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model.cpp
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Fri, Nov 8, 16:43

model.cpp
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2024 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2024 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.hh"
#include "be_engine.hh"
#include "logger.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
void Model::setElasticity(Real E_, Real nu_) {
setYoungModulus(E_);
setPoissonRatio(nu_);
}
/* -------------------------------------------------------------------------- */
void Model::applyElasticity(GridBase<Real>& stress,
const GridBase<Real>& strain) const {
operators.at("hooke")->apply(const_cast<GridBase<Real>&>(strain), stress);
}
/* -------------------------------------------------------------------------- */
GridBase<Real>& Model::getTraction() { return this->field<Real>("traction"); }
const GridBase<Real>& Model::getTraction() const {
return this->field<Real>("traction");
}
/* -------------------------------------------------------------------------- */
GridBase<Real>& Model::getDisplacement() {
return this->field<Real>("displacement");
}
const GridBase<Real>& Model::getDisplacement() const {
return this->field<Real>("displacement");
}
/* -------------------------------------------------------------------------- */
const std::vector<Real>& Model::getSystemSize() const { return system_size; }
/* -------------------------------------------------------------------------- */
const std::vector<UInt>& Model::getDiscretization() const {
return discretization;
}
/* -------------------------------------------------------------------------- */
void Model::solveNeumann() {
engine->registerNeumann();
engine->solveNeumann(getTraction(), getDisplacement());
}
void Model::solveDirichlet() {
engine->registerDirichlet();
engine->solveDirichlet(getDisplacement(), getTraction());
}
/* -------------------------------------------------------------------------- */
void Model::registerIntegralOperator(const std::string& name,
std::shared_ptr<IntegralOperator> op) {
operators[name] = std::move(op);
}
/* -------------------------------------------------------------------------- */
std::shared_ptr<IntegralOperator>
Model::getIntegralOperator(const std::string& name) const {
return operators.at(name);
}
/* -------------------------------------------------------------------------- */
std::vector<std::string> Model::getIntegralOperators() const {
std::vector<std::string> keys;
keys.reserve(operators.size());
std::transform(operators.begin(), operators.end(), std::back_inserter(keys),
[](auto&& pair) { return pair.first; });
return keys;
}
/* -------------------------------------------------------------------------- */
void Model::updateOperators() {
for (auto& op : operators)
op.second->updateFromModel();
}
/* -------------------------------------------------------------------------- */
void Model::addDumper(std::shared_ptr<ModelDumper> dumper) {
this->dumpers.push_back(std::move(dumper));
}
void Model::dump() const {
if (dumpers.empty())
Logger().get(LogLevel::warning) << "dumper list is empty\n";
for (const auto& dumper : dumpers)
if (dumper)
dumper->dump(*this);
}
/* -------------------------------------------------------------------------- */
std::vector<std::string> Model::getBoundaryFields() const {
std::vector<std::string> boundary_fields;
for (auto&& pair : this->fields_map()) {
const auto boundary = boost::apply_visitor(
[&](auto&& grid_ptr) { return this->isBoundaryField(*grid_ptr); },
pair.second);
if (boundary)
boundary_fields.push_back(pair.first);
}
return boundary_fields;
}
/* -------------------------------------------------------------------------- */
std::ostream& operator<<(std::ostream& o, const Model& _this) {
o << "Model<" << _this.getType() << "> (E = " << _this.getYoungModulus()
<< ", nu = " << _this.getPoissonRatio() << ")\n";
auto out_collec = [&o](auto&& collec) {
std::for_each(collec.begin(), collec.end() - 1,
[&o](const auto& x) { o << x << ", "; });
o << collec.back();
};
// Printing domain size
o << " - domain = [";
out_collec(_this.getSystemSize());
o << "]\n";
// Printing discretization
o << " - discretization = [";
out_collec(_this.getDiscretization());
o << "]\n";
if (mpi::size() > 1) {
o << " - global discretization = [";
out_collec(_this.getGlobalDiscretization());
o << "]\n";
}
// Print fields
o << " - registered fields = [";
out_collec(_this.fields());
o << "]\n";
o << " - registered operators = [";
out_collec(_this.getIntegralOperators());
o << "]";
if (not _this.dumpers.empty())
o << "\n - " << _this.dumpers.size() << " registered dumpers";
return o;
}
/* --------------------------------------------------------------------------
*/
} // namespace tamaas

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