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test_material_hyper_elastic1.cc
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test_material_hyper_elastic1.cc
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/**
* file test_material_hyper_elastic1.cc
*
* @author Till Junge <till.junge@epfl.ch>
*
* @date 28 Nov 2017
*
* @brief Tests for the large-strain, objective Hooke's law, implemented in
* the convenient strategy (i.e., using MaterialMuSpectre)
*
* @section LICENCE
*
* Copyright (C) 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 <boost/mpl/list.hpp>
#include "materials/material_hyper_elastic1.hh"
#include "tests.hh"
#include "common/test_goodies.hh"
#include "common/field_collection.hh"
namespace muSpectre {
BOOST_AUTO_TEST_SUITE(material_hyper_elastic_1);
template <Dim_t DimS, Dim_t DimM>
struct MaterialFixture
{
using Mat_t = MaterialHyperElastic1<DimS, DimM>;
constexpr static Real lambda{2}, mu{1.5};
MaterialFixture():mat("Name", lambda, mu){};
constexpr static Dim_t sdim{DimS};
constexpr static Dim_t mdim{DimM};
Mat_t mat;
};
using mat_list = boost::mpl::list<MaterialFixture<twoD, twoD>,
MaterialFixture<twoD, threeD>,
MaterialFixture<threeD, threeD>>;
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_constructor, Fix, mat_list, Fix) {
BOOST_CHECK_EQUAL("Name", Fix::mat.get_name());
auto & mat{Fix::mat};
auto sdim{Fix::sdim};
auto mdim{Fix::mdim};
BOOST_CHECK_EQUAL(sdim, mat.sdim());
BOOST_CHECK_EQUAL(mdim, mat.mdim());
}
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_add_pixel, Fix, mat_list, Fix) {
auto & mat{Fix::mat};
constexpr Dim_t sdim{Fix::sdim};
testGoodies::RandRange<size_t> rng;;
const Dim_t nb_pixel{7}, box_size{17};
using Ccoord = Ccoord_t<sdim>;
for (Dim_t i = 0; i < nb_pixel; ++i) {
Ccoord c;
for (Dim_t j = 0; j < sdim; ++j) {
c[j] = rng.randval(0, box_size);
}
BOOST_CHECK_NO_THROW(mat.add_pixel(c));
}
BOOST_CHECK_NO_THROW(mat.initialise());
}
template <Dim_t DimS, Dim_t DimM>
struct MaterialFixtureFilled: public MaterialFixture<DimS, DimM>
{
using Mat_t = typename MaterialFixture<DimS, DimM>::Mat_t;
constexpr static Dim_t box_size{3};
MaterialFixtureFilled():MaterialFixture<DimS, DimM>(){
using Ccoord = Ccoord_t<DimS>;
Ccoord cube{CcoordOps::get_cube<DimS>(box_size)};
CcoordOps::Pixels<DimS> pixels(cube);
for (auto pixel: pixels) {
this->mat.add_pixel(pixel);
}
this->mat.initialise();
};
};
using mat_fill = boost::mpl::list<MaterialFixtureFilled<twoD, twoD>,
MaterialFixtureFilled<twoD, threeD>,
MaterialFixtureFilled<threeD, threeD>>;
BOOST_FIXTURE_TEST_CASE_TEMPLATE(test_evaluale_law, Fix, mat_fill, Fix) {
constexpr auto cube{CcoordOps::get_cube<Fix::sdim>(Fix::box_size)};
using FC_t = FieldCollection<Fix::sdim, Fix::mdim>;
FC_t globalfields;
auto & grad_field = make_field<typename Fix::Mat_t::StrainField_t>
("Transformation Gradient", globalfields);
auto & P1 = make_field<typename Fix::Mat_t::StressField_t>
("Nominal Stress1", globalfields); // to be computed alone
auto & P2 = make_field<typename Fix::Mat_t::StressField_t>
("Nominal Stress2", globalfields); // to be computed with tangent
auto & K = make_field<typename Fix::Mat_t::TangentField_t>
("Tangent Moduli", globalfields); // to be computed with tangent
auto & Pref = make_field<typename Fix::Mat_t::StressField_t>
("Nominal Stress reference", globalfields);
auto & Kref = make_field<typename Fix::Mat_t::TangentField_t>
("Tangent Moduli reference", globalfields); // to be computed with tangent
globalfields.initialise(cube);
typename Fix::Mat_t::StressMap_t grad_map(grad_field);
for (auto F: typename Fix::Mat_t::StressMap_t(grad_field)) {
F.setRandom();
}
grad_map[0] = grad_map[0].Identity();
grad_map[1] = 1.2*grad_map[1].Identity();
size_t counter{0};
for (auto F: grad_map) {
std::cout << "F(" << counter++ << ")" << std::endl << F << std::endl;
}
}
BOOST_AUTO_TEST_SUITE_END();
} // muSpectre

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