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element_group.hh
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element_group.hh
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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 "aka_common.hh"
#include "dumpable.hh"
#include "element_type_map.hh"
#include "node_group.hh"
/* -------------------------------------------------------------------------- */
#include <set>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_ELEMENT_GROUP_HH_
#define AKANTU_ELEMENT_GROUP_HH_
namespace akantu {
class Mesh;
class Element;
class NewNodesEvent;
} // namespace akantu
namespace akantu {
/* -------------------------------------------------------------------------- */
class ElementGroup : public Dumpable {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ElementGroup(const std::string & name, const Mesh & mesh,
NodeGroup & node_group, Int dimension = _all_dimensions,
const std::string & id = "element_group");
/* ------------------------------------------------------------------------ */
/* Type definitions */
/* ------------------------------------------------------------------------ */
public:
using ElementList = ElementTypeMapArray<Idx>;
/* ------------------------------------------------------------------------ */
/* Element iterator */
/* ------------------------------------------------------------------------ */
using type_iterator = ElementList::type_iterator;
template <typename... pack>
[[nodiscard]] inline decltype(auto) elementTypes(pack &&... _pack) const {
return elements.elementTypes(std::forward<decltype(_pack)>(_pack)...);
}
[[nodiscard]] inline auto begin(ElementType type,
GhostType ghost_type = _not_ghost) const;
[[nodiscard]] inline auto end(ElementType type,
GhostType ghost_type = _not_ghost) const;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// empty the element group
void clear();
void clear(ElementType type, GhostType ghost_type = _not_ghost);
[[nodiscard]] bool empty() const;
/// append another group to this group
/// BE CAREFUL: it doesn't conserve the element order
void append(const ElementGroup & other_group);
/// add an element to the group. By default the it does not add the nodes to
/// the group
inline void add(const Element & el, bool add_nodes = false,
bool check_for_duplicate = true);
/// \todo fix the default for add_nodes : make it coherent with the other
/// method
inline void add(ElementType type, Idx element,
GhostType ghost_type = _not_ghost, bool add_nodes = true,
bool check_for_duplicate = true);
inline void addNode(Idx node_id, bool check_for_duplicate = true);
inline void removeNode(Idx node_id);
/// function to print the contain of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
/// fill the elements based on the underlying node group.
virtual void fillFromNodeGroup();
// sort and remove duplicated values
void optimize();
/// change the dimension if needed
void addDimension(Int dimension);
void onNodesAdded(const Array<Idx> & new_nodes, const NewNodesEvent & event);
private:
inline void addElement(ElementType elem_type, Idx elem_id,
GhostType ghost_type);
friend class GroupManager;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
[[nodiscard]] const Array<Idx> &
getElements(ElementType type, GhostType ghost_type = _not_ghost) const;
AKANTU_GET_MACRO_AUTO(Elements, elements);
AKANTU_GET_MACRO_AUTO_NOT_CONST(Elements, elements);
template <class... Args> auto size(Args &&... pack) const {
return elements.size(std::forward<Args>(pack)...);
}
[[nodiscard]] decltype(auto)
getElementsIterable(ElementType type,
GhostType ghost_type = _not_ghost) const;
// AKANTU_GET_MACRO(Nodes, node_group.getNodes(), const Array<UInt> &);
AKANTU_GET_MACRO_AUTO(NodeGroup, node_group);
AKANTU_GET_MACRO_AUTO_NOT_CONST(NodeGroup, node_group);
AKANTU_GET_MACRO_AUTO(Dimension, dimension);
AKANTU_GET_MACRO_AUTO(Name, name);
[[nodiscard]] inline Int getNbNodes() const;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// Mesh to which this group belongs
const Mesh & mesh;
/// name of the group
std::string name;
/// list of elements composing the group
ElementList elements;
/// sub list of nodes which are composing the elements
NodeGroup & node_group;
/// group dimension
Int dimension{_all_dimensions};
/// empty arry for the iterator to work when an element type not present
Array<Idx> empty_elements;
};
/// standard output stream operator
inline std::ostream & operator<<(std::ostream & stream,
const ElementGroup & _this) {
_this.printself(stream);
return stream;
}
} // namespace akantu
#include "element.hh"
#include "element_group_inline_impl.hh"
#endif /* AKANTU_ELEMENT_GROUP_HH_ */

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