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boundary_functions.cc
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/**
* @file boundary_functions.cc
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Tue Feb 20 2018
* @date last modification: Fri Jul 19 2019
*
* @brief functions for boundaries
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 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 "boundary_functions.hh"
#include "communicator.hh"
#include "element_group.hh"
#include "node_group.hh"
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
Real integrateResidual(const std::string & sub_boundary_name,
const SolidMechanicsModel & model, UInt dir) {
Real int_res = 0.;
const Mesh & mesh = model.getMesh();
const Array<Real> & residual = model.getInternalForce();
const ElementGroup & boundary = mesh.getElementGroup(sub_boundary_name);
for (const auto & node : boundary.getNodeGroup().getNodes()) {
bool is_local_node = mesh.isLocalOrMasterNode(node);
if (is_local_node) {
int_res += residual(node, dir);
}
}
mesh.getCommunicator().allReduce(int_res, SynchronizerOperation::_sum);
return int_res;
}
/* -------------------------------------------------------------------------- */
void boundaryFix(Mesh & mesh,
const std::vector<std::string> & sub_boundary_names) {
for (auto && eg : sub_boundary_names) {
if (mesh.elementGroupExists(eg)) {
mesh.createElementGroup(eg, mesh.getSpatialDimension() -
1); // empty element group
}
}
}
} // namespace akantu

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