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tamaas/src/solvers/contact_solver.cpp
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contact_solver.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 "contact_solver.hh"
#include "logger.hh"
#include <iomanip>
#include <iostream>
/* -------------------------------------------------------------------------- */
namespace tamaas {
ContactSolver::ContactSolver(Model& model, const GridBase<Real>& surface,
Real tolerance)
: model(model), tolerance(tolerance),
surface_stddev(std::sqrt(surface.var())) {
auto discretization = model.getBoundaryDiscretization();
auto n_points = model.getTraction().getNbPoints();
TAMAAS_ASSERT(n_points == surface.dataSize(),
"model size and surface size do not match");
this->surface.wrap(surface);
_gap = allocateGrid<true, Real>(model.getType(), discretization);
model["gap"] = _gap;
}
/* -------------------------------------------------------------------------- */
void ContactSolver::printState(UInt iter, Real cost_f, Real error) const {
if (iter % dump_frequency)
return;
logIteration(iter, cost_f, error);
}
/* -------------------------------------------------------------------------- */
void ContactSolver::logIteration(UInt iter, Real cost_f, Real error) const {
Logger().get(LogLevel::info)
<< std::setw(5) << iter << " " << std::setw(15) << std::scientific
<< cost_f << " " << std::setw(15) << error << "\n"
<< std::fixed;
}
/* -------------------------------------------------------------------------- */
void ContactSolver::addFunctionalTerm(
std::shared_ptr<functional::Functional> func) {
functional.addFunctionalTerm(std::move(func));
}
/* -------------------------------------------------------------------------- */
void ContactSolver::setFunctional(
std::shared_ptr<functional::Functional> func) {
functional.clear();
addFunctionalTerm(std::move(func));
}
} // namespace tamaas
/* -------------------------------------------------------------------------- */
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