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material_hyper_elastic.hh
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rMSPPROTO µSpectre prototype implementation
material_hyper_elastic.hh
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/**
* file material_hyper_elastic.hh
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 01 May 2017
*
* @brief Hyperelastic material law as used in Section 4 of
* de Geus et al. / Comput. Methods in Appl. Mech. Engrg.
* 318, (2017), 412–430 https://doi.org/10.1016/j.cma.2016.12.032
*
* @section LICENCE
*
* Copyright (C) 2017 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "material.hh"
namespace
muSpectre
{
template
<
Dim_t
spatial_dimension
,
Dim_t
material_dimension
>
class
MaterialHyperElastic
:
public
MaterialBase
<
spatial_dimension
,
material_dimension
>
{
public
:
using
parent
=
MaterialBase
<
spatial_dimension
,
material_dimension
>
;
using
SecondArray
=
typename
parent
::
SecondArray
;
using
FourthArray
=
typename
parent
::
FourthArray
;
//! Default constructor
MaterialHyperElastic
(
Real
Young
,
Real
Poisson
);
void
compute_First_Piola_Kirchhoff_stress
(
const
SecondArray
&
F
,
SecondArray
&
P
)
override
final
;
void
compute_tangent_moduli
(
const
SecondArray
&
F
,
FourthArray
&
K
)
override
final
;
protected
:
Real
Young
;
Real
Poisson
;
Real
lambda
;
Real
mu
;
private
:
};
}
// muSpectre
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