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libmultiscale/src/filter/compute_epot.cc
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compute_epot.cc
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/**
* @file compute_epot.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jul 09 21:59:47 2014
*
* @brief This computes the potential energy of a set of DOFs
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "compute_epot.hh"
#include "lib_continuum.hh"
#include "lib_dd.hh"
#include "lib_md.hh"
#include "lm_common.hh"
#include "lm_communicator.hh"
#include "ref_point_data.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
template <typename Cont> enable_if_md<Cont> ComputeEPot::build(Cont &cont) {
Real computed_epot = 0.0;
for (auto &&at : cont) {
computed_epot += at.getEPot();
}
CommGroup &group = cont.getCommGroup();
group.allReduce(&computed_epot, 1, "potential energy reduce", OP_SUM);
this->clear();
this->getOutputAsArray().push_back(computed_epot);
}
/* -------------------------------------------------------------------------- */
template <typename Cont> enable_if_mesh<Cont> ComputeEPot::build(Cont &cont) {
Real computed_epot = 0.0;
for (auto &&el : cont.getContainerElems()) {
computed_epot += el.getEPot();
}
CommGroup &group = this->getCommGroup();
group.allReduce(&computed_epot, 1, "potential energy reduce", OP_SUM);
this->clear();
this->getOutputAsArray().push_back(computed_epot);
}
/* -------------------------------------------------------------------------- */
/* LMDESC EPOT
This computes the potential energy of the region provided as input
*/
/* LMEXAMPLE COMPUTE epot EPOT INPUT md */
/* -------------------------------------------------------------------------- */
void ComputeEPot::declareParams() { ComputeInterface::declareParams(); }
/* -------------------------------------------------------------------------- */
ComputeEPot::ComputeEPot(const std::string &name) : LMObject(name) {
this->createInput("input");
this->createArrayOutput("Epot");
}
/* -------------------------------------------------------------------------- */
ComputeEPot::~ComputeEPot() {}
/* -------------------------------------------------------------------------- */
DECLARE_COMPUTE_MAKE_CALL(ComputeEPot)
__END_LIBMULTISCALE__
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