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material_cohesive_linear_uncoupled.hh
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rAKA akantu
material_cohesive_linear_uncoupled.hh
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/**
* @file material_cohesive_linear_uncoupled.hh
*
* @author Mauro Corrado <mauro.corrado@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Thu Feb 20 2020
*
* @brief Linear irreversible cohesive law of mixed mode loading with
* random stress definition for extrinsic type
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "material_cohesive_linear.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_MATERIAL_COHESIVE_LINEAR_UNCOUPLED_HH_
#define AKANTU_MATERIAL_COHESIVE_LINEAR_UNCOUPLED_HH_
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/**
* Cohesive material linear with two different laws for mode I and
* mode II, for extrinsic case
*
* parameters in the material files :
* - roughness : define the interaction between mode I and mode II (default: 0)
*/
template
<
Int
dim
>
class
MaterialCohesiveLinearUncoupled
:
public
MaterialCohesiveLinear
<
dim
>
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
// typedef MaterialCohesiveLinear<spatial_dimension> MaterialParent;
public
:
MaterialCohesiveLinearUncoupled
(
SolidMechanicsModel
&
model
,
const
ID
&
id
=
""
);
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
/// initialize the material parameters
void
initMaterial
()
override
;
protected
:
/// constitutive law
void
computeTraction
(
const
Array
<
Real
>
&
normal
,
ElementType
el_type
,
GhostType
ghost_type
=
_not_ghost
)
override
;
/// compute tangent stiffness matrix
void
computeTangentTraction
(
ElementType
el_type
,
Array
<
Real
>
&
tangent_matrix
,
const
Array
<
Real
>
&
normal
,
GhostType
ghost_type
)
override
;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected
:
/// parameter to tune the interaction between mode II and mode I
Real
R
;
/// maximum normal displacement
CohesiveInternalField
<
Real
>
delta_n_max
;
/// maximum tangential displacement
CohesiveInternalField
<
Real
>
delta_t_max
;
/// damage associated to normal tractions
CohesiveInternalField
<
Real
>
damage_n
;
/// damage associated to shear tractions
CohesiveInternalField
<
Real
>
damage_t
;
};
}
// namespace akantu
#endif
/* AKANTU_MATERIAL_COHESIVE_LINEAR_UNCOUPLED_HH_ */
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