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muSpectre/src/common/voigt_conversion.cc
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voigt_conversion.cc
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/**
* @file voigt_conversion.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 04 May 2017
*
* @brief specializations for static members of voigt converter
*
* 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 "common/voigt_conversion.hh"
namespace muSpectre {
//! voigt vector indices for non-symmetric tensors
template<> const Eigen::Matrix<Dim_t, 1, 1> VoigtConversion<1>::mat = (Eigen::Matrix<Dim_t, 1, 1>()<<
0).finished();
//! voigt vector indices for non-symmetric tensors
template<> const Eigen::Matrix<Dim_t, 2, 2> VoigtConversion<2>::mat = (Eigen::Matrix<Dim_t, 2, 2>()<<
0, 2,
3, 1).finished();
//! voigt vector indices for non-symmetric tensors
template<> const Eigen::Matrix<Dim_t, 3, 3> VoigtConversion<3>::mat = (Eigen::Matrix<Dim_t, 3, 3>()<<
0, 5, 4,
8, 1, 3,
7, 6, 2).finished();
//! voigt vector indices
template<> const Eigen::Matrix<Dim_t, 1, 1> VoigtConversion<1>::sym_mat = (Eigen::Matrix<Dim_t, 1, 1>()<<
0).finished();
//! voigt vector indices
template<> const Eigen::Matrix<Dim_t, 2, 2> VoigtConversion<2>::sym_mat = (Eigen::Matrix<Dim_t, 2, 2>()<<
0, 2,
2, 1).finished();
//! voigt vector indices
template<> const Eigen::Matrix<Dim_t, 3, 3> VoigtConversion<3>::sym_mat = (Eigen::Matrix<Dim_t, 3, 3>()<<
0, 5, 4,
5, 1, 3,
4, 3, 2).finished();
//! matrix indices from voigt vectors
template<> const Eigen::Matrix<Dim_t, 1*1, 2> VoigtConversion<1>::vec = (Eigen::Matrix<Dim_t, 1*1, 2>() <<
0, 0).finished();
//! matrix indices from voigt vectors
template<> const Eigen::Matrix<Dim_t, 2*2, 2> VoigtConversion<2>::vec = (Eigen::Matrix<Dim_t, 2*2, 2>() <<
0, 0,
1, 1,
0, 1,
1, 0).finished();
//! matrix indices from voigt vectors
template<> const Eigen::Matrix<Dim_t, 3*3, 2> VoigtConversion<3>::vec = (Eigen::Matrix<Dim_t, 3*3, 2>() <<
0, 0,
1, 1,
2, 2,
1, 2,
0, 2,
0, 1,
2, 1,
2, 0,
1, 0).finished();
//! factors for shear components in voigt notation
template<> const Eigen::Matrix<Real, vsize(1), 1> VoigtConversion<1>::factors = (Eigen::Matrix<Real, vsize(1), 1>() <<
1).finished();
//! factors for shear components in voigt notation
template<> const Eigen::Matrix<Real, vsize(2), 1> VoigtConversion<2>::factors = (Eigen::Matrix<Real, vsize(2), 1>() <<
1, 1, 2).finished();
//! factors for shear components in voigt notation
template<> const Eigen::Matrix<Real, vsize(3), 1> VoigtConversion<3>::factors = (Eigen::Matrix<Real, vsize(3), 1>() <<
1, 1, 1, 2, 2, 2).finished();
} // muSpectre
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