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test_elastic_materials.cc
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Wed, May 22, 02:57

test_elastic_materials.cc
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/* -------------------------------------------------------------------------- */
#include "material_elastic.hh"
#include "material_elastic_orthotropic.hh"
#include "solid_mechanics_model.hh"
#include "test_material_fixtures.hh"
#include <gtest/gtest.h>
#include <type_traits>
/* -------------------------------------------------------------------------- */
using namespace akantu;
using types = ::testing::Types<
Traits<MaterialElastic, 1>, Traits<MaterialElastic, 2>,
Traits<MaterialElastic, 3>,
Traits<MaterialElasticOrthotropic, 1>,
Traits<MaterialElasticOrthotropic, 2>,
Traits<MaterialElasticOrthotropic, 3>,
Traits<MaterialElasticLinearAnisotropic, 1>,
Traits<MaterialElasticLinearAnisotropic, 2>,
Traits<MaterialElasticLinearAnisotropic, 3>>;
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<3>>::testComputeStress() {
Real E = 1.;
Real nu = .3;
setParam("E", E);
setParam("nu", nu);
setParam("rho", nu);
Matrix<Real> rotation_matrix = getRandomRotation3d();
auto grad_u = this->getDeviatoricStrain(1.);
auto grad_u_rot = this->applyRotation(grad_u, rotation_matrix);
Matrix<Real> sigma_rot(3, 3);
this->computeStressOnQuad(grad_u_rot, sigma_rot, 0.);
auto sigma = this->reverseRotation(sigma_rot, rotation_matrix);
Matrix<Real> sigma_expected =
0.5 * E / (1 + nu) * (grad_u + grad_u.transpose());
auto diff = sigma - sigma_expected;
Real stress_error = diff.norm<L_inf>();
ASSERT_NEAR(stress_error, 0., 1e-14);
}
/*****************************************************************/
template <>
void FriendMaterial<MaterialElastic<3>>::testComputeTangentModuli() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<3>>::testEnergyDensity() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<2>>::testComputeStress() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <>
void FriendMaterial<MaterialElastic<2>>::testComputeTangentModuli() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<2>>::testEnergyDensity() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<1>>::testComputeStress() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <>
void FriendMaterial<MaterialElastic<1>>::testComputeTangentModuli() {
TO_IMPLEMENT;
}
/*****************************************************************/
template <> void FriendMaterial<MaterialElastic<1>>::testEnergyDensity() {
TO_IMPLEMENT;
}
/*****************************************************************/
namespace {
template <typename T>
class TestElasticMaterialFixture : public ::TestMaterialFixture<T> {};
TYPED_TEST_CASE(TestElasticMaterialFixture, types);
TYPED_TEST(TestElasticMaterialFixture, ElasticComputeStress) {
this->material->testComputeStress();
}
TYPED_TEST(TestElasticMaterialFixture, ElasticEnergyDensity) {
this->material->testEnergyDensity();
}
TYPED_TEST(TestElasticMaterialFixture, ElasticComputeTangentModuli) {
this->material->testComputeTangentModuli();
}
TYPED_TEST(TestElasticMaterialFixture, ElasticComputePushWaveSpeed) {
this->material->testPushWaveSpeed();
}
TYPED_TEST(TestElasticMaterialFixture, ElasticComputeShearWaveSpeed) {
this->material->testShearWaveSpeed();
}
}
/*****************************************************************/

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