diff_solver.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 #include "libmesh/libmesh_common.h"
20 #include "libmesh/diff_solver.h"
21 #include "libmesh/newton_solver.h"
23 namespace libMesh
24 {
25 
26 
27 
29  : ParallelObject(s),
30  max_linear_iterations(1000),
31  max_nonlinear_iterations(100),
32  quiet(true),
33  verbose(false),
34  continue_after_max_iterations(true),
35  continue_after_backtrack_failure(false),
36  absolute_residual_tolerance(0.),
37  relative_residual_tolerance(0.),
38  absolute_step_tolerance(0.),
39  relative_step_tolerance(0.),
40  initial_linear_tolerance(1e-12),
41  minimum_linear_tolerance(TOLERANCE*TOLERANCE),
42  max_solution_norm(0.),
43  max_residual_norm(0.),
44  _system (s),
45  _solve_result(INVALID_SOLVE_RESULT)
46 {
47 }
48 
49 
50 
52 {
53  return AutoPtr<DiffSolver>(new NewtonSolver(s));
54 }
55 
56 
57 
59 {
60  // Reset the max_step_size and max_residual_norm for a new mesh
61  max_solution_norm = 0.;
62  max_residual_norm = 0.;
63 }
64 
65 
66 
68 {
69  // Reset the max_step_size and max_residual_norm for a new problem
70  max_solution_norm = 0.;
71  max_residual_norm = 0.;
72 }
73 
74 } // namespace libMesh

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