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rAKA/src/model/integration_scheme/integration_scheme_2nd_order.cc
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integration_scheme_2nd_order.cc
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/**
* @file integration_scheme_2nd_order.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Tue Oct 20 10:41:12 2015
*
* @brief Implementation of the common part of 2nd order integration schemes
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "integration_scheme_2nd_order.hh"
#include "dof_manager.hh"
#include "sparse_matrix.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
void IntegrationScheme2ndOrder::predictor(Real delta_t) {
AKANTU_DEBUG_IN();
Array<Real> & u = this->dof_manager.getDOFs(this->dof_id);
Array<Real> & u_dot = this->dof_manager.getDOFsDerivatives(this->dof_id, 1);
Array<Real> & u_dot_dot =
this->dof_manager.getDOFsDerivatives(this->dof_id, 2);
const Array<bool> & blocked_dofs =
this->dof_manager.getBlockedDOFs(this->dof_id);
this->predictor(delta_t, u, u_dot, u_dot_dot, blocked_dofs);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void IntegrationScheme2ndOrder::corrector(const SolutionType & type,
Real delta_t) {
AKANTU_DEBUG_IN();
Array<Real> & u = this->dof_manager.getDOFs(this->dof_id);
Array<Real> & u_dot = this->dof_manager.getDOFsDerivatives(this->dof_id, 1);
Array<Real> & u_dot_dot =
this->dof_manager.getDOFsDerivatives(this->dof_id, 2);
const Array<Real> & solution = this->dof_manager.getSolution(this->dof_id);
const Array<bool> & blocked_dofs =
this->dof_manager.getBlockedDOFs(this->dof_id);
this->corrector(type, delta_t, u, u_dot, u_dot_dot, blocked_dofs, solution);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void IntegrationScheme2ndOrder::assembleResidual(bool is_lumped) {
AKANTU_DEBUG_IN();
if (this->dof_manager.hasMatrix("C")) {
const Array<Real> & first_derivative =
this->dof_manager.getDOFsDerivatives(this->dof_id, 1);
this->dof_manager.assembleMatMulVectToResidual(this->dof_id, "C",
first_derivative, -1);
}
const Array<Real> & second_derivative =
this->dof_manager.getDOFsDerivatives(this->dof_id, 2);
if (!is_lumped) {
this->dof_manager.assembleMatMulVectToResidual(this->dof_id, "M",
second_derivative, -1);
} else {
this->dof_manager.assembleLumpedMatMulVectToResidual(this->dof_id, "M",
second_derivative, -1);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
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