petsc_diff_solver.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2018 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 
20 #ifndef LIBMESH_PETSC_DIFF_SOLVER_H
21 #define LIBMESH_PETSC_DIFF_SOLVER_H
22 
23 #include "libmesh/libmesh_common.h"
24 
25 #ifdef LIBMESH_HAVE_PETSC
26 
27 // Local includes
28 #include "libmesh/diff_solver.h"
29 #include "libmesh/petsc_macro.h"
31 
32 // PETSc includes
33 # include <petscsnes.h>
34 
35 namespace libMesh
36 {
37 
50 {
51 public:
56  explicit
58 
62  virtual ~PetscDiffSolver ();
63 
64  typedef DiffSolver Parent;
65 
70  virtual void reinit () override;
71 
75  virtual void init () override;
76 
80  void clear ();
81 
87  virtual unsigned int solve () override;
88 
89 protected:
90 
94  SNES _snes;
95 
100 
101 private:
102 
106  void setup_petsc_data();
107 };
108 
109 } // namespace libMesh
110 
111 #endif // #ifdef LIBMESH_HAVE_PETSC
112 
113 #endif // LIBMESH_PETSC_DIFF_SOLVER_H
virtual void init() override
virtual unsigned int solve() override
PetscDiffSolver(sys_type &system)
const sys_type & system() const
Definition: diff_solver.h:138
virtual void reinit() override
Manages consistently variables, degrees of freedom, coefficient vectors, and matrices for implicit sy...