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test_dof_manager.cc
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/**
* @file test_dof_manager.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Feb 26 2019
* @date last modification: Wed Nov 18 2020
*
* @brief test the dof managers
*
*
* @section LICENSE
*
* Copyright (©) 2018-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "test_gtest_utils.hh"
/* -------------------------------------------------------------------------- */
#include <dof_manager.hh>
#include <mesh_partition_scotch.hh>
#include <mesh_utils.hh>
/* -------------------------------------------------------------------------- */
#include <gtest/gtest.h>
#include <numeric>
#include <string>
#include <type_traits>
/* -------------------------------------------------------------------------- */
namespace akantu {
enum DOFManagerType { _dmt_default, _dmt_petsc };
}
AKANTU_ENUM_HASH(DOFManagerType)
using namespace akantu;
// defined as struct to get there names in gtest outputs
struct dof_manager_default_
: public std::integral_constant<DOFManagerType, _dmt_default> {};
struct dof_manager_petsc_
: public std::integral_constant<DOFManagerType, _dmt_petsc> {};
using dof_manager_types = ::testing::Types<
#ifdef AKANTU_USE_PETSC
dof_manager_petsc_,
#endif
dof_manager_default_>;
namespace std {
std::string to_string(const DOFManagerType & type) {
std::unordered_map<DOFManagerType, std::string> map{
#ifdef AKANTU_USE_PETSC
{_dmt_petsc, "petsc"},
#endif
{_dmt_default, "default"},
};
return map.at(type);
}
} // namespace std
/* -------------------------------------------------------------------------- */
using namespace akantu;
/* -------------------------------------------------------------------------- */
namespace akantu {
class DOFManagerTester {
public:
DOFManagerTester(std::unique_ptr<DOFManager> dof_manager)
: dof_manager(std::move(dof_manager)) {}
DOFManager & operator*() { return *dof_manager; }
DOFManager * operator->() { return dof_manager.get(); }
void getArrayPerDOFs(const ID & id, SolverVector & vector,
Array<Real> & array) {
dof_manager->getArrayPerDOFs(id, vector, array);
}
SolverVector & residual() { return *dof_manager->residual; }
private:
std::unique_ptr<DOFManager> dof_manager;
};
} // namespace akantu
template <class T> class DOFManagerFixture : public ::testing::Test {
public:
constexpr static DOFManagerType type = T::value;
constexpr static UInt dim = 3;
void SetUp() override {
mesh = std::make_unique<Mesh>(this->dim);
auto & communicator = Communicator::getStaticCommunicator();
if (communicator.whoAmI() == 0) {
mesh->read("mesh.msh");
}
mesh->distribute();
nb_nodes = this->mesh->getNbNodes();
nb_total_nodes = this->mesh->getNbGlobalNodes();
auto && range_nodes = arange(nb_nodes);
nb_pure_local =
std::accumulate(range_nodes.begin(), range_nodes.end(), 0,
[&](auto && init, auto && val) {
return init + mesh->isLocalOrMasterNode(val);
});
}
void TearDown() override {
mesh.reset();
dof1.reset();
dof2.reset();
}
decltype(auto) alloc() {
std::unordered_map<DOFManagerType, std::string> types{
{_dmt_default, "default"}, {_dmt_petsc, "petsc"}};
return DOFManagerTester(DOFManagerFactory::getInstance().allocate(
types[T::value], *mesh, "dof_manager"));
}
decltype(auto) registerDOFs(DOFSupportType dst1, DOFSupportType dst2) {
auto dof_manager = DOFManagerTester(this->alloc());
auto n1 = dst1 == _dst_nodal ? nb_nodes : nb_pure_local;
this->dof1 = std::make_unique<Array<Real>>(n1, 3);
dof_manager->registerDOFs("dofs1", *this->dof1, dst1);
EXPECT_EQ(dof_manager.residual().size(), nb_total_nodes * 3);
auto n2 = dst2 == _dst_nodal ? nb_nodes : nb_pure_local;
this->dof2 = std::make_unique<Array<Real>>(n2, 5);
dof_manager->registerDOFs("dofs2", *this->dof2, dst2);
EXPECT_EQ(dof_manager.residual().size(), nb_total_nodes * 8);
return dof_manager;
}
protected:
Int nb_nodes{0}, nb_total_nodes{0}, nb_pure_local{0};
std::unique_ptr<Mesh> mesh;
std::unique_ptr<Array<Real>> dof1;
std::unique_ptr<Array<Real>> dof2;
};
template <class T> constexpr DOFManagerType DOFManagerFixture<T>::type;
template <class T> constexpr UInt DOFManagerFixture<T>::dim;
TYPED_TEST_SUITE(DOFManagerFixture, dof_manager_types, );
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, Construction) {
auto dof_manager = this->alloc();
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, DoubleConstruction) {
auto dof_manager = this->alloc();
dof_manager = this->alloc();
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, RegisterGenericDOF1) {
auto dof_manager = this->alloc();
Array<Real> dofs(this->nb_pure_local, 3);
dof_manager->registerDOFs("dofs1", dofs, _dst_generic);
EXPECT_GE(dof_manager.residual().size(), this->nb_total_nodes * 3);
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, RegisterNodalDOF1) {
auto dof_manager = this->alloc();
Array<Real> dofs(this->nb_nodes, 3);
dof_manager->registerDOFs("dofs1", dofs, _dst_nodal);
EXPECT_GE(dof_manager.residual().size(), this->nb_total_nodes * 3);
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, RegisterGenericDOF2) {
this->registerDOFs(_dst_generic, _dst_generic);
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, RegisterNodalDOF2) {
this->registerDOFs(_dst_nodal, _dst_nodal);
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, RegisterMixedDOF) {
auto dof_manager = this->registerDOFs(_dst_nodal, _dst_generic);
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, AssembleVector) {
auto dof_manager = this->registerDOFs(_dst_nodal, _dst_generic);
dof_manager.residual().zero();
for (auto && data :
enumerate(make_view(*this->dof1, this->dof1->getNbComponent()))) {
auto n = std::get<0>(data);
auto & l = std::get<1>(data);
l.set(1. * this->mesh->isLocalOrMasterNode(n));
}
this->dof2->set(2.);
dof_manager->assembleToResidual("dofs1", *this->dof1);
dof_manager->assembleToResidual("dofs2", *this->dof2);
this->dof1->set(0.);
this->dof2->set(0.);
dof_manager.getArrayPerDOFs("dofs1", dof_manager.residual(), *this->dof1);
for (auto && data :
enumerate(make_view(*this->dof1, this->dof1->getNbComponent()))) {
if (this->mesh->isLocalOrMasterNode(std::get<0>(data))) {
const auto & l = std::get<1>(data);
auto e = (l - Vector<Real>{1., 1., 1.}).norm();
ASSERT_EQ(e, 0.);
}
}
dof_manager.getArrayPerDOFs("dofs2", dof_manager.residual(), *this->dof2);
for (auto && l : make_view(*this->dof2, this->dof2->getNbComponent())) {
auto e = (l - Vector<Real>{2., 2., 2., 2., 2.}).norm();
ASSERT_EQ(e, 0.);
}
}
/* -------------------------------------------------------------------------- */
TYPED_TEST(DOFManagerFixture, AssembleMatrixNodal) {
auto dof_manager = this->registerDOFs(_dst_nodal, _dst_nodal);
auto && K = dof_manager->getNewMatrix("K", _symmetric);
K.zero();
auto && elemental_matrix = std::make_unique<Array<Real>>(
this->mesh->getNbElement(this->dim), 8 * 3 * 8 * 3);
for (auto && m : make_view(*elemental_matrix, 8 * 3, 8 * 3)) {
m.set(1.);
}
dof_manager->assembleElementalMatricesToMatrix(
"K", "dofs1", *elemental_matrix, _hexahedron_8);
elemental_matrix = std::make_unique<Array<Real>>(
this->mesh->getNbElement(this->dim), 8 * 5 * 8 * 5);
for (auto && m : make_view(*elemental_matrix, 8 * 5, 8 * 5)) {
m.set(1.);
}
dof_manager->assembleElementalMatricesToMatrix(
"K", "dofs2", *elemental_matrix, _hexahedron_8);
CSR<Element> node_to_elem;
MeshUtils::buildNode2Elements(*this->mesh, node_to_elem, this->dim);
dof_manager.residual().zero();
for (auto && data :
enumerate(zip(make_view(*this->dof1, this->dof1->getNbComponent()),
make_view(*this->dof2, this->dof2->getNbComponent())))) {
auto n = std::get<0>(data);
auto & l1 = std::get<0>(std::get<1>(data));
auto & l2 = std::get<1>(std::get<1>(data));
auto v = 1. * this->mesh->isLocalOrMasterNode(n);
l1.set(v);
l2.set(v);
}
dof_manager->assembleToResidual("dofs1", *this->dof1);
dof_manager->assembleToResidual("dofs2", *this->dof2);
for (auto && n : arange(this->nb_nodes)) {
if (not this->mesh->isLocalOrMasterNode(n)) {
}
}
}
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