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model_factory.cpp
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model_factory.cpp
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2023 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2023 Lucas Frérot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "model_factory.hh"
#include "materials/isotropic_hardening.hh"
#include "model_template.hh"
#include <functional>
/* -------------------------------------------------------------------------- */
namespace tamaas {
template <typename Abstract, template <model_type> class Concrete,
class... Args>
decltype(auto) createFromModelType(model_type type, Args&&... args) {
using namespace std::placeholders;
return model_type_dispatch(
std::bind(
[](auto&& _, Args&&... args) -> std::unique_ptr<Abstract> {
constexpr auto type = std::decay_t<decltype(_)>::value;
return std::make_unique<Concrete<type>>(
std::forward<Args>(args)...);
},
_1, std::forward<Args>(args)...),
type);
}
std::unique_ptr<Model>
ModelFactory::createModel(model_type type, const std::vector<Real>& system_size,
const std::vector<UInt>& discretization) {
auto model = createFromModelType<Model, ModelTemplate>(type, system_size,
discretization);
const auto& shape = model->getDiscretization();
if (std::any_of(std::begin(shape), std::end(shape),
[](auto&& v) { return v == 0; }))
TAMAAS_EXCEPTION("FFT data partition gave no data on ["
<< mpi::rank() << "|" << mpi::size() << "]");
return model;
}
std::unique_ptr<Model> ModelFactory::createModel(const Model& model) {
auto copy = createModel(model.getType(), model.getSystemSize(),
model.getGlobalDiscretization());
copy->setElasticity(model.getYoungModulus(), model.getPoissonRatio());
// Register and copy all fields
for (auto&& pair : model.fields_map()) {
boost::apply_visitor(
[&copy, &pair](auto&& grid_ptr) {
auto&& grid = *grid_ptr;
dimension_dispatch(
[&copy, &grid, &pair](auto&& _) {
using T = typename std::decay_t<decltype(grid)>::value_type;
constexpr UInt dim = std::decay_t<decltype(_)>::value;
const auto* ptr = dynamic_cast<const Grid<T, dim>*>(&grid);
if (ptr != nullptr) {
auto new_f = std::make_unique<Grid<T, dim>>(
ptr->sizes(), ptr->getNbComponents());
*new_f = *ptr;
(*copy)[pair.first] = std::move(new_f);
}
},
grid.getDimension());
},
pair.second);
}
// TODO: Registrer and copy integral operators
return copy;
}
std::unique_ptr<Residual>
ModelFactory::createResidual(Model& model, Real sigma_y, Real hardening) {
if (model.getType() != model_type::volume_2d)
TAMAAS_EXCEPTION("Cannot instanciate model: " << model);
// Make elastic-plastic material
auto mat = std::make_unique<IsotropicHardening>(&model, sigma_y, hardening);
return std::make_unique<Residual>(model, std::move(mat));
}
void ModelFactory::registerVolumeOperators(Model& m) {
if (m.getType() != model_type::volume_2d)
TAMAAS_EXCEPTION("Registering volume operators not supported on "
<< m.getType());
constexpr auto type = model_type::volume_2d;
m.registerIntegralOperator<Mindlin<type, 2>>("mindlin_gradient");
m.registerIntegralOperator<Boussinesq<type, 1>>("boussinesq_gradient");
m.registerIntegralOperator<Mindlin<type, 1>>("mindlin");
m.registerIntegralOperator<Boussinesq<type, 0>>("boussinesq");
}
void ModelFactory::setIntegrationMethod(IntegralOperator& op,
integration_method method,
Real cutoff) {
#define CAST(derivative) \
do { \
auto* casted = \
dynamic_cast<Kelvin<model_type::volume_2d, derivative>*>(&op); \
if (casted != nullptr) { \
casted->setIntegrationMethod(method, cutoff); \
return; \
} \
} while (0)
CAST(0);
CAST(1);
CAST(2);
#undef CAST
}
} // namespace tamaas

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