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muSpectre/src/materials/material_hyper_elastic1.cc
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material_hyper_elastic1.cc
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/**
* file material_hyper_elastic1.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 14 Nov 2017
*
* @brief Implementation for materialhyperelastic1
*
* @section LICENCE
*
* Copyright © 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 "materials/material_hyper_elastic1.hh"
#include "common/tensor_algebra.hh"
#include <tuple>
namespace muSpectre {
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
MaterialHyperElastic1<DimS, DimM>::MaterialHyperElastic1(std::string name,
Real young,
Real poisson)
:Parent(name), young{young}, poisson{poisson},
lambda{young*poisson/((1+poisson)*(1-2*poisson))},
mu{young/(2*(1+poisson))},
C{lambda*Tensors::outer<DimM>(Tensors::I2<DimM>(),Tensors::I2<DimM>()) +
2*mu*Tensors::I4S<DimM>()}
{}
template class MaterialHyperElastic1<twoD, twoD>;
template class MaterialHyperElastic1<twoD, threeD>;
template class MaterialHyperElastic1<threeD, threeD>;
} // muSpectre
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