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test_mesh_periodic.cc
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Wed, Dec 4, 10:52

test_mesh_periodic.cc
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/**
* Copyright (©) 2013-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "data_accessor.hh"
#include "mesh.hh"
#include "mesh_accessor.hh"
//#include "mesh_partition_scotch.hh"
#include "periodic_node_synchronizer.hh"
/* -------------------------------------------------------------------------- */
#include "dumpable_inline_impl.hh"
//#include "dumper_element_partition.hh"
#include "dumper_iohelper_paraview.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char ** argv) {
initialize(argc, argv);
constexpr Int dim = 3;
auto prank = Communicator::getStaticCommunicator().whoAmI();
// auto psize = Communicator::getStaticCommunicator().getNbProc();
Mesh mesh(dim);
if (prank == 0) {
mesh.read("cube_periodic.msh");
}
MeshAccessor mesh_accessor(mesh);
// mesh_accessor.wipePeriodicInfo();
// mesh.makePeriodic(_z);
// if (prank == 0) {
// MeshPartitionScotch partition(mesh, dim);
// partition.partitionate(psize);
// }
UInt offset = 0;
for (auto && type : mesh.elementTypes()) {
auto & g_ids = mesh.getDataPointer<Int>("global_ids", type);
for (auto && data : enumerate(g_ids)) {
std::get<1>(data) = offset + std::get<0>(data);
}
offset += g_ids.size();
}
mesh.distribute();
mesh.makePeriodic(_x);
mesh.makePeriodic(_y);
mesh.makePeriodic(_z);
auto * dumper = new DumperParaview("periodic", "./paraview");
mesh.registerExternalDumper(*dumper, "periodic", true);
mesh.addDumpMesh(mesh);
if (mesh.isDistributed()) {
mesh.addDumpFieldExternalToDumper(
"periodic", "node_type",
const_cast<const Mesh &>(mesh).getNodesFlags());
}
mesh.dump();
Array<Int> periodic(mesh.getNbNodes(), 1, 0.);
Array<Int> masters(mesh.getNbNodes(), 1, 0.);
Array<Int> global_ids(mesh.getNbNodes(), 1, 0.);
UInt prev_node = -1;
UInt value = 0;
const auto & periodic_ms = mesh.getPeriodicMasterSlaves();
for (auto & pair : periodic_ms) {
if (prev_node != pair.first) {
++value;
}
prev_node = pair.first;
periodic(pair.first) = value;
periodic(pair.second) = value;
masters(pair.first) = 1;
global_ids(pair.first) = mesh.getNodeGlobalId(pair.second);
auto it = periodic_ms.find(pair.second);
if (it != periodic_ms.end()) {
AKANTU_EXCEPTION(pair.second << " is slave of " << pair.first
<< " and master of " << it->second);
}
}
mesh.addDumpFieldExternalToDumper("periodic", "periodic", periodic);
mesh.addDumpFieldExternalToDumper("periodic", "masters", masters);
mesh.addDumpFieldExternalToDumper("periodic", "global_ids", global_ids);
mesh.addDumpFieldExternalToDumper("periodic", "element_global_ids",
mesh.getData<UInt>("global_ids"));
mesh.dump();
Array<Int> data(mesh.getNbNodes(), 1, 0.);
mesh.addDumpFieldExternalToDumper("periodic", "data", data);
for (auto node : arange(mesh.getNbNodes())) {
if (mesh.isPeriodicMaster(node)) {
data(node) = 1 * (prank + 1);
if (mesh.isMasterNode(node) or mesh.isLocalNode(node)) {
data(node) = 10 * (prank + 1);
}
}
}
mesh.dump();
// SimpleUIntDataAccessor<Int> data_accessor(data,
// SynchronizationTag::_user_1);
// mesh.getPeriodicNodeSynchronizer().synchronizeOnce(data_accessor,
// SynchronizationTag::_user_1);
mesh.dump();
}

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