skin_law.h

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/*
 * Copyright (c) 2014-2015:  G-CSC, Goethe University Frankfurt
 * Author: Andreas Vogel
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 */
 
#ifndef SKIN_LAW_H_
#define SKIN_LAW_H_
 
namespace ug{
namespace SmallStrainMechanics{
 
 
template <typename TDomain>
class SkinMaterialLaw
  : public IMaterialLaw<TDomain>
{
  private:
    typedef IMaterialLaw<TDomain> base_type;
 
  public:
    static const int dim = TDomain::dim;
 
  public:
    SkinMaterialLaw(): IMaterialLaw<TDomain>()
    {
      base_type::m_bConstElastTens = false;
    };
 
    ~SkinMaterialLaw(){};
 
  public:
  // INTERFACE-METHODS
    void init();
 
    void stressTensor(MathMatrix<dim,dim>& stressTens, const size_t ip,
              const MathMatrix<dim, dim>& GradU){
      UG_THROW("SkinMaterialLaw: only position dependent material law supported");
    }
    void stressTensor(MathMatrix<dim,dim>& stressTens, const size_t ip,
          const MathVector<dim>& x, const MathMatrix<dim, dim>& GradU);
 
    virtual inline SmartPtr<MathTensor4<dim,dim,dim,dim> > elasticityTensor(){
      UG_THROW("SkinMaterialLaw: only position dependent material law supported");
    }
 
    virtual SmartPtr<MathTensor4<dim,dim,dim,dim> >
      elasticityTensor(const size_t ip, const MathMatrix<dim, dim>& GradU){
      UG_THROW("SkinMaterialLaw: only position dependent material law supported");
    }
 
    virtual SmartPtr<MathTensor4<TDomain::dim,TDomain::dim,TDomain::dim,TDomain::dim> >
      elasticityTensor(const size_t ip, const MathVector<dim>& x, const MathMatrix<dim, dim>& GradU);
 
 
  public:
    void set_hooke_elasticity_tensor(const number lambda, const number mu);
    void set_hooke_elasticity_tensor_E_nu(const number E, const number nu);
 
    void set_hooke_elasticity_tensor_plain_stress_E_nu(const number E, const number nu);
    void set_hooke_elasticity_tensor_plain_strain_E_nu(const number E, const number nu);
 
  public:
    using base_type::m_materialConfiguration;
 
  private:
    void strainTensor(MathMatrix<dim,dim>& strainTens, const MathMatrix<dim, dim>& GradU);
 
  private:
    SmartPtr<MathTensor4<dim,dim,dim,dim> > m_spElastTensorFunct;
 
 
};
 
}// end of namespace SmallStrainMechanics
}// end of namespace ug
 
#include "skin_law_impl.h"
 
#endif /* SKIN_LAW_H_ */