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rAKA/src/ntn_contact/friction_laws/ntn_friclaw_linear_slip_weakening.hh
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ntn_friclaw_linear_slip_weakening.hh
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/**
* @file ntn_friclaw_linear_slip_weakening.hh
* @author David Kammer <david.kammer@epfl.ch>
* @date Mon Sep 2 15:28:25 2013
*
* @brief linear slip weakening
*
* @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 __AST_NTN_FRICLAW_LINEAR_SLIP_WEAKENING_HH__
#define __AST_NTN_FRICLAW_LINEAR_SLIP_WEAKENING_HH__
/* -------------------------------------------------------------------------- */
// simtools
#include "ntn_friclaw_coulomb.hh"
__BEGIN_SIMTOOLS__
/* -------------------------------------------------------------------------- */
using namespace akantu;
template <class Regularisation = NTNFricRegNoRegularisation>
class NTNFricLawLinearSlipWeakening : public NTNFricLawCoulomb<Regularisation> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
NTNFricLawLinearSlipWeakening(NTNBaseContact * contact,
const FrictionID & id = "linear_slip_weakening",
const MemoryID & memory_id = 0);
virtual ~NTNFricLawLinearSlipWeakening() {};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// register synchronizedarrays for sync
virtual void registerSynchronizedArray(SynchronizedArrayBase & array);
/// dump restart file
virtual void dumpRestart(const std::string & file_name) const;
/// read restart file
virtual void readRestart(const std::string & file_name);
/// function to print the contain of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
protected:
/// compute frictional strength according to friction law
virtual void computeFrictionalStrength();
/// computes the friction coefficient as a function of slip
virtual void computeFrictionCoefficient();
/* ------------------------------------------------------------------------ */
/* Dumpable */
/* ------------------------------------------------------------------------ */
public:
virtual void addDumpFieldToDumper(const std::string & dumper_name,
const std::string & field_id);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
// static coefficient of friction
SynchronizedArray<Real> mu_s;
// kinetic coefficient of friction
SynchronizedArray<Real> mu_k;
// Dc the length over which slip weakening happens
SynchronizedArray<Real> d_c;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
/// standard output stream operator
template <class Regularisation>
inline std::ostream & operator <<(std::ostream & stream,
const NTNFricLawLinearSlipWeakening<Regularisation> & _this)
{
_this.printself(stream);
return stream;
}
__END_SIMTOOLS__
#include "ntn_friclaw_linear_slip_weakening_tmpl.hh"
#endif /* __AST_NTN_FRICLAW_LINEAR_SLIP_WEAKENING_HH__ */
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