xc
UnbalAndTangent.h
1 // -*-c++-*-
2 //----------------------------------------------------------------------------
3 // XC program; finite element analysis code
4 // for structural analysis and design.
5 //
6 // Copyright (C) Luis C. Pérez Tato
7 //
8 // This program derives from OpenSees <http://opensees.berkeley.edu>
9 // developed by the «Pacific earthquake engineering research center».
10 //
11 // Except for the restrictions that may arise from the copyright
12 // of the original program (see copyright_opensees.txt)
13 // XC is free software: you can redistribute it and/or modify
14 // it under the terms of the GNU General Public License as published by
15 // the Free Software Foundation, either version 3 of the License, or
16 // (at your option) any later version.
17 //
18 // This software is distributed in the hope that it will be useful, but
19 // WITHOUT ANY WARRANTY; without even the implied warranty of
20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 // GNU General Public License for more details.
22 //
23 //
24 // You should have received a copy of the GNU General Public License
25 // along with this program.
26 // If not, see <http://www.gnu.org/licenses/>.
27 //----------------------------------------------------------------------------
28 //UnbalAndTangent.h
29 
30 
31 #ifndef UnbalAndTangent_h
32 #define UnbalAndTangent_h
33 
34 #include "solution/analysis/model/UnbalAndTangentStorage.h"
35 
36 namespace XC {
37 
39 //
42  {
43  private:
44  size_t nDOF;
45  UnbalAndTangentStorage *unbalAndTangentArray;
46  void alloc(void);
47 
48  public:
49  UnbalAndTangent(const size_t &,UnbalAndTangentStorage &);
50  virtual ~UnbalAndTangent(void);
51 
52  inline const size_t &getNumDOF(void) const
53  { return nDOF; }
54 
55  const Matrix &getTangent(void) const;
56  Matrix &getTangent(void);
57  const Vector &getResidual(void) const;
58  Vector &getResidual(void);
59  };
60 } // end of XC namespace
61 
62 #endif
63 
64 
Unbalanced force vectors and tangent stiffness matrices.
Definition: UnbalAndTangentStorage.h:47
Float vector abstraction.
Definition: Vector.h:94
const Matrix & getTangent(void) const
Return the tangent stiffness matrix.
Definition: UnbalAndTangent.cc:49
const Vector & getResidual(void) const
Returns the residual vector.
Definition: UnbalAndTangent.cc:61
UnbalAndTangent(const size_t &, UnbalAndTangentStorage &)
Constructor.
Definition: UnbalAndTangent.cc:38
Unbalanced force vector and tangent stiffness matrix.
Definition: UnbalAndTangent.h:41
virtual ~UnbalAndTangent(void)
destructor.
Definition: UnbalAndTangent.cc:43
Open source finite element program for structural analysis.
Definition: ContinuaReprComponent.h:35
Matrix of floats.
Definition: Matrix.h:111