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tamaas/src/model/volume_potential.cpp
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volume_potential.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 "volume_potential.hh"
#include "model.hh"
#include <algorithm>
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
template <model_type type>
VolumePotential<type>::VolumePotential(Model * model): IntegralOperator(model) {
// Copy horizontal sizes
std::array<UInt, trait::boundary_dimension> sizes;
std::copy(model->getDiscretization().begin() + 1,
model->getDiscretization().end(), sizes.begin());
auto hermitian_sizes =
GridHermitian<Real, trait::boundary_dimension>::hermitianDimensions(
sizes);
wavevectors = FFTransform<Real, trait::boundary_dimension>::
template computeFrequencies<true>(hermitian_sizes);
// Normalize wavevectors
auto system_size = model->getBoundarySystemSize();
VectorProxy<const Real, trait::boundary_dimension> boundary_domain{
system_size[0]};
wavevectors *= 2 * M_PI;
wavevectors /= boundary_domain;
wavevectors *= -1.; // < this is important for the convolution computation
}
/* -------------------------------------------------------------------------- */
template <model_type type>
model_type VolumePotential<type>::getType() const {
return this->model->getType();
}
/* -------------------------------------------------------------------------- */
/* Template instanciation */
/* -------------------------------------------------------------------------- */
template class VolumePotential<model_type::volume_1d>;
template class VolumePotential<model_type::volume_2d>;
__END_TAMAAS__
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