ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkFEMElement3DMembrane.h
Go to the documentation of this file.
00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 
00019 #ifndef __itkFEMElement3DMembrane_h
00020 #define __itkFEMElement3DMembrane_h
00021 
00022 #include "itkFEMElementBase.h"
00023 #include "itkFEMMaterialLinearElasticity.h"
00024 
00025 namespace itk
00026 {
00027 namespace fem
00028 {
00049 template <class TBaseClass = Element>
00050 class Element3DMembrane : public TBaseClass
00051 {
00052 public:
00053 
00055   typedef Element3DMembrane        Self;
00056   typedef TBaseClass               Superclass;
00057   typedef SmartPointer<Self>       Pointer;
00058   typedef SmartPointer<const Self> ConstPointer;
00059 
00061   itkTypeMacro(Element3DMembrane, TBaseClass);
00062 
00063   // Repeat the required typedefs and enums from parent class
00064   typedef typename Superclass::Float      Float;
00065   typedef typename Superclass::MatrixType MatrixType;
00066   typedef typename Superclass::VectorType VectorType;
00067 
00071   Element3DMembrane();
00072 
00073   // ////////////////////////////////////////////////////////////////////////
00081   virtual void GetStrainDisplacementMatrix(MatrixType & B, const MatrixType & shapeDgl) const;
00082 
00086   virtual void GetMaterialMatrix(MatrixType & D) const;
00087 
00091   void GetMassMatrix(MatrixType & Me) const;
00092 
00096   virtual unsigned int GetNumberOfDegreesOfFreedomPerNode(void) const
00097   {
00098     return 3;
00099   }
00100 
00104   virtual Material::ConstPointer GetMaterial(void) const
00105   {
00106     return dynamic_cast<const Material *>(m_mat);
00107   }
00108 
00109   virtual void SetMaterial(Material::ConstPointer mat_)
00110   {
00111     m_mat =
00112       dynamic_cast<const MaterialLinearElasticity *>( mat_.GetPointer() );
00113   }
00114 
00115 protected:
00116 
00117   virtual void PrintSelf(std::ostream& os, Indent indent) const;
00118 
00122   const MaterialLinearElasticity *m_mat;
00123 
00124 };  // class Element3DMembrane
00125 
00126 }
00127 }  // end namespace itk::fem
00128 
00129 #ifndef ITK_MANUAL_INSTANTIATION
00130 #include "itkFEMElement3DMembrane.hxx"
00131 #endif
00132 
00133 #endif  // #ifndef __itkFEMElement3DMembrane_h
00134