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rAKA/src/model/integration_scheme/generalized_trapezoidal_inline_impl.cc
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generalized_trapezoidal_inline_impl.cc
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/**
* @file generalized_trapezoidal_inline_impl.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Jul 04 2011
* @date last modification: Thu Jun 05 2014
*
* @brief implementation of inline functions
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 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/>.
*
*/
/* -------------------------------------------------------------------------- */
inline void GeneralizedTrapezoidal::integrationSchemePred(Real delta_t,
Array<Real> & u,
Array<Real> & u_dot,
Array<bool> & blocked_dofs) {
AKANTU_DEBUG_IN();
UInt nb_nodes = u.getSize();
UInt nb_degree_of_freedom = u.getNbComponent() * nb_nodes;
Real * u_val = u.storage();
Real * u_dot_val = u_dot.storage();
bool * blocked_dofs_val = blocked_dofs.storage();
for (UInt d = 0; d < nb_degree_of_freedom; d++) {
if(!(*blocked_dofs_val)) {
*u_val += (1. - alpha) * delta_t * *u_dot_val;
}
u_val++;
u_dot_val++;
blocked_dofs_val++;
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
inline void GeneralizedTrapezoidal::integrationSchemeCorrTemp(Real delta_t,
Array<Real> & u,
Array<Real> & u_dot,
Array<bool> & blocked_dofs,
Array<Real> & delta) {
AKANTU_DEBUG_IN();
integrationSchemeCorr<GeneralizedTrapezoidal::_temperature_corrector>(delta_t,
u,
u_dot,
blocked_dofs,
delta);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
inline void GeneralizedTrapezoidal::integrationSchemeCorrTempRate(Real delta_t,
Array<Real> & u,
Array<Real> & u_dot,
Array<bool> & blocked_dofs,
Array<Real> & delta) {
AKANTU_DEBUG_IN();
integrationSchemeCorr<GeneralizedTrapezoidal::_temperature_rate_corrector>(delta_t,
u,
u_dot,
blocked_dofs,
delta);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<>
inline Real GeneralizedTrapezoidal::getTemperatureCoefficient<GeneralizedTrapezoidal::_temperature_corrector>(__attribute__ ((unused)) Real delta_t) {
return 1.;
}
template<>
inline Real GeneralizedTrapezoidal::getTemperatureRateCoefficient<GeneralizedTrapezoidal::_temperature_corrector>(Real delta_t) {
return 1./(alpha * delta_t);
}
/* -------------------------------------------------------------------------- */
template<>
inline Real GeneralizedTrapezoidal::getTemperatureCoefficient<GeneralizedTrapezoidal::_temperature_rate_corrector>(Real delta_t) {
return alpha * delta_t;
}
template<>
inline Real GeneralizedTrapezoidal::getTemperatureRateCoefficient<GeneralizedTrapezoidal::_temperature_rate_corrector>(__attribute__ ((unused)) Real delta_t) {
return 1.;
}
/* -------------------------------------------------------------------------- */
template<GeneralizedTrapezoidal::IntegrationSchemeCorrectorType type>
inline void GeneralizedTrapezoidal::integrationSchemeCorr(Real delta_t,
Array<Real> & u,
Array<Real> & u_dot,
Array<bool> & blocked_dofs,
Array<Real> & delta) {
AKANTU_DEBUG_IN();
UInt nb_nodes = u.getSize();
UInt nb_degree_of_freedom = u.getNbComponent() * nb_nodes;
Real e = getTemperatureCoefficient<type>(delta_t);
Real d = getTemperatureRateCoefficient<type>(delta_t);
Real * u_val = u.storage();
Real * u_dot_val = u_dot.storage();
Real * delta_val = delta.storage();
bool * blocked_dofs_val = blocked_dofs.storage();
for (UInt dof = 0; dof < nb_degree_of_freedom; dof++) {
if(!(*blocked_dofs_val)) {
*u_val += e * *delta_val;
*u_dot_val += d * *delta_val;
}
u_val++;
u_dot_val++;
delta_val++;
blocked_dofs_val++;
}
AKANTU_DEBUG_OUT();
}
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