neumann_boundary_fe.h

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/*
 * Copyright (c) 2013-2015:  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 __H__UG__LIB_DISC__SPATIAL_DISC__ELEM_DISC__NEUMANN_BOUNDARY___NEUMANN_BOUNDARY_FE__
#define __H__UG__LIB_DISC__SPATIAL_DISC__ELEM_DISC__NEUMANN_BOUNDARY___NEUMANN_BOUNDARY_FE__
 
// other ug4 modules
#include "common/common.h"
 
// library intern headers
#include "../neumann_boundary_base.h"
 
namespace ug{
 
template<typename TDomain>
class NeumannBoundaryFE
  : public NeumannBoundaryBase<TDomain>
{
  private:
    typedef NeumannBoundaryBase<TDomain> base_type;
 
    typedef NeumannBoundaryFE<TDomain> this_type;
 
  public:
    static const int dim = base_type::dim;
 
  public:
    NeumannBoundaryFE(const char* function);
 
    void add(SmartPtr<CplUserData<number, dim> > data,      const char* BndSubsets, const char* InnerSubsets);
    void add(SmartPtr<CplUserData<number, dim, bool> > user,    const char* BndSubsets, const char* InnerSubsets);
    void add(SmartPtr<CplUserData<MathVector<dim>, dim> > user,   const char* BndSubsets, const char* InnerSubsets);
 
  protected:
    using typename base_type::Data;
 
    struct NumberData : public base_type::Data
    {
      NumberData(SmartPtr<CplUserData<number, dim> > data,
             std::string BndSubsets, std::string InnerSubsets,
             NeumannBoundaryFE* this_)
        : base_type::Data(BndSubsets, InnerSubsets), This(this_)
      {
        import.set_data(data);
      }
 
      template<typename TElem, typename TFEGeom>
      void extract_bip(const TFEGeom& geo);
 
      template <typename TElem, typename TFEGeom>
      void lin_def(const LocalVector& u,
             std::vector<std::vector<number> > vvvLinDef[],
             const size_t nip);
 
      DataImport<number, dim> import;
      std::vector<MathVector<dim> > vLocIP;
      std::vector<MathVector<dim> > vGloIP;
      NeumannBoundaryFE* This;
    };
    friend struct NumberData;
 
    struct BNDNumberData : public base_type::Data
    {
      BNDNumberData(SmartPtr<CplUserData<number, dim, bool> > functor_,
              std::string BndSubsets, std::string InnerSubsets)
        : base_type::Data(BndSubsets, InnerSubsets), functor(functor_) {}
 
      SmartPtr<CplUserData<number, dim, bool> > functor;
    };
 
    struct VectorData : public base_type::Data
    {
      VectorData(SmartPtr<CplUserData<MathVector<dim>, dim> > functor_,
             std::string BndSubsets, std::string InnerSubsets)
      : base_type::Data(BndSubsets, InnerSubsets), functor(functor_) {}
 
      SmartPtr<CplUserData<MathVector<dim>, dim> > functor;
    };
 
    std::vector<NumberData> m_vNumberData;
    std::vector<BNDNumberData> m_vBNDNumberData;
    std::vector<VectorData> m_vVectorData;
 
    void update_subset_groups();
 
  public:
    virtual void prepare_setting(const std::vector<LFEID>& vLfeID, bool bNonRegularGrid);
 
  protected:
    int m_order;
    int m_quadOrder;
 
    LFEID m_lfeID;
 
    int m_si;
 
  protected:
    template<typename TElem, typename TFEGeom>
    void prep_elem_loop(const ReferenceObjectID roid, const int si);
    template<typename TElem, typename TFEGeom>
    void prep_elem(const LocalVector& u, GridObject* elem, const ReferenceObjectID roid, const MathVector<dim> vCornerCoords[]);
    template<typename TElem, typename TFEGeom>
    void finish_elem_loop();
    template<typename TElem, typename TFEGeom>
    void add_rhs_elem(LocalVector& d, GridObject* elem, const MathVector<dim> vCornerCoords[]);
 
    static const int _C_ = 0;
 
  protected:
    void register_all_funcs(int order);
    template<typename TElem, typename TFEGeom> void register_func();
};
 
} // end namespac ug
 
#endif /*__H__UG__LIB_DISC__SPATIAL_DISC__ELEM_DISC__NEUMANN_BOUNDARY___NEUMANN_BOUNDARY_FE1__*/