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phasefield_exponential.cc
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phasefield_exponential.cc
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/**
* @file phasefield_exponential.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Jun 19 2020
* @date last modification: Wed Jun 23 2021
*
* @brief Specialization of the phasefield law class for exponential type
* law
*
*
* @section LICENSE
*
* Copyright (©) 2018-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "phasefield_exponential.hh"
#include "aka_common.hh"
#include <tuple>
namespace akantu {
/* -------------------------------------------------------------------------- */
PhaseFieldExponential::PhaseFieldExponential(PhaseFieldModel & model,
const ID & id)
: PhaseField(model, id) {}
/* -------------------------------------------------------------------------- */
void PhaseFieldExponential::updateInternalParameters() {
PhaseField::updateInternalParameters();
for (const auto & type :
element_filter.elementTypes(spatial_dimension, _not_ghost)) {
auto & elem_filter = element_filter(type, _not_ghost);
if (elem_filter.empty()) {
continue;
}
for (auto && tuple : zip(make_view(this->damage_energy(type, _not_ghost),
spatial_dimension, spatial_dimension),
this->g_c(type, _not_ghost))) {
Matrix<Real> d(spatial_dimension, spatial_dimension);
// eye g_c * l0
d.eye(std::get<1>(tuple) * this->l0);
std::get<0>(tuple) = d;
}
}
}
/* -------------------------------------------------------------------------- */
void PhaseFieldExponential::computeDrivingForce(const ElementType & el_type,
GhostType ghost_type) {
for (auto && tuple : zip(this->phi(el_type, ghost_type),
this->phi.previous(el_type, ghost_type),
this->driving_force(el_type, ghost_type),
this->damage_energy_density(el_type, ghost_type),
make_view(this->strain(el_type, ghost_type),
spatial_dimension, spatial_dimension),
this->g_c(el_type, ghost_type))) {
computePhiOnQuad(std::get<4>(tuple), std::get<0>(tuple),
std::get<1>(tuple));
computeDamageEnergyDensityOnQuad(std::get<0>(tuple), std::get<3>(tuple),
std::get<5>(tuple));
computeDrivingForceOnQuad(std::get<0>(tuple), std::get<2>(tuple));
}
}
INSTANTIATE_PHASEFIELD(exponential, PhaseFieldExponential);
} // namespace akantu

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