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bind_py_material.cc
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/**
* file bind_py_material.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 09 Jan 2018
*
* @brief python bindings for µSpectre's materials
*
* @section LICENSE
*
* Copyright © 2018 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/common.hh"
#include "materials/material_hyper_elastic1.hh"
#include "system/system_base.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <sstream>
#include <string>
using namespace muSpectre;
namespace py = pybind11;
using namespace pybind11::literals;
/**
* python binding for the optionally objective form of Hooke's law
*/
template <Dim_t dim>
void add_material_hyper_elastic_helper(py::module & mod) {
std::stringstream name_stream{};
name_stream << "MaterialHooke" << dim << 'd';
const auto name {name_stream.str()};
using Mat_t = MaterialHyperElastic1<dim, dim>;
using Sys_t = SystemBase<dim, dim>;
py::class_<Mat_t>(mod, name.c_str())
.def(py::init<std::string, Real, Real>(), "name"_a, "Young"_a, "Poisson"_a)
.def_static("make",
[](Sys_t & sys, std::string n, Real e, Real p) -> Mat_t & {
return Mat_t::make(sys, n, e, p);
},
"system"_a, "name"_a, "Young"_a, "Poisson"_a,
py::return_value_policy::reference, py::keep_alive<1, 0>())
.def("add_pixel",
[] (Mat_t & mat, Ccoord_t<dim> pix) {
mat.add_pixel(pix);},
"pixel"_a)
.def("size", &Mat_t::size);
}
template <Dim_t dim>
void add_material_helper(py::module & mod) {
add_material_hyper_elastic_helper<dim>(mod);
}
void add_material(py::module & mod) {
auto material{mod.def_submodule("material")};
material.doc() = "bindings for constitutive laws";
add_material_helper<twoD >(material);
add_material_helper<threeD>(material);
}

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