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container_mesh.hh
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/**
* @file container_mesh.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Mon Sep 08 23:40:22 2014
*
* @brief This is the abstract container for mesh data
*
* @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/>.
*
*/
#ifndef __LIBMULTISCALE_CONTAINER_MESH_HH__
#define __LIBMULTISCALE_CONTAINER_MESH_HH__
/* -------------------------------------------------------------------------- */
#include "container.hh"
#include "container_array.hh"
#include "ref_element.hh"
#include "ref_point_data.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
template <typename ContNodes, typename ContElems>
class ContainerMesh : public virtual LMObject,
public Container_base<typename ContNodes::Ref> {
public:
using ContainerNodes = ContNodes;
using ContainerElems = ContElems;
using iterator = typename ContNodes::iterator;
using Ref = typename ContNodes::Ref;
using RefElem = typename ContElems::Ref;
using ContainerSubset =
ContainerMesh<ContainerArray<Ref>, ContainerArray<RefElem>>;
static constexpr UInt Dim = ContainerNodes::Dim;
ContainerMesh(const LMID &id);
ContainerMesh(ContainerMesh &&id) = default;
virtual ~ContainerMesh();
decltype(auto) filter(int dt) {
return Container_base<Ref>::template filter<ContainerMesh>(dt);
}
operator ContainerNodes &() {
LM_FATAL(
"silent conversion from ContainerMesh to ContainerNode is not allowed");
return container_nodes;
}
iterator begin() { return container_nodes.begin(); };
iterator end() { return container_nodes.end(); };
Ref &get(UInt index) { return container_nodes.get(index); }
void clear() {
container_nodes.clear();
container_elems.clear();
}
UInt size() const { return container_nodes.size(); };
template <typename ContNodesPristine>
void computeAlteredConnectivity(ContNodesPristine &contNodes);
void setCommGroup(CommGroup &group) override;
ContNodes &getArray() { return this->getContainerNodes(); };
ContNodes &getContainerNodes() { return container_nodes; };
ContElems &getContainerElems() { return container_elems; };
UInt subIndex2Index(UInt index) {
LM_ASSERT(nodeIndexList.size() > 0,
"nodeIndexList was not initialized: did you call "
<< "computeAlteredConnectivity method ?");
auto it = std::find(nodeIndexList.begin(), nodeIndexList.end(), index);
return it - nodeIndexList.begin();
};
private:
ContNodes container_nodes;
ContElems container_elems;
std::vector<UInt> nodeIndexList;
};
/* -------------------------------------------------------------------------- */
template <typename ContNodes, typename ContElems>
ContainerMesh<ContNodes, ContElems>::ContainerMesh(const LMID &id)
: LMObject(id), container_nodes(id + ":nodes"),
container_elems(id + ":elems") {}
/* -------------------------------------------------------------------------- */
template <typename ContNodes, typename ContElems>
ContainerMesh<ContNodes, ContElems>::~ContainerMesh() {}
/* -------------------------------------------------------------------------- */
template <typename ContNodes, typename ContElems>
template <typename ContNodesPristine>
void ContainerMesh<ContNodes, ContElems>::computeAlteredConnectivity(
ContNodesPristine &contNodes) {
std::set<UInt> nodeIndexList_set;
for (auto &&el : container_elems) {
auto &&connectivity = el.globalIndexes();
for (UInt n = 0; n < connectivity.size(); ++n)
nodeIndexList_set.insert(connectivity[n]);
}
nodeIndexList.clear();
std::copy(nodeIndexList_set.begin(), nodeIndexList_set.end(),
std::back_inserter(nodeIndexList));
for (auto &&n_index : nodeIndexList) {
container_nodes.push_back(contNodes.get(n_index));
}
// recompute the connectivity
std::vector<UInt> altered_connectivity;
for (UInt i = 0; i < container_elems.size(); ++i) {
auto &el = container_elems.get(i);
auto &&connectivity = el.globalIndexes();
altered_connectivity.resize(connectivity.size());
for (UInt n = 0; n < connectivity.size(); ++n) {
auto it = std::find(nodeIndexList.begin(), nodeIndexList.end(),
connectivity[n]);
altered_connectivity[n] = it - nodeIndexList.begin();
}
el.setAlteredConnectivity(altered_connectivity);
}
this->acquireContext(contNodes);
}
/* -------------------------------------------------------------------------- */
template <typename ContNodes, typename ContElems>
void ContainerMesh<ContNodes, ContElems>::setCommGroup(CommGroup &group) {
Container_base<typename ContNodes::Ref>::setCommGroup(group);
container_nodes.setCommGroup(group);
container_elems.setCommGroup(group);
}
/* -------------------------------------------------------------------------- */
template <UInt _Dim>
class RefGenericElem : public RefElement<RefGenericElem<_Dim>> {
public:
static constexpr UInt Dim = _Dim;
using fields = field_list<>;
template <typename Vec> void setConnectivity(Vec &&conn) {
auto n_nodes = conn.rows() * conn.cols();
this->conn.clear();
for (UInt i = 0; i < n_nodes; ++i)
this->conn.push_back(conn[i]);
}
bool operator==(RefGenericElem &) {
LM_TOIMPLEMENT;
return true;
};
//! return the local indexes (in DOF vector) for connected nodes
inline std::vector<UInt> localIndexes() { return this->conn; }
//! return the global indexes (in DOF vector) for connected nodes
virtual std::vector<UInt> globalIndexes() { return this->localIndexes(); };
inline void setAlteredConnectivity(std::vector<UInt> &) { LM_TOIMPLEMENT; };
inline std::vector<UInt> &getAlteredConnectivity() { LM_TOIMPLEMENT; };
inline bool isAltered() { return false; };
Real stress(UInt coord) { LM_TOIMPLEMENT; };
Real strain(UInt coord) { LM_TOIMPLEMENT; };
std::vector<UInt> conn;
};
template <UInt Dim>
using ContainerGenericMesh = ContainerMesh<ContainerArray<RefPointData<Dim>>,
ContainerArray<RefGenericElem<Dim>>>;
__END_LIBMULTISCALE__
#endif /* __LIBMULTISCALE_CONTAINER_MESH_HH__ */

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