itkFEMElement3DMembrane1DOF.h

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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/

#ifndef __itkFEMElement3DMembrane1DOF_h
#define __itkFEMElement3DMembrane1DOF_h

#include "itkFEMElementBase.h"
#include "itkFEMMaterialLinearElasticity.h"

namespace itk
{
namespace fem
{
template <typename TBaseClass = Element>
class Element3DMembrane1DOF : public TBaseClass
{
public:

  typedef Element3DMembrane1DOF    Self;
  typedef TBaseClass               Superclass;
  typedef SmartPointer<Self>       Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkTypeMacro(Element3DMembrane1DOF, TBaseClass);

  // Repeat the required typedefs and enums from parent class
  typedef typename Superclass::Float      Float;
  typedef typename Superclass::MatrixType MatrixType;
  typedef typename Superclass::VectorType VectorType;

  Element3DMembrane1DOF();

  // ////////////////////////////////////////////////////////////////////////
  /*
   * Methods related to the physics of the problem.
   */

  virtual void GetStrainDisplacementMatrix(MatrixType & B, const MatrixType & shapeDgl) const;

  virtual void GetMaterialMatrix(MatrixType & D) const;

  void GetMassMatrix(MatrixType & Me) const;

  virtual unsigned int GetNumberOfDegreesOfFreedomPerNode(void) const
  {
    return 3;
  }

  virtual void GetStiffnessMatrix(MatrixType & Ke) const;

  virtual Material::ConstPointer GetMaterial(void) const
  {
    return dynamic_cast<const Material *>(m_Mat.GetPointer());
  }

  virtual void SetMaterial(Material::ConstPointer mat_)
  {
    m_Mat =
      dynamic_cast<const MaterialLinearElasticity *>( mat_.GetPointer() );
  }

protected:

  virtual void PrintSelf(std::ostream& os, Indent indent) const;

  MaterialLinearElasticity::ConstPointer m_Mat;

};  // class Element3DMembrane1DOF

}
}  // end namespace itk::fem

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFEMElement3DMembrane1DOF.hxx"
#endif

#endif  // #ifndef __itkFEMElement3DMembrane1DOF_h