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ntrf_friction_linear_slip_weakening.hh
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rAKA akantu
ntrf_friction_linear_slip_weakening.hh
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/**
* @file ntrf_friction_linear_slip_weakening.hh
* @author David Kammer <david.kammer@epfl.ch>
* @date Mon May 13 17:05:07 2013
*
* @brief linear slip weakening friction
*
* @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_NTRF_FRICTION_LINEAR_SLIP_WEAKENING_HH__
#define __AST_NTRF_FRICTION_LINEAR_SLIP_WEAKENING_HH__
/* -------------------------------------------------------------------------- */
// simtools
#include "ntrf_friction_regularized_coulomb.hh"
__BEGIN_SIMTOOLS__
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
/* -------------------------------------------------------------------------- */
class
NTRFFrictionLinearSlipWeakening
:
public
NTRFFrictionRegularizedCoulomb
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
NTRFFrictionLinearSlipWeakening
(
NTRFContact
&
contact
,
const
FrictionID
&
id
=
"friction_linear_slip_weakening"
,
const
MemoryID
&
memory_id
=
0
);
virtual
~
NTRFFrictionLinearSlipWeakening
()
{};
/* ------------------------------------------------------------------------ */
/* 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
:
/// computes the friction coefficient as a function of slip
virtual
void
computeFrictionCoefficient
();
/// compute frictional strength according to friction law
virtual
void
computeFrictionalStrength
();
/* ------------------------------------------------------------------------ */
/* Dumpable */
/* ------------------------------------------------------------------------ */
public
:
virtual
void
addDumpFieldToDumper
(
const
std
::
string
&
dumper_name
,
const
std
::
string
&
field_id
);
// virtual void addDumpFieldVector(const std::string & field_id);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
// set static friction coefficient to all nodes
void
setMuS
(
Real
mu
);
// set static friction coefficient only to node (global index)
void
setMuS
(
UInt
node
,
Real
mu
);
// set kinetic friction coefficient to all nodes
void
setMuK
(
Real
mu
);
// set kinetic friction coefficient only to node (global index)
void
setMuK
(
UInt
node
,
Real
mu
);
// set weakening length to all nodes
void
setWeakeningLength
(
Real
length
);
// set weakening length only to node (global index)
void
setWeakeningLength
(
UInt
node
,
Real
length
);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private
:
// Dc the length over which slip weakening happens
SynchronizedArray
<
Real
>
weakening_length
;
// static coefficient of friction
SynchronizedArray
<
Real
>
mu_s
;
// kinetic coefficient of friction
SynchronizedArray
<
Real
>
mu_k
;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
//#include "ntrf_friction_linear_slip_weakening_inline_impl.cc"
/// standard output stream operator
inline
std
::
ostream
&
operator
<<
(
std
::
ostream
&
stream
,
const
NTRFFrictionLinearSlipWeakening
&
_this
)
{
_this
.
printself
(
stream
);
return
stream
;
}
__END_SIMTOOLS__
#endif
/* __AST_NTRF_FRICTION_LINEAR_SLIP_WEAKENING_HH__ */
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