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tamaas/src/model/mindlin.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)
*
* 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 MINDLIN_HH
#define MINDLIN_HH
/* -------------------------------------------------------------------------- */
#include "grid_hermitian.hh"
#include "kelvin.hh"
#include "model_type.hh"
#include "volume_potential.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
/**
* @brief Mindlin tensor
*/
template <model_type type, UInt derivative>
class Mindlin : public Kelvin<type, derivative> {
static_assert(type == model_type::volume_1d || type == model_type::volume_2d,
"Only volume types are supported");
using trait = model_type_traits<type>;
using parent = Kelvin<type, derivative>;
using filter_t = typename parent::filter_t;
public:
/// Constructor
Mindlin(Model* model);
/// Apply the Mindlin-tensor_order operator
void applyIf(GridBase<Real>& source, GridBase<Real>& out,
filter_t pred) const override;
protected:
void linearIntegral(GridBase<Real>& out) const;
void cutoffIntegral(GridBase<Real>& out) const;
protected:
mutable GridHermitian<Real, trait::boundary_dimension> surface_tractions;
};
} // namespace tamaas
#endif // MINDLIN_HH
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