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elastic_functional.hh
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/**
* @file
* LICENSE
*
* Copyright (©) 2016-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef ELASTIC_FUNCTIONAL_HH
#define ELASTIC_FUNCTIONAL_HH
/* -------------------------------------------------------------------------- */
#include "functional.hh"
#include "model.hh"
#include "tamaas.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
namespace functional {
/// Generic functional for elastic energy
class ElasticFunctional : public Functional {
public:
ElasticFunctional(const IntegralOperator& op, const GridBase<Real>& surface)
: Functional(), op(op), surface(surface) {
const Model& model = op.getModel();
buffer = allocateGrid<true, Real>(op.getType(),
model.getBoundaryDiscretization());
}
protected:
const IntegralOperator& op;
const GridBase<Real>& surface;
std::unique_ptr<GridBase<Real>> mutable buffer;
};
/* -------------------------------------------------------------------------- */
/// Functional with pressure as primal field
class ElasticFunctionalPressure : public ElasticFunctional {
public:
using ElasticFunctional::ElasticFunctional;
/// Compute functional with input pressure
Real computeF(GridBase<Real>& pressure, GridBase<Real>& dual) const override;
/// Compute functional gradient with input pressure
void computeGradF(GridBase<Real>& pressure,
GridBase<Real>& gradient) const override;
};
/* -------------------------------------------------------------------------- */
/// Functional with gap as primal field
class ElasticFunctionalGap : public ElasticFunctional {
public:
using ElasticFunctional::ElasticFunctional;
/// Compute functional with input gap
Real computeF(GridBase<Real>& gap, GridBase<Real>& dual) const override;
/// Compute functional gradient with input gap
void computeGradF(GridBase<Real>& gap,
GridBase<Real>& gradient) const override;
};
} // namespace functional
} // namespace tamaas
/* -------------------------------------------------------------------------- */
#endif // ELASTIC_FUNCTIONAL_HH

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