LORENE
poisson_interne.C
1 
2 /*
3  * Copyright (c) 2004 Francois Limousin
4  *
5  * This file is part of LORENE.
6  *
7  * LORENE is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * LORENE is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with LORENE; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  */
22 
23 
24 char poisson_interne_C[] = "$Header: /cvsroot/Lorene/C++/Source/Non_class_members/PDE/poisson_interne.C,v 1.4 2014/10/13 08:53:29 j_novak Exp $" ;
25 
26 /*
27  * $Id: poisson_interne.C,v 1.4 2014/10/13 08:53:29 j_novak Exp $
28  * $Log: poisson_interne.C,v $
29  * Revision 1.4 2014/10/13 08:53:29 j_novak
30  * Lorene classes and functions now belong to the namespace Lorene.
31  *
32  * Revision 1.3 2014/10/06 15:16:09 j_novak
33  * Modified #include directives to use c++ syntax.
34  *
35  * Revision 1.2 2004/11/23 12:51:42 f_limousin
36  * Minor changes.
37  *
38  * Revision 1.1 2004/03/31 11:36:15 f_limousin
39  * First version
40  *
41  *
42  * $Header: /cvsroot/Lorene/C++/Source/Non_class_members/PDE/poisson_interne.C,v 1.4 2014/10/13 08:53:29 j_novak Exp $
43  *
44  */
45 
46 
47 // Header C :
48 #include <cstdlib>
49 #include <cmath>
50 
51 // Headers Lorene :
52 #include "matrice.h"
53 #include "tbl.h"
54 #include "mtbl_cf.h"
55 #include "map.h"
56 #include "base_val.h"
57 #include "proto.h"
58 #include "type_parite.h"
59 #include "utilitaires.h"
60 
61 
62 
63 
64  //----------------------------------------------
65  // Version Mtbl_cf
66  //----------------------------------------------
67 
68 namespace Lorene {
69 Mtbl_cf sol_poisson_interne (const Map_af& mapping,
70  const Mtbl_cf& source, const Mtbl_cf& lim_der){
71 
72  int nz = source.get_mg()->get_nzone() ;
73 
74  assert(source.get_mg()->get_type_r(0) == RARE) ;
75  assert (lim_der.get_mg() == source.get_mg()->get_angu()) ;
76  assert (source.get_etat() != ETATNONDEF) ;
77  assert (lim_der.get_etat() != ETATNONDEF) ;
78 
79  // Bases spectrales
80  const Base_val& base = source.base ;
81 
82  // donnees sur la zone
83  int nr = source.get_mg()->get_nr(0) ;
84  int nt = source.get_mg()->get_nt(0) ;
85  int np = source.get_mg()->get_np(0) ;;
86  int base_r ;
87  int l_quant, m_quant;
88 
89  double alpha = mapping.get_alpha()[0] ;
90  double beta = mapping.get_beta()[0] ;
91  double facteur ;
92 
93  //Rangement des valeurs intermediaires
94  Tbl *so ;
95  Tbl *sol_hom ;
96  Tbl *sol_part ;
97  Matrice *operateur ;
98  Matrice *nondege ;
99 
100 
101  Mtbl_cf resultat(source.get_mg(), base) ;
102  resultat.annule_hard() ;
103 
104  for (int k=0 ; k<np+1 ; k++)
105  for (int j=0 ; j<nt ; j++)
106  if (nullite_plm(j, nt, k, np, base) == 1)
107  {
108  // calcul des nombres quantiques :
109  donne_lm(nz, 0, j, k, base, m_quant, l_quant, base_r) ;
110 
111  // Construction de l'operateur
112  operateur = new Matrice(laplacien_mat
113  (nr, l_quant, 0., 0, base_r)) ;
114 
115  (*operateur) = combinaison(*operateur, l_quant, 0.,0, base_r) ;
116 
117  // Operateur inversible
118  nondege = new Matrice(prepa_nondege(*operateur, l_quant,
119  0., 0, base_r)) ;
120 
121  // Calcul DE LA SH
122  sol_hom = new Tbl(solh(nr, l_quant, 0., base_r)) ;
123 
124  // Calcul de la SP
125  so = new Tbl(nr) ;
126  so->set_etat_qcq() ;
127  for (int i=0 ; i<nr ; i++)
128  so->set(i) = source(0, k, j, i) ;
129 
130  sol_part = new Tbl (solp(*operateur, *nondege, alpha,
131  beta, *so, 0, base_r)) ;
132 
133  //-------------------------------------------
134  // On est parti pour imposer la boundary
135  //-------------------------------------------
136 
137  // Condition de raccord de type Neumann :
138  double val_der_solp = 0 ;
139  for (int i=0 ; i<nr ; i++)
140  if (m_quant%2 == 0)
141  val_der_solp += (2*i)*(2*i)*(*sol_part)(i)/alpha ;
142  else
143  val_der_solp += (2*i+1)*(2*i+1)*(*sol_part)(i)/alpha ;
144 
145  double val_der_solh = 0 ;
146  for (int i=0 ; i<nr ; i++)
147  if (m_quant%2 == 0)
148  val_der_solh += (2*i)*(2*i)*(*sol_hom)(i)/alpha ;
149  else
150  val_der_solh += (2*i+1)*(2*i+1)*(*sol_hom)(i)/alpha ;
151 
152  if (l_quant != 0){
153  assert (val_der_solh != 0) ;
154 
155  facteur = (lim_der(0, k, j, 0)-val_der_solp) /
156  val_der_solh ;
157 
158  for (int i=0 ; i<nr ; i++)
159  sol_part->set(i) += facteur*(*sol_hom)(i) ;
160  }
161  else {
162  for (int i=0 ; i<nr ; i++)
163  sol_part->set(i) = 0. ;
164  }
165 
166 
167  // solp contient le bon truc (normalement ...)
168  for (int i=0 ; i<nr ; i++)
169  resultat.set(0, k, j, i) = (*sol_part)(i) ;
170 
171  delete operateur ;
172  delete nondege ;
173  delete so ;
174  delete sol_hom ;
175  delete sol_part ;
176  }
177 
178  return resultat ;
179 }
180 }
Lorene prototypes.
Definition: app_hor.h:64
const Mg3d * get_mg() const
Returns the Mg3d on which the Mtbl_cf is defined.
Definition: mtbl_cf.h:453
int get_nzone() const
Returns the number of domains.
Definition: grilles.h:448