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tamaas/src/solvers/contact_solver.hh
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contact_solver.hh
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2022 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2022 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef CONTACT_SOLVER_HH
#define CONTACT_SOLVER_HH
/* -------------------------------------------------------------------------- */
#include "meta_functional.hh"
#include "model.hh"
#include "tamaas.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
class ContactSolver {
public:
/// Constructor
ContactSolver(Model& model, const GridBase<Real>& surface, Real tolerance);
/// Destructor
virtual ~ContactSolver() = default;
public:
/// Print state of solve
virtual void printState(UInt iter, Real cost_f, Real error) const;
/// Log iteration info
virtual void logIteration(UInt iter, Real cost_f, Real error) const;
/// Get maximum number of iterations
auto getMaxIterations() const { return max_iterations; }
/// Set maximum number of iterations
void setMaxIterations(UInt n) { max_iterations = n; }
/// Get dump_frequency
auto getDumpFrequency() const { return dump_frequency; }
/// Set dump_frequency
void setDumpFrequency(UInt n) { dump_frequency = n; }
/// Add term to functional
void addFunctionalTerm(std::shared_ptr<functional::Functional> func);
/// Returns functional object
const functional::Functional& getFunctional() const { return functional; }
// Virtual functions
public:
/// Solve for a mean traction vector
virtual Real solve(std::vector<Real> /*load*/) {
TAMAAS_EXCEPTION("solve() not implemented");
}
/// Solve for normal pressure
virtual Real solve(Real load) { return solve(std::vector<Real>{load}); }
/// Accessor for tolerance
TAMAAS_ACCESSOR(tolerance, Real, Tolerance);
public:
GridBase<Real>& getSurface() { return surface; }
Model& getModel() { return model; }
protected:
Model& model;
GridBase<Real> surface;
std::shared_ptr<GridBase<Real>> _gap = nullptr;
functional::MetaFunctional functional;
Real tolerance;
UInt max_iterations = 1000;
Real surface_stddev;
UInt dump_frequency = 100;
};
} // namespace tamaas
/* -------------------------------------------------------------------------- */
#endif // CONTACT_SOLVER_HH
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