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model.cpp
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Thu, May 16, 12:12

model.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-19 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* 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 {
/* -------------------------------------------------------------------------- */
Model::Model(std::vector<Real> system_size, std::vector<UInt> discretization)
: system_size(std::move(system_size)),
discretization(std::move(discretization)) {}
/* -------------------------------------------------------------------------- */
Model::~Model() = default;
/* -------------------------------------------------------------------------- */
void Model::setElasticity(Real E, Real nu) {
this->E = E;
this->nu = nu;
updateOperators();
}
/* -------------------------------------------------------------------------- */
Real Model::getHertzModulus() const { return E / (1 - nu * nu); }
/* -------------------------------------------------------------------------- */
GridBase<Real>& Model::getTraction() { return getField("traction"); }
const GridBase<Real>& Model::getTraction() const {
return getField("traction");
}
/* -------------------------------------------------------------------------- */
GridBase<Real>& Model::getDisplacement() { return getField("displacement"); }
const GridBase<Real>& Model::getDisplacement() const {
return getField("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(getField("traction"), getField("displacement"));
}
void Model::solveDirichlet() {
engine->registerDirichlet();
engine->solveDirichlet(getField("displacement"), getField("traction"));
}
/* -------------------------------------------------------------------------- */
IntegralOperator* Model::getIntegralOperator(const std::string& name) {
return operators[name].get();
}
/* -------------------------------------------------------------------------- */
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 {
for (auto& dumper : dumpers)
if (dumper)
dumper->dump(*this);
}
/* -------------------------------------------------------------------------- */
void Model::registerField(const std::string& name,
std::shared_ptr<GridBase<Real>> field) {
fields[name] = std::move(field);
}
const GridBase<Real>& Model::getField(const std::string& name) const try {
return *fields.at(name);
} catch (std::out_of_range& e) {
Logger().get(LogLevel::warning)
<< "Field " << name << " not registered in model\n";
throw e;
}
GridBase<Real>& Model::getField(const std::string& name) try {
return *fields.at(name);
} catch (std::out_of_range& e) {
Logger().get(LogLevel::warning)
<< "Field " << name << " not registered in model\n";
throw e;
}
std::vector<std::string> Model::getFields() const {
std::vector<std::string> keys;
keys.reserve(fields.size());
std::transform(fields.begin(), fields.end(), std::back_inserter(keys),
[](auto&& pair) { return pair.first; });
return keys;
}
/* -------------------------------------------------------------------------- */
std::ostream& operator<<(std::ostream& o, const Model& _this) {
o << "Model<" << _this.getType() << "> (E = " << _this.getYoungModulus()
<< ", nu = " << _this.getPoissonRatio() << ")\n";
// Printing domain size
o << " - domain = [";
std::for_each(_this.getSystemSize().begin(), _this.getSystemSize().end() - 1,
[&o](const Real& x) { o << x << ", "; });
o << _this.getSystemSize().back() << "]\n";
// Printing discretization
o << " - discretization = [";
std::for_each(_this.getDiscretization().begin(),
_this.getDiscretization().end() - 1,
[&o](const UInt& x) { o << x << ", "; });
o << _this.getDiscretization().back() << "]";
return o;
}
/* -------------------------------------------------------------------------- */
} // namespace tamaas

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