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boussinesq.cpp
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Thu, May 2, 09:44

boussinesq.cpp
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "boussinesq.hh"
#include "boussinesq_helper.hh"
#include "influence.hh"
#include "model.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
template <>
Boussinesq<model_type::volume_2d, 0>::Boussinesq(Model* model) : parent(model) {
this->initialize(trait::dimension, trait::dimension);
}
template <>
Boussinesq<model_type::volume_2d, 1>::Boussinesq(Model* model) : parent(model) {
this->initialize(trait::dimension, trait::voigt);
}
/* -------------------------------------------------------------------------- */
/* Operator implementation */
/* -------------------------------------------------------------------------- */
template <model_type type, UInt derivative>
void Boussinesq<type, derivative>::apply(GridBase<Real>& source,
GridBase<Real>& out) const {
Real nu = this->model->getPoissonRatio(), mu = this->model->getShearModulus();
influence::Boussinesq<trait::dimension, derivative> boussinesq(mu, nu);
influence::ElasticHelper<trait::dimension> el(mu, nu);
detail::BoussinesqHelper<type, decltype(boussinesq)> helper;
// the source is a Grid<Real, bdim> grid normally, so we gotta make sure we
// can cast it into a Grid<Real, dim>
GridView<Grid, Real, trait::boundary_dimension, trait::dimension> view(
source, {}, -1);
parent::transformSource(view);
helper.template apply<true>(this->source_buffer.front(), this->out_buffer,
this->wavevectors,
this->model->getSystemSize().front(), boussinesq);
helper.makeFundamentalModeGreatAgain(this->source_buffer.front(),
this->out_buffer, el);
parent::transformOutput(
[](auto&& out_buffer, auto layer) ->
typename parent::BufferType& { return out_buffer[layer]; },
out);
}
/* -------------------------------------------------------------------------- */
template <model_type type, UInt derivative>
void Boussinesq<type, derivative>::initialize(UInt source_components,
UInt out_components) {
auto hermitian_sizes =
GridHermitian<Real, trait::boundary_dimension>::hermitianDimensions(
this->model->getBoundaryDiscretization());
// Initializing buffers
this->source_buffer.resize(1);
this->out_buffer.resize(this->model->getDiscretization()[0]);
// Resizing source buffer
std::for_each(this->source_buffer.begin(), this->source_buffer.end(),
[&](auto& buffer) {
buffer.setNbComponents(source_components);
buffer.resize(hermitian_sizes);
});
// Resizing output buffer
std::for_each(this->out_buffer.begin(), this->out_buffer.end(),
[&](auto& buffer) {
buffer.setNbComponents(out_components);
buffer.resize(hermitian_sizes);
});
}
} // namespace tamaas

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