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material_linear_elastic3.cc
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material_linear_elastic3.cc
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/**
* @file material_linear_elastic3.cc
*
* @author Richard Leute <richard.leute@imtek.uni-freiburg.de
*
* @date 20 Feb 2018
*
* @brief implementation for linear elastic material with distribution of
* stiffness properties. Uses the MaterialMuSpectre facilities to keep it
* simple.
*
* Copyright © 2018 Till Junge
*
* µSpectre 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, 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 Lesser General Public License
* along with µSpectre; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* * Boston, MA 02111-1307, USA.
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining it
* with proprietary FFT implementations or numerical libraries, containing parts
* covered by the terms of those libraries' licenses, the licensors of this
* Program grant you additional permission to convey the resulting work.
*/
#include "materials/material_linear_elastic3.hh"
namespace muSpectre {
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
MaterialLinearElastic3<DimS, DimM>::MaterialLinearElastic3(std::string name)
: Parent{name}, C_field{make_field<Field_t>("local stiffness tensor",
this->internal_fields)},
internal_variables(C_field.get_const_map()) {}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
void MaterialLinearElastic3<DimS, DimM>::add_pixel(
const Ccoord_t<DimS> & /*pixel*/) {
throw std::runtime_error(
"this material needs pixels with Youngs modulus and Poisson ratio.");
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
void MaterialLinearElastic3<DimS, DimM>::add_pixel(
const Ccoord_t<DimS> &pixel, const Real &Young, const Real &Poisson) {
this->internal_fields.add_pixel(pixel);
Real lambda = Hooke::compute_lambda(Young, Poisson);
Real mu = Hooke::compute_mu(Young, Poisson);
auto C_tensor = Hooke::compute_C(lambda, mu);
Eigen::Map<const Eigen::Array<Real, DimM * DimM * DimM * DimM, 1>> C(
C_tensor.data());
this->C_field.push_back(C);
}
template class MaterialLinearElastic3<twoD, twoD>;
template class MaterialLinearElastic3<twoD, threeD>;
template class MaterialLinearElastic3<threeD, threeD>;
} // namespace muSpectre

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