ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkFEMElement2DMembrane.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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14  * See the License for the specific language governing permissions and
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18 
19 #ifndef __itkFEMElement2DMembrane_h
20 #define __itkFEMElement2DMembrane_h
21 
22 #include "itkFEMElementBase.h"
24 
25 namespace itk
26 {
27 namespace fem
28 {
52 template <class TBaseClass = Element>
53 class Element2DMembrane : public TBaseClass
54 {
55 public:
56 
59  typedef TBaseClass Superclass;
62 
64  itkTypeMacro(Element2DMembrane, TBaseClass);
65 
66  // Repeat the required typedefs and enums from parent class
67  typedef typename Superclass::Float Float;
70 
75 
76  // ////////////////////////////////////////////////////////////////////////
84  virtual void GetStrainDisplacementMatrix(MatrixType & B, const MatrixType & shapeDgl) const;
85 
89  virtual void GetMaterialMatrix(MatrixType & D) const;
90 
94  void GetMassMatrix(MatrixType & Me) const;
95 
99  virtual unsigned int GetNumberOfDegreesOfFreedomPerNode(void) const
100  {
101  return 2;
102  }
103 
108  {
109  return m_mat;
110  }
111 
113  {
114  m_mat =
115  dynamic_cast<const MaterialLinearElasticity *>( mat_.GetPointer() );
116  }
117 
118 protected:
119 
120  virtual void PrintSelf(std::ostream& os, Indent indent) const;
121 
126 
127 }; // class Element2DMembrane
128 
129 }
130 } // end namespace itk::fem
131 
132 #ifndef ITK_MANUAL_INSTANTIATION
133 #include "itkFEMElement2DMembrane.hxx"
134 #endif
135 
136 #endif // #ifndef __itkFEMElement2DMembrane_h
137