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bind_py_material_linear_elastic2.cc
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bind_py_material_linear_elastic2.cc
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/**
* @file bind_py_material_linear_elastic2.cc
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 29 Oct 2018
*
* @brief python bindings for MaterialLinearElastic2
*
* 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 µSpectre; 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_linear_elastic2.hh"
#include "cell/cell_base.hh"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/eigen.h>
#include <sstream>
#include <string>
using muSpectre::Dim_t;
using muSpectre::Real;
namespace py = pybind11;
using pybind11::literals::operator""_a;
/**
* python binding for the optionally objective form of Hooke's law
* with a per pixel eigenstrain
*/
template <Dim_t dim>
void add_material_linear_elastic2_helper(py::module & mod) {
std::stringstream name_stream{};
name_stream << "MaterialLinearElastic2_" << dim << 'd';
const auto name{name_stream.str()};
using Mat_t = muSpectre::MaterialLinearElastic2<dim, dim>;
using Sys_t = muSpectre::CellBase<dim, dim>;
py::class_<Mat_t, muSpectre::MaterialBase<dim, dim>, std::shared_ptr<Mat_t>>(
mod, name.c_str())
.def_static("make",
[](Sys_t & sys, std::string n, Real e, Real p) -> Mat_t & {
return Mat_t::make(sys, n, e, p);
},
"cell"_a, "name"_a, "Young"_a, "Poisson"_a,
py::return_value_policy::reference, py::keep_alive<1, 0>())
.def("add_pixel",
[](Mat_t & mat, muSpectre::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)
.def_static("make_evaluator",
[](Real e, Real p) {
return Mat_t::make_evaluator(e, p);
},
"Young"_a, "Poisson"_a);
}
template void
add_material_linear_elastic2_helper<muSpectre::twoD>(py::module &);
template void
add_material_linear_elastic2_helper<muSpectre::threeD>(py::module &);

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