (mp) ;
Scalar temp_scal_4 (mp) ;
Vector temp_vect_2 (mp, CON, triad) ;
Vector temp_vect_3 (mp, CON, triad) ;
Vector temp_vect_4 (mp, CON, triad) ;
Scalar psi_j_a = pow(psi_j, a) ;
psi_j_a.std_spectral_base() ;
Scalar psi_j_ma = pow(psi_j, -a) ;
psi_j_ma.std_spectral_base() ;
Vector beta_j_d = beta_j.down(0, met_gamt) ;
Scalar nnpsia_j = nntilde_j * psi_j_a /( psi_j*psi_j*psi_j*psi_j*psi_j*psi_j) ; // to be used in the beta source
//Dynamical relaxation
//--------------------
// double relax_init = 0.05 ;
// double relax_speed = 0.005 ;
// relax_nn = relax_nn_fin - ( relax_nn_fin - relax_init ) * exp (- relax_speed * mer) ;
// relax_psi = relax_psi_fin - ( relax_psi_fin - relax_init ) * exp (- relax_speed * mer) ;
// relax_beta = relax_beta_fin - ( relax_beta_fin - relax_init ) * exp (- relax_speed * mer) ;
cout << " relax_nn = " << relax_nn << endl ;
cout << " relax_psi = " << relax_psi << endl ;
cout << " relax_beta = " << relax_beta << endl ;
//========
// Sources
//========
// Source for psi
//---------------
Scalar sour_psi (mp) ;
// Source physique
temp_scal_3 = 1./8. * met_gamt.ricci_scal() * psi_j ;
temp_scal_3.inc_dzpuis() ;
temp_scal_4 = 1./12. * trK*trK * psi_j*psi_j*psi_j*psi_j*psi_j
- 1./32. * psi_j*psi_j*psi_j*psi_j*psi_j * psi_j_ma*psi_j_ma / (nntilde_j*nntilde_j) *
contract(beta_j_d.ope_killing_conf(met_gamt), 0, 1, beta_j.ope_killing_conf(met_gamt), 0, 1) ;
sour_psi = temp_scal_3 + temp_scal_4 ;
// Correction Source
temp_scal_3 = - contract (hh(), 0, 1, psi_j.derive_cov(ff).derive_cov(ff), 0, 1) ;
temp_scal_3.inc_dzpuis() ;
temp_scal_4 = - contract (hdirac(), 0, psi_j.derive_cov(ff), 0) ;
sour_psi += temp_scal_3 + temp_scal_4 ;
sour_psi.annule_domain(0) ;
// Source for nntilde
//--------------------
Scalar sour_nntilde (mp) ;
// Source physique
temp_scal_2 = - psi_j*psi_j*psi_j*psi_j * psi_j_ma * trK_point ;
temp_scal_2.inc_dzpuis(2) ;
temp_scal_3 = psi_j*psi_j*psi_j*psi_j * psi_j_ma * contract (beta_j, 0, trK.derive_cov(ff), 0)
- a/8. * nntilde_j * met_gamt.ricci_scal() ;
temp_scal_3.inc_dzpuis() ;
temp_scal_4 = nntilde_j * (4-a)/12. * psi_j*psi_j*psi_j*psi_j * trK*trK
- 2 * (a+1) * contract(psi_j.derive_cov(ff), 0, nntilde_j.derive_con(met_gamt), 0) / psi_j
- a*(a+1) * nntilde_j * contract(psi_j.derive_cov(met_gamt), 0, psi_j.derive_con(met_gamt), 0) / (psi_j * psi_j)
+ (a+8)/32. * psi_j*psi_j*psi_j*psi_j * psi_j_ma*psi_j_ma/nntilde_j
* contract(beta_j_d.ope_killing_conf(met_gamt), 0, 1, beta_j.ope_killing_conf(met_gamt), 0, 1) ;
sour_nntilde = temp_scal_2 + temp_scal_3 + temp_scal_4 ;
// Correction Source
temp_scal_3 = - contract (hh(), 0, 1, nntilde_j.derive_cov(ff).derive_cov(ff), 0, 1) ;
temp_scal_3.inc_dzpuis() ;
temp_scal_4 = - contract (hdirac(), 0, nntilde_j.derive_cov(ff), 0) ;
sour_nntilde += temp_scal_3 + temp_scal_4 ;
sour_nntilde.annule_domain(0) ;
// Source for beta
//----------------
Vector sour_beta(mp, CON, triad) ;
// Source physique
temp_vect_3 = 4./3. * psi_j_a * nntilde_j * trK.derive_con(met_gamt)
- contract(met_gamt.ricci(), 1, beta_j, 0).up(0, met_gamt) ;
temp_vect_3.inc_dzpuis() ;
temp_vect_4 = contract(beta_j.ope_killing_conf(met_gamt), 1, nnpsia_j.derive_cov(ff), 0) / nnpsia_j ;
sour_beta = temp_vect_3 + temp_vect_4 ;
// Correction Source
temp_vect_3 = (lambda - 1./3.) * contract (beta_j.derive_cov(ff).derive_con(ff), 0, 1)
- contract(contract(met_gamt.connect().get_delta(), 1, beta_j, 0).derive_con(ff), 1, 2)
- contract(hh(), 0, 1, beta_j.derive_cov(met_gamt).derive_cov(ff), 1, 2)
- 1./3. * contract (hh(), 1, beta_j.divergence(ff).derive_cov(ff), 0) ;
temp_vect_3.inc_dzpuis() ;
temp_vect_4 = - contract(hdirac(), 0, beta_j.derive_cov(met_gamt), 1)
- contract(met_gamt.connect().get_delta(), 1, 2, beta_j.derive_con(met_gamt), 0, 1) ;
sour_beta += temp_vect_3 + temp_vect_4 ;
//====================
// Boundary conditions
//====================
// BC Psi
//-------
Scalar tmp = psi_j * psi_j * psi_j * trK
- psi_j * met_gamt.radial_vect().divergence(met_gamt)
- psi_j*psi_j*psi_j*psi_j_ma/(2. * nntilde_j)
* contract( beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
- 1./3. * psi_j*psi_j*psi_j * trK * contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
- 4 * ( met_gamt.radial_vect()(2) * psi_j.derive_cov(ff)(2)
+ met_gamt.radial_vect()(3) * psi_j.derive_cov(ff)(3) ) ;
tmp = tmp / (4 * met_gamt.radial_vect()(1)) ;
// in this case you don't have to substract any value
Valeur psi_bound (mp.get_mg()->get_angu() ) ;
int nnp = mp.get_mg()->get_np(1) ;
int nnt = mp.get_mg()->get_nt(1) ;
psi_bound = 1 ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
psi_bound.set(0, k, j, 0) = tmp.val_grid_point(1, k, j, 0) ;
psi_bound.std_base_scal() ;
// BC beta
//-------
const Coord& y = mp.y ;
const Coord& x = mp.x ;
Scalar xx(mp) ;
xx = x ;
xx.std_spectral_base() ;
Scalar yy(mp) ;
yy = y ;
yy.std_spectral_base() ;
Vector tmp_vect = nntilde_j * psi_j_a/(psi_j * psi_j) * met_gamt.radial_vect() ;
tmp_vect.change_triad(mp.get_bvect_cart() ) ;
// Beta-x
Valeur lim_x (mp.get_mg()->get_angu()) ;
lim_x = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_x.set(0, k, j, 0) = omega * yy.val_grid_point(1, k, j, 0)
+ tmp_vect(1).val_grid_point(1, k, j, 0) ;
lim_x.set_base(*(mp.get_mg()->std_base_vect_cart()[0])) ;
// Beta-y
Valeur lim_y (mp.get_mg()->get_angu()) ;
lim_y = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_y.set(0, k, j, 0) = - omega * xx.val_grid_point(1, k, j, 0)
+ tmp_vect(2).val_grid_point(1, k, j, 0) ;
lim_y.set_base(*(mp.get_mg()->std_base_vect_cart()[1])) ;
// Beta-z
Valeur lim_z (mp.get_mg()->get_angu()) ;
lim_z = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_z.set(0, k, j, 0) = tmp_vect(3).val_grid_point(1, k, j, 0) ;
lim_z.set_base(*(mp.get_mg()->std_base_vect_cart()[2])) ;
// START of AEI
//============================
// BC AEI
Vector stilde_j = met_gamt.radial_vect() ;
Scalar btilde_j = contract (beta_j_d, 0, stilde_j, 0) ;
// HH_tilde
Scalar hh_tilde = contract(stilde_j.derive_cov(met_gamt), 0, 1) ;
hh_tilde.dec_dzpuis(2) ;
// Tangential part of the shift
tmp_vect = btilde_j * stilde_j ;
Vector VV_j = btilde_j * stilde_j - beta_j ;
// "Acceleration" term V^a \tilde{D}_a ln M
Scalar accel = 2 * contract( VV_j, 0, contract( stilde_j, 0, stilde_j.down(0,
met_gamt).derive_cov(met_gamt), 1), 0) ;
// Divergence of V^a
Sym_tensor qq_spher = met_gamt.con() - stilde_j * stilde_j ;
Scalar div_VV = contract( qq_spher.down(0, met_gamt), 0, 1, VV_j.derive_cov(met_gamt), 0, 1) ;
Vector angular (mp, CON, mp.get_bvect_cart()) ;
Scalar yya (mp) ;
yya = mp.ya ;
Scalar xxa (mp) ;
xxa = mp.xa ;
angular.set(1) = - omega * yya ;
angular.set(2) = omega * xxa ;
angular.set(3).annule_hard() ;
angular.set(1).set_spectral_va()
.set_base(*(mp.get_mg()->std_base_vect_cart()[0])) ;
angular.set(2).set_spectral_va()
.set_base(*(mp.get_mg()->std_base_vect_cart()[1])) ;
angular.set(3).set_spectral_va()
.set_base(*(mp.get_mg()->std_base_vect_cart()[2])) ;
angular.change_triad(mp.get_bvect_spher()) ;
//kss from from L_lN=0 condition
//------------------------------
Scalar corr_nn_kappa (mp) ;
corr_nn_kappa = nntilde_j * psi_j_a - psi_j*psi_j*contract (beta_j_d, 0, met_gamt.radial_vect(), 0) ;
// corr_nn_kappa.inc_dzpuis(2) ;
corr_nn_kappa = sqrt(sqrt (corr_nn_kappa*corr_nn_kappa)) ;
corr_nn_kappa.std_spectral_base() ;
// corr_nn_kappa.inc_dzpuis(2) ;
Scalar kss = - kappa_hor() * psi_j_ma / nntilde_j ;
kss.inc_dzpuis(2) ;
kss += contract(stilde_j, 0, nntilde_j.derive_cov(ff), 0)/ (psi_j*psi_j*nntilde_j)
+ a * contract(stilde_j, 0, psi_j.derive_cov(ff), 0) / (psi_j*psi_j*psi_j)
+ 0.1 * contract (nntilde_j.derive_cov(ff), 0, met_gamt.radial_vect(), 0) * corr_nn_kappa ;
// beta^r component
//-----------------
double rho = 5. ; // rho>1 ; rho=1 "pure Dirichlet" version
Scalar beta_r_corr = (rho - 1) * btilde_j * hh_tilde;
beta_r_corr.inc_dzpuis(2) ;
Scalar nn_KK = nntilde_j * psi_j_a * trK ;
nn_KK.inc_dzpuis(2) ;
beta_r_corr.set_dzpuis(2) ;
nn_KK.set_dzpuis(2) ;
accel.set_dzpuis(2) ;
div_VV.set_dzpuis(2) ;
Scalar b_tilde_new (mp) ;
b_tilde_new = 2 * contract(stilde_j, 0, btilde_j.derive_cov(ff), 0)
+ beta_r_corr
- 3 * nntilde_j * psi_j_a * kss + nn_KK + accel + div_VV ;
b_tilde_new = b_tilde_new / (hh_tilde * rho) ;
b_tilde_new.dec_dzpuis(2) ;
tmp_vect.set(1) = b_tilde_new * stilde_j(1) + angular(1) ;
tmp_vect.set(2) = b_tilde_new * stilde_j(2) + angular(2) ;
tmp_vect.set(3) = b_tilde_new * stilde_j(3) + angular(3) ;
tmp_vect.change_triad(mp.get_bvect_cart() ) ;
// Beta-x
Valeur lim_x_AEI (mp.get_mg()->get_angu()) ;
lim_x_AEI = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_x_AEI.set(0, k, j, 0) = tmp_vect(1).val_grid_point(1, k, j, 0) ;
lim_x_AEI.set_base(*(mp.get_mg()->std_base_vect_cart()[0])) ;
// Beta-y
Valeur lim_y_AEI (mp.get_mg()->get_angu()) ;
lim_y_AEI = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_y_AEI.set(0, k, j, 0) = tmp_vect(2).val_grid_point(1, k, j, 0) ;
lim_y_AEI.set_base(*(mp.get_mg()->std_base_vect_cart()[1])) ;
// Beta-z
Valeur lim_z_AEI (mp.get_mg()->get_angu()) ;
lim_z_AEI = 1 ; // Juste pour affecter dans espace des configs ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
lim_z_AEI.set(0, k, j, 0) = tmp_vect(3).val_grid_point(1, k, j, 0) ;
lim_z_AEI.set_base(*(mp.get_mg()->std_base_vect_cart()[2])) ;
// End of AEI
//============================
// BC nn_tilde
//------------
// BC kappa=const
//Area
Scalar darea = psi_j* psi_j* psi_j* psi_j
* sqrt( met_gamt.cov()(2,2) * met_gamt.cov()(3,3) -
met_gamt.cov()(2,3) * met_gamt.cov()(2,3) ) ;
darea.std_spectral_base() ;
Scalar area_int (darea) ;
area_int.raccord(1) ;
double area = mp.integrale_surface(area_int, radius + 1e-15) ;
//Radius
double radius = area / (4. * M_PI);
radius = pow(radius, 1./2.) ;
// Angular momentum
Vector phi (mp, CON, *(ff.get_triad()) ) ;
tmp = 1 ;
tmp.std_spectral_base() ;
tmp.mult_rsint() ;
phi.set(1) = 0. ;
phi.set(2) = 0. ;
phi.set(3) = tmp ;
Scalar kksphi = psi_j*psi_j*psi_j_ma/(2.*nntilde_j) *
contract( beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()* phi, 0, 1) +
1./3. * trK * psi_j*psi_j *
contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()* phi, 0, 1) ;
kksphi = kksphi / (8. * M_PI) ;
Scalar kkspsi_int = kksphi * darea ; // we correct with the curved
// element of area
double ang_mom = mp.integrale_surface(kkspsi_int, radius + 1e-15) ;
// Surface gravity
double kappa_kerr = (pow( radius, 4) - 4 * pow( ang_mom, 2)) / ( 2 * pow( radius, 3)
* sqrt( pow( radius, 4) + 4 * pow( ang_mom, 2) ) ) ;
// BC condition itself
rho = 5. ;
Scalar kappa (mp) ;
if (mer < 0)
kappa = kappa_kerr ;
else
kappa = 0.15 ;
kappa.std_spectral_base() ;
kappa.inc_dzpuis(2) ;
tmp = - a / psi_j * nntilde_j
* contract(met_gamt.radial_vect(), 0, psi_j.derive_cov(met_gamt), 0)
+ 1./2. * psi_j * psi_j * psi_j_ma
* contract( beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
+ 1./3. * nntilde_j * psi_j * psi_j * trK
* contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()* met_gamt.radial_vect(), 0, 1)
+ psi_j * psi_j * psi_j_ma * kappa
- met_gamt.radial_vect()(2) * nntilde_j.derive_cov(ff)(2)
- met_gamt.radial_vect()(3) * nntilde_j.derive_cov(ff)(3)
+ ( rho - 1 ) * met_gamt.radial_vect()(1) * nntilde_j.derive_cov(ff)(1)
+ 0. * contract (nntilde_j.derive_cov(ff), 0, met_gamt.radial_vect(), 0) * corr_nn_kappa ;
tmp = tmp / (rho * met_gamt.radial_vect()(1)) ;
// in this case you don't have to substract any value
Valeur nn_bound_kappa (mp.get_mg()->get_angu() ) ;
nn_bound_kappa = 1 ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
nn_bound_kappa.set(0, k, j, 0) = tmp.val_grid_point(1, k, j, 0) ;
nn_bound_kappa.std_base_scal() ;
/*
// BC kappa const Dir
rho = 10. ;
tmp = 1./(a * contract(met_gamt.radial_vect(), 0, psi_j.derive_cov(met_gamt), 0)) *
(psi_j* psi_j*psi_j * psi_j_ma* kappa
- psi_j * contract(met_gamt.radial_vect(), 0, nntilde_j.derive_cov(met_gamt), 0)
+ psi_j* psi_j*psi_j * psi_j_ma/2. *
contract(beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
+ 1./3. * nntilde_j * psi_j * psi_j *psi_j * trK
* contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()* met_gamt.radial_vect(), 0, 1)) ;
tmp = (tmp + rho * nn())/(1 + rho) ;
tmp = tmp - 1 ;
// in this case you don't have to substract any value
Valeur nn_bound_kappa_Dir (mp.get_mg()->get_angu() ) ;
nn_bound_kappa_Dir = 1 ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
nn_bound_kappa_Dir.set(0, k, j, 0) = tmp.val_grid_point(1, k, j, 0) ;
nn_bound_kappa_Dir.std_base_scal() ;
*/
// BC nn = const
rho = 0. ;
tmp = 0.2 * psi_j_ma ;
tmp = (tmp + rho * nntilde_j)/(1 + rho) ;
tmp = tmp - 1 ;
// in this case you don't have to substract any value
Valeur nn_bound_const (mp.get_mg()->get_angu() ) ;
nn_bound_const = 1 ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
nn_bound_const.set(0, k, j, 0) = tmp.val_grid_point(1, k, j, 0) ;
nn_bound_const.std_base_scal() ;
boundary_nn_Neu_kk(0) ;
// BC nn AEI
rho = 5. ;
tmp = btilde_j * psi_j*psi_j*psi_j_ma ;
tmp = (tmp + rho * nntilde_j)/(1 + rho) ;
tmp = tmp - 1 ;
// in this case you don't have to substract any value
Valeur nn_bound_AEI (mp.get_mg()->get_angu() ) ;
nn_bound_AEI = 1 ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++)
nn_bound_AEI.set(0, k, j, 0) = tmp.val_grid_point(1, k, j, 0) ;
nn_bound_AEI.std_base_scal() ;
//============================
// Resolution of the equations
//============================
Scalar psi_jp1(mp) ;
Scalar nntilde_jp1(mp) ;
Vector beta_jp1(beta_j) ;
if (solve_psi == 1) {
psi_jp1 = sour_psi.poisson_neumann(psi_bound, 0) + 1. ;
// Test:
maxabs(psi_jp1.laplacian() - sour_psi,
"Absolute error in the resolution of the equation for Psi") ;
// Relaxation (relax=1 -> new ; relax=0 -> old )
psi_jp1 = relax_psi * psi_jp1 + (1 - relax_psi) * psi_j ;
}
if (solve_lapse == 1) {
// nntilde_jp1 = sour_nntilde.poisson_neumann(nn_bound_kappa, 0) + 1. ;
// nntilde_jp1 = sour_nntilde.poisson_dirichlet(nn_bound_const, 0) + 1. ;
// nntilde_jp1 = sour_nntilde.poisson_dirichlet(nn_bound_kappa_Dir, 0) + 1. ;
nntilde_jp1 = sour_nntilde.poisson_dirichlet(nn_bound_AEI, 0) + 1. ;
// Test:
maxabs(nntilde_jp1.laplacian() - sour_nntilde,
"Absolute error in the resolution of the equation for nntilde") ;
// Relaxation (relax=1 -> new ; relax=0 -> old )
nntilde_jp1 = relax_nn * nntilde_jp1 + (1 - relax_nn) * nntilde_j ;
}
if (solve_shift == 1) {
double precision = 1e-8 ;
// poisson_vect_boundary(lambda, sour_beta, beta_jp1, lim_x,
// lim_y, lim_z, 0, precision, 20) ;
poisson_vect_boundary(lambda, sour_beta, beta_jp1, lim_x_AEI,
lim_y_AEI, lim_z_AEI, 0, precision, 20) ;
// Test
sour_beta.dec_dzpuis() ;
maxabs(beta_jp1.derive_con(ff).divergence(ff)
+ lambda * beta_jp1.divergence(ff)
.derive_con(ff) - sour_beta,
"Absolute error in the resolution of the equation for beta") ;
cout << endl ;
// Relaxation (relax=1 -> new ; relax=0 -> old )
beta_jp1 = relax_beta * beta_jp1 + (1 - relax_beta) * beta_j ;
}
//====================
// Convergence control
//====================
double diff_nn, diff_psi, diff_beta ;
diff_nn = 1.e-16 ;
diff_psi = 1.e-16 ;
diff_beta = 1.e-16 ;
if (solve_lapse == 1)
diff_nn = max( diffrel(nntilde_j, nntilde_jp1) ) ;
if (solve_psi == 1)
diff_psi = max( diffrel(psi_j, psi_jp1) ) ;
if (solve_shift == 1)
diff_beta = max( maxabs(beta_jp1 - beta_j) ) ;
cout << "step = " << mer << " : diff_psi = " << diff_psi
<< " diff_nn = " << diff_nn
<< " diff_beta = " << diff_beta << endl ;
cout << "----------------------------------------------" << endl ;
if ((diff_psi<precis) && (diff_nn<precis) && (diff_beta<precis))
break ;
if (mer>0) {conv << mer << " " << log10(diff_nn) << " " << log10(diff_psi)
<< " " << log10(diff_beta) << endl ; } ;
//======================
// Updates for next step
//======================
psi_j = psi_jp1 ;
nntilde_j = nntilde_jp1 ;
beta_j = beta_jp1 ;
//========================
// Savings of output files
//========================
Scalar kkss ( psi_j_ma/(2. * nntilde_j )
* contract( beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
+ 1./3. * trK * contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1) ) ;
double max_kss = kkss.val_grid_point(1, 0, 0, 0) ;
double min_kss = kkss.val_grid_point(1, 0, 0, 0) ;
hh_tilde = contract(met_gamt.radial_vect().derive_cov(met_gamt), 0, 1) ;
double max_hh_tilde = hh_tilde.val_grid_point(1, 0, 0, 0) ;
double min_hh_tilde = hh_tilde.val_grid_point(1, 0, 0, 0) ;
for (int k=0 ; k<nnp ; k++)
for (int j=0 ; j<nnt ; j++){
if (kkss.val_grid_point(1, k, j, 0) > max_kss)
max_kss = kkss.val_grid_point(1, k, j, 0) ;
if (kkss.val_grid_point(1, k, j, 0) < min_kss)
min_kss = kkss.val_grid_point(1, k, j, 0) ;
if (hh_tilde.val_grid_point(1, k, j, 0) > max_hh_tilde)
max_hh_tilde = hh_tilde.val_grid_point(1, k, j, 0) ;
if (hh_tilde.val_grid_point(1, k, j, 0) < min_hh_tilde)
min_hh_tilde = hh_tilde.val_grid_point(1, k, j, 0) ;
}
kss_out << mer << " " << max_kss << " " << min_kss
<< " " << -1 * max_hh_tilde << " " << -1 * min_hh_tilde << endl ;
//Intermediate updates for tests
if (solve_psi == 1)
set_psi(psi_j) ;
if (solve_lapse == 1)
n_evol.update(nntilde_j * psi_j_a, jtime, ttime) ;
if (solve_shift == 1)
beta_evol.update(beta_j, jtime, ttime) ;
if (solve_shift == 1)
update_aa() ;
}
// Global updates
//--------------
Scalar psi_j_a = pow(psi_j, a) ;
psi_j_a.std_spectral_base() ;
if (solve_psi == 1)
set_psi(psi_j) ;
if (solve_lapse == 1)
n_evol.update(nntilde_j * psi_j_a, jtime, ttime) ;
if (solve_shift == 1)
beta_evol.update(beta_j, jtime, ttime) ;
if (solve_shift == 1)
update_aa() ;
/*
Vector beta_j_d = beta().down(0, met_gamt) ;
Scalar check ( -psi() * psi() * psi() * trK
+ psi() * met_gamt.radial_vect().divergence(met_gamt)
+ psi() * psi() * psi() * pow(psi(), -a)/(2. * nntilde_j)
* contract( beta_j_d.ope_killing_conf(met_gamt), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
+ 1./3. * psi() * psi() * psi() * trK
* contract( met_gamt.cov(), 0, 1, met_gamt.radial_vect()
* met_gamt.radial_vect(), 0, 1)
+ 4 * contract (met_gamt.radial_vect(), 0, psi().derive_cov(met_gamt),0) ) ;
des_meridian(check, 1, 4., "CHECK", 1) ;
arrete() ;
Scalar exp = contract(gam().radial_vect().derive_cov(gam()), 0,1)
+ contract(contract(k_dd(), 0, gam().radial_vect(), 0),
0, gam().radial_vect(), 0)
- trk() ;
des_meridian(exp, 1, 4., "Expansion", 1) ;
arrete() ;
*/
conv.close() ;
kss_out.close() ;
}
}
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