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bind_py_material_linear_elastic_generic.cc
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bind_py_material_linear_elastic_generic.cc
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/**
* @file bind_py_material_linear_elastic_generic.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 20 Dec 2018
*
* @brief bindings for the generic linear elastic law defined by its stiffness
* tensor
*
* 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_elastic_generic1.hh"
#include "materials/material_linear_elastic_generic2.hh"
#include "cell/cell_base.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/eigen.h>
#include <sstream>
#include <string>
using namespace muSpectre; // NOLINT // TODO(junge): figure this out
namespace py = pybind11;
using namespace pybind11::literals; // NOLINT: recommended usage
/**
* python binding for the generic linear elastic material
*/
template <Dim_t Dim>
void add_material_linear_elastic_generic1_helper(py::module & mod) {
std::stringstream name_stream{};
name_stream << "MaterialLinearElasticGeneric1_" << Dim << "d";
const auto name{name_stream.str()};
using Mat_t = MaterialLinearElasticGeneric1<Dim, Dim>;
using Cell_t = CellBase<Dim, Dim>;
py::class_<Mat_t, MaterialBase<Dim, Dim>>(mod, name.c_str())
.def_static(
"make",
[](Cell_t & cell, std::string name,
const py::EigenDRef<
Eigen::Matrix<Real, Eigen::Dynamic, Eigen::Dynamic>> &
elastic_tensor) -> Mat_t & {
return Mat_t::make(cell, name, elastic_tensor);
},
"cell"_a, "name"_a, "elastic_tensor"_a,
py::return_value_policy::reference, py::keep_alive<1, 0>(),
"Factory function returning a MaterialLinearElastic instance. "
"The elastic tensor has to be specified in Voigt notation.")
.def("add_pixel",
[](Mat_t & mat, Ccoord_t<Dim> pix) { mat.add_pixel(pix); },
"pixel"_a,
"Register a new pixel to this material. subsequent evaluations of "
"the "
"stress and tangent in the cell will use this constitutive law for "
"this "
"particular pixel")
.def("size", &Mat_t::size);
}
/**
* python binding for the generic linear elastic material with eigenstcain
*/
template <Dim_t Dim>
void add_material_linear_elastic_generic2_helper(py::module & mod) {
std::stringstream name_stream{};
name_stream << "MaterialLinearElasticGeneric2_" << Dim << "d";
const auto name{name_stream.str()};
using Mat_t = MaterialLinearElasticGeneric2<Dim, Dim>;
using Cell_t = CellBase<Dim, Dim>;
py::class_<Mat_t, MaterialBase<Dim, Dim>>(mod, name.c_str())
.def_static(
"make",
[](Cell_t & cell, std::string name,
const py::EigenDRef<
Eigen::Matrix<Real, Eigen::Dynamic, Eigen::Dynamic>> &
elastic_tensor) -> Mat_t & {
return Mat_t::make(cell, name, elastic_tensor);
},
"cell"_a, "name"_a, "elastic_tensor"_a,
py::return_value_policy::reference, py::keep_alive<1, 0>(),
"Factory function returning a MaterialLinearElastic instance. "
"The elastic tensor has to be specified in Voigt notation.")
.def("add_pixel",
[](Mat_t & mat, Ccoord_t<Dim> pix) { mat.add_pixel(pix); },
"pixel"_a,
"Register a new pixel to this material. Subsequent evaluations of "
"the stress and tangent in the cell will use this constitutive law "
"for this particular pixel")
.def("add_pixel",
[](Mat_t & mat, Ccoord_t<Dim> pix,
py::EigenDRef<Eigen::ArrayXXd> & eig) {
Eigen::Matrix<Real, Dim, Dim> eig_strain{eig};
mat.add_pixel(pix, eig_strain);
},
"pixel"_a, "eigenstrain"_a,
"Register a new pixel to this material and assign the eigenstrain. "
"Subsequent Evaluations of the stress and tangent in the cell will "
"use this constitutive law for this particular pixel")
.def("size", &Mat_t::size);
}
template void add_material_linear_elastic_generic1_helper<twoD>(py::module &);
template void add_material_linear_elastic_generic1_helper<threeD>(py::module &);
template void add_material_linear_elastic_generic2_helper<twoD>(py::module &);
template void add_material_linear_elastic_generic2_helper<threeD>(py::module &);

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