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material_cohesive_linear_friction.hh
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Tue, Sep 24, 17:26
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rAKA akantu
material_cohesive_linear_friction.hh
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/**
* Copyright (©) 2010-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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/>.
*/
/* -------------------------------------------------------------------------- */
#include "material_cohesive_linear.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_
#define AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/**
* Cohesive material linear with friction force
*
* parameters in the material files :
* - mu : friction coefficient
* - penalty_for_friction : Penalty parameter for the friction behavior
*/
template
<
Int
dim
>
class
MaterialCohesiveLinearFriction
:
public
MaterialCohesiveLinear
<
dim
>
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
using
MaterialParent
=
MaterialCohesiveLinear
<
dim
>
;
public
:
MaterialCohesiveLinearFriction
(
SolidMechanicsModel
&
model
,
const
ID
&
id
=
""
);
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
/// initialize the material parameters
void
initMaterial
()
override
;
protected
:
/// constitutive law
void
computeTraction
(
ElementType
el_type
,
GhostType
ghost_type
=
_not_ghost
)
override
;
/// compute tangent stiffness matrix
void
computeTangentTraction
(
ElementType
el_type
,
Array
<
Real
>
&
tangent_matrix
,
GhostType
ghost_type
)
override
;
decltype
(
auto
)
getArguments
(
ElementType
el_type
,
GhostType
ghost_type
=
_not_ghost
)
{
using
namespace
tuple
;
return
zip_append
(
MaterialParent
::
getArguments
(
el_type
,
ghost_type
),
"residual_sliding"
_n
=
residual_sliding
(
el_type
,
ghost_type
),
"friction_force"
_n
=
make_view
<
dim
>
(
friction_force
(
el_type
,
ghost_type
)),
"previous_residual_sliding"
_n
=
residual_sliding
.
previous
(
el_type
,
ghost_type
));
}
template
<
typename
Args
>
void
computeTractionOnQuad
(
Args
&&
args
);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected
:
/// maximum value of the friction coefficient
Real
mu_max
;
/// penalty parameter for the friction law
Real
friction_penalty
;
/// history parameter for the friction law
CohesiveInternalField
<
Real
>
residual_sliding
;
/// friction force
CohesiveInternalField
<
Real
>
friction_force
;
};
}
// namespace akantu
#endif
/* AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_ */
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