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contact_search_explicit.hh
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/**
* @file contact_search_explicit.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date Wed Oct 27 13:54:26 2010
*
* @brief Structure that finds contact for 3 dimensions within an explicit time
* scheme
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_CONTACT_SEARCH_EXPLICIT_HH__
#define __AKANTU_CONTACT_SEARCH_EXPLICIT_HH__
/* -------------------------------------------------------------------------- */
#include "contact_search.hh"
#include "contact_neighbor_structure.hh"
#include "regular_grid_neighbor_structure.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
class ContactSearchExplicit : public ContactSearch {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ContactSearchExplicit(Contact & contact,
const ContactNeighborStructureType & neighbors_structure_type,
const ContactSearchType & type,
const ContactSearchID & id = "search_contact");
//virtual ~ContactSearchExplicit();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// build the penetration list
void findPenetration(const Surface & master_surface, PenetrationList & penetration_list);
/// function to print the contain of the class
//virtual void printself(std::ostream & stream, int indent = 0) const;
private:
/// find the closest master node
void findClosestMasterNodes(const Surface & master_surface,
Array<UInt> * closest_master_nodes,
Array<bool> * has_closest_master_node);
/// compute the square of the distance between two nodes
inline Real computeSquareDistanceBetweenNodes(const UInt node_1, const UInt node_2);
/// test if impactor node is inside and in the projection area
void checkPenetrationSituation(const UInt impactor_node,
const UInt surface_element,
const ElementType type,
bool & is_inside,
bool & is_in_projection_area);
/// test if impactor node is inside and in the projection area for segment_2
void checkPenetrationSituationSegment2(const UInt impactor_node,
const UInt surface_element,
bool & is_inside,
bool & is_in_projection_area);
/// test if impactor node is inside and in the projection area for triangle_3
void checkPenetrationSituationTriangle3(const UInt impactor_node,
const UInt surface_element,
bool & is_inside,
bool & is_in_projection_area);
/// compute the normal, the gap and the projected position for impactor
void computeComponentsOfProjection(const UInt impactor_node,
const UInt surface_element,
const ElementType type,
Real * normal,
Real & gap,
Real * projected_position);
/// compute the normal, the gap and the projected position for impactor for segment_2
void computeComponentsOfProjectionSegment2(const UInt impactor_node,
const UInt surface_element,
Real * normal,
Real & gap,
Real * projected_position);
/// compute the normal, the gap and the projected position for impactor for triangle_3
void computeComponentsOfProjectionTriangle3(const UInt impactor_node,
const UInt surface_element,
Real * normal,
Real & gap,
Real * projected_position);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// spatial dimension of mesh
UInt spatial_dimension;
/// the mesh
const Mesh & mesh;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#if defined (AKANTU_INCLUDE_INLINE_IMPL)
# include "contact_search_explicit_inline_impl.cc"
#endif
/// standard output stream operator
// inline std::ostream & operator <<(std::ostream & stream, const ContactSearchExplicit & _this)
// {
// _this.printself(stream);
// return stream;
// }
__END_AKANTU__
#endif /* __AKANTU_CONTACT_SEARCH_EXPLICIT_HH__ */

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