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material_linear_isotropic_hardening.hh
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rAKA akantu
material_linear_isotropic_hardening.hh
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/**
* @file material_linear_isotropic_hardening.hh
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
* @author Ramin Aghababaei <ramin.aghababaei@epfl.ch>
*
* @date creation: Thu Oct 03 2013
* @date last modification: Mon Apr 07 2014
*
* @brief Specialization of the material class for isotropic finite deformation linear hardening plasticity
*
* @section LICENSE
*
* Copyright (©) 2014 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 "aka_common.hh"
#include "aka_voigthelper.hh"
#include "material_plastic.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_LINEAR_ISOTROPIC_HARDENING_HH__
#define __AKANTU_MATERIAL_LINEAR_ISOTROPIC_HARDENING_HH__
__BEGIN_AKANTU__
/**
* Material plastic with a linear evolution of the yielding stress
*/
template
<
UInt
spatial_dimension
>
class
MaterialLinearIsotropicHardening
:
public
MaterialPlastic
<
spatial_dimension
>
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
MaterialLinearIsotropicHardening
(
SolidMechanicsModel
&
model
,
const
ID
&
id
=
""
);
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
/// constitutive law for all element of a type
virtual
void
computeStress
(
ElementType
el_type
,
GhostType
ghost_type
=
_not_ghost
);
/// compute the tangent stiffness matrix for an element type
void
computeTangentModuli
(
const
ElementType
&
el_type
,
Array
<
Real
>
&
tangent_matrix
,
GhostType
ghost_type
=
_not_ghost
);
protected
:
inline
void
computeStressOnQuad
(
const
Matrix
<
Real
>
&
grad_u
,
const
Matrix
<
Real
>
&
previous_grad_u
,
Matrix
<
Real
>
&
sigma
,
const
Matrix
<
Real
>
&
previous_sigma
,
Matrix
<
Real
>
&
inelas_strain
,
const
Matrix
<
Real
>
&
previous_inelas_strain
,
Real
&
iso_hardening
,
const
Real
&
previous_iso_hardening
,
const
Real
&
sigma_th
,
const
Real
&
previous_sigma_th
);
inline
void
computeTangentModuliOnQuad
(
Matrix
<
Real
>
&
tangent
,
const
Matrix
<
Real
>
&
grad_u
,
const
Matrix
<
Real
>
&
previous_grad_u
,
const
Matrix
<
Real
>
&
sigma_tensor
,
const
Matrix
<
Real
>
&
previous_sigma_tensor
,
const
Real
&
iso_hardening
)
const
;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private
:
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material_linear_isotropic_hardening_inline_impl.cc"
__END_AKANTU__
#endif
/* __AKANTU_MATERIAL_LINEAR_ISOTROPIC_HARDENING_HH__ */
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