obstacle_in_normal_dir.h

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/*
 * Copyright (c) 2013-2015:  G-CSC, Goethe University Frankfurt
 * Author: Raphael Prohl
 * 
 * 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_ALGEBRA__OPERATOR__PRECONDITIONER__PROJECTED_GAUSS_SEIDEL__OBSTACLE_IN_NORMAL_DIR__
#define __H__UG__LIB_ALGEBRA__OPERATOR__PRECONDITIONER__PROJECTED_GAUSS_SEIDEL__OBSTACLE_IN_NORMAL_DIR__
 
#include "obstacle_constraint_interface.h"
#include "lib_disc/function_spaces/grid_function.h"
 
namespace ug{
 
 
template <typename TDomain, typename TAlgebra>
class ObstacleInNormalDir:
  public IObstacleConstraint<TDomain,TAlgebra>
{
  public:
    typedef IObstacleConstraint<TDomain,TAlgebra> base_type;
 
    typedef TAlgebra algebra_type;
 
    typedef typename algebra_type::matrix_type matrix_type;
 
    typedef typename algebra_type::vector_type vector_type;
 
    typedef typename vector_type::value_type value_type;
 
    typedef GridFunction<TDomain, TAlgebra> function_type;
 
    typedef TDomain domain_type;
 
    static const int dim = domain_type::dim;
 
    typedef typename domain_type::position_type position_type;
 
  public:
    ObstacleInNormalDir(const function_type& u):
      IObstacleConstraint<TDomain,TAlgebra>(u){
      m_spDD = u.dof_distribution();
      m_spDomain = u.domain();
 
      UG_LOG("In ObstacleInNormalDir::constructor u hat "<<u.size()<<"Eintraege \n");
      UG_LOG("\n");
    };
 
    ObstacleInNormalDir(): IObstacleConstraint<TDomain,TAlgebra>(){};
 
    void preprocess();
 
    void adjust_sol_and_cor(value_type& sol_i, value_type& c_i, bool& dofIsActive,
        const DoFIndex& dof);
 
    void adjust_defect_to_constraint(vector_type& d);
 
    void restrict_obs_values();
 
    ~ObstacleInNormalDir(){};
 
  private:
    void transform_eulerian_coord_sys(MathVector<dim> transformedONB[],
        const MathVector<dim>& firstTransformedBaseVec);
 
    template <typename TElem, typename TIterator>
    void adjust_sol_and_cor_elem(TIterator iterBegin, TIterator iterEnd, value_type& sol_i,
        value_type& c_i, bool& dofIsAdmissible, const DoFIndex& dof);
 
  private:
    using base_type::m_vActiveDofs;
 
    using base_type::m_mObstacleValues;
 
    using base_type::m_vObsSubsets;
 
    ConstSmartPtr<DoFDistribution> m_spDD;
 
    ConstSmartPtr<TDomain> m_spDomain;
 
    struct obsDoFData{
      number obsVal;
      MathVector<dim> transformedONB[dim];
    };
};
 
} // end namespace ug
 
// include implementation
#include "obstacle_in_normal_dir_impl.h"
 
#endif /* __H__UG__LIB_ALGEBRA__OPERATOR__PRECONDITIONER__PROJECTED_GAUSS_SEIDEL__OBSTACLE_IN_NORMAL_DIR__ */