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tamaas/src/model/boussinesq.cpp
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boussinesq.cpp
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2017 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Tamaas 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tamaas. If not, see <http://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::dimension * trait::dimension);
}
/* -------------------------------------------------------------------------- */
/* 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;
auto apply = [&](auto&& source_buffer, auto&& out_buffer) {
out_buffer.front() = 0;
helper.template apply<true>(
source_buffer.front(), out_buffer, this->wavevectors,
this->model->getSystemSize().front(), boussinesq);
helper.makeFundamentalModeGreatAgain(source_buffer.front(), out_buffer, el);
};
// 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);
this->fourierApply(apply, view, 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->disp_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->disp_buffer.begin(), this->disp_buffer.end(),
[&](auto& buffer) {
buffer.setNbComponents(out_components);
buffer.resize(hermitian_sizes);
});
}
} // namespace tamaas
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