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remove_damaged_with_damage_rate_weight_function_inline_impl.cc
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remove_damaged_with_damage_rate_weight_function_inline_impl.cc
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/**
* @file remove_damaged_with_damage_rate_weight_function_inline_impl.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Cyprien Wolff <cyprien.wolff@epfl.ch>
*
* @date creation: Mon Aug 24 2015
* @date last modification: Wed Feb 03 2016
*
* @brief Implementation of inline function of remove damaged with
* damage rate weight function
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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 "remove_damaged_with_damage_rate_weight_function.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
inline void RemoveDamagedWithDamageRateWeightFunction::init() {
this->damage_with_damage_rate =
&(this->manager.registerWeightFunctionInternal("damage-rate"));
}
/* -------------------------------------------------------------------------- */
inline Real RemoveDamagedWithDamageRateWeightFunction::operator()(
Real r, const __attribute__((unused)) IntegrationPoint & q1,
const IntegrationPoint & q2) {
/// compute the weight
auto quad = q2.global_num;
if (q1.global_num == quad)
return 1.;
Array<Real> & dam_array =
(*this->damage_with_damage_rate)(q2.type, q2.ghost_type);
Real D = dam_array(quad);
Real w = 0.;
Real alphaexp = 1.;
Real betaexp = 2.;
if (D < damage_limit_with_damage_rate) {
Real alpha = std::max(0., 1. - pow((r * r / this->R2), alphaexp));
w = pow(alpha, betaexp);
}
return w;
}
} // namespace akantu

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