Page MenuHomec4science
Files F90692540

contact_rigid_no_friction.hh
No OneTemporary
Actions

File Metadata

Created
Sun, Nov 3, 22:19

contact_rigid_no_friction.hh
View Options

/**
* @file contact_rigid_no_friction.hh
* @author David Kammer <david.kammer@epfl.ch>
* @date Mon Jan 17 14:10:05 2011
*
* @brief Structure that solves contact for for a rigid master surface without
* friction 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_RIGID_NO_FRICTION_HH__
#define __AKANTU_CONTACT_RIGID_NO_FRICTION_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "contact.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
class ContactRigidNoFriction : public Contact {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ContactRigidNoFriction(const SolidMechanicsModel & model,
const ContactType & type,
const ContactID & id = "contact",
const MemoryID & memory_id = 0);
virtual ~ContactRigidNoFriction();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// solve the contact
void solveContact();
/// avoid adhesion by delocking contact nodes that have tensile contact force
void avoidAdhesion();
/// add friction forces
void addFriction();
/// find nodes that stick
void addSticking();
/// function to print the contain of the class
//virtual void printself(std::ostream & stream, int indent = 0) const;
private:
/// solve penetration of penetrating nodes
//void solvePenetration(const PenetrationList & penet_list);
/// solve penetration to the closest facet
void solvePenetrationClosestProjection(const PenetrationList & penet_list);
/// projects the impactor to the projected position
void projectImpactor(const PenetrationList & penet_list,
const UInt impactor_index,
const ElementType facet_type,
const UInt facet_offset);
void lockImpactorNode(const PenetrationList & penet_list,
const UInt impactor_index,
const ElementType facet_type,
const UInt facet_offset);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get the vector containing the active impactor nodes
AKANTU_GET_MACRO(ActiveImpactorNodes, active_impactor_nodes, const Vector<UInt> *);
/// get the vector that indicates if an impactor node sticks
AKANTU_GET_MACRO(NodeIsSticking, node_is_sticking, const Vector<bool> *);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// spatial dimension of mesh
UInt spatial_dimension;
/// the mesh
const Mesh & mesh;
/// the normal to the master surface
Vector<Int> * master_normals;
/// list of active impactor nodes
Vector<UInt> * active_impactor_nodes;
/// show if node is sticking
Vector<bool> * node_is_sticking;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
//#include "contact_rigid_no_friction_inline_impl.cc"
/// standard output stream operator
//inline std::ostream & operator <<(std::ostream & stream, const ContactRigidNoFriction & _this)
//{
// _this.printself(stream);
// return stream;
//}
__END_AKANTU__
#endif /*__AKANTU_CONTACT_RIGID_NO_FRICTION_HH__ */

Event Timeline

c4science · Help