constitutive_laws_handler.hh
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Created: Sun, Aug 25, 12:49

constitutive_laws_handler.hh
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	/**
	* @file constitutive_laws_handler.hh
	*
	* @author Nicolas Richart <nicolas.richart@epfl.ch>
	* @author Mohit Pundir <mohit.pundir@epfl.ch>
	*
	* @date creation ven mar 26 2021
	*
	* @brief A handler for multiple consistutive laws
	*
	* @section LICENSE
	*
	* Copyright (©) 2010-2011 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 "constitutive_law.hh"
	#include "constitutive_law_selector.hh"
	#include "mesh.hh"
	#include "mesh_events.hh"
	#include "non_local_manager_callback.hh"
	/* -------------------------------------------------------------------------- */

	#ifndef AKANTU_CONSTITUTIVE_LAWS_HANDLER_HH
	#define AKANTU_CONSTITUTIVE_LAWS_HANDLER_HH

	namespace akantu {
	class NonLocalManager;
	class ModelOptions;
	} // namespace akantu

	/* -------------------------------------------------------------------------- */
	namespace akantu {

	template <class ConstitutiveLawType, class Model_>
	class ConstitutiveLawsHandler : public Model_,
	public DataAccessor<Element>,
	public NonLocalManagerCallback {
	/* ------------------------------------------------------------------------ */
	/* Constructors/Destructors */
	/* ------------------------------------------------------------------------ */
	public:
	ConstitutiveLawsHandler(Mesh & mesh, const ModelType & type,
	Int spatial_dimension, const ID & parent_id)
	: Model_(mesh, type, spatial_dimension, parent_id),
	constitutive_law_index("constitutive_law index", parent_id),
	constitutive_law_local_numbering("constitutive_law local numbering",
	parent_id) {
	constitutive_law_selector =
	std::make_shared<DefaultConstitutiveLawSelector>(
	constitutive_law_index);

	constitutive_law_index.initialize(mesh, _element_kind = _ek_not_defined,
	_default_value = -1,
	_with_nb_element = true);

	constitutive_law_local_numbering.initialize(
	mesh, _element_kind = _ek_not_defined, _with_nb_element = true);

	this->registerDataAccessor(*this);

	if (this->mesh.isDistributed()) {
	auto & synchronizer = this->mesh.getElementSynchronizer();
	this->registerSynchronizer(synchronizer,
	SynchronizationTag::_constitutive_law_id);
	}
	}

	class NewConstitutiveLawElementsEvent : public NewElementsEvent {
	public:
	AKANTU_GET_MACRO_NOT_CONST(ConstitutiveLawList, constitutive_law,
	Array<Idx> &);
	AKANTU_GET_MACRO(ConstitutiveLawList, constitutive_law, const Array<Idx> &);

	protected:
	Array<Idx> constitutive_law;
	};

	/* ------------------------------------------------------------------------ */
	/* ConstitutiveLaws */
	/* ------------------------------------------------------------------------ */
	public:
	/// initialize the constitutive laws
	void initFullImpl(const ModelOptions & options) override {
	Model_::initFullImpl(options);
	if (not this->parser.getLastParsedFile().empty()) {
	auto && [model_section, is_empty] = this->getParserSection();
	this->instantiateConstitutiveLaws(is_empty ? this->parser
	: model_section);
	this->initConstitutiveLaws();
	}
	}

	/// register an empty constitutive_law of a given type
	auto & registerNewConstitutiveLaw(const ID & cl_name, const ID & cl_type,
	const ID & opt_param);

	/// reassigns constitutive_laws depending on the constitutive_law selector
	virtual void reassignConstitutiveLaw();

	template <class Func> void for_each_constitutive_law(Func && func) {
	for (auto && constitutive_law : constitutive_laws) {
	std::forward<Func>(func)(*constitutive_law);
	}
	}

	template <class Func> void for_each_constitutive_law(Func && func) const {
	for (auto && constitutive_law : constitutive_laws) {
	std::forward<Func>(func)(*constitutive_law);
	}
	}

	protected:
	/// register a constitutive_law in the dynamic database
	auto & registerNewConstitutiveLaw(const ParserSection & cl_section);

	/// Initialize the constitutive laws
	virtual void initConstitutiveLaws();

	/// read the constitutive_law files to instantiate all the constitutive_laws
	void instantiateConstitutiveLaws(ParserSection & parser_section);

	/// set the element_id_by_constitutive_law and add the elements to the good
	/// constitutive_laws
	virtual void assignConstitutiveLawToElements(
	const ElementTypeMapArray<Idx> * filter = nullptr);

	protected:
	void splitElementByConstitutiveLaw(
	const Array<Element> & elements,
	std::vector<Array<Element>> & elements_per_cl) const;

	template <typename Operation>
	void splitByConstitutiveLaw(const Array<Element> & elements,
	Operation && op) const;

	/* ------------------------------------------------------------------------ */
	/* Dumpable interface (kept for convenience) and dumper relative functions */
	/* ------------------------------------------------------------------------ */
	public:
	//! decide wether a field is a constitutive_law internal or not
	bool isInternal(const std::string & field_name, ElementKind element_kind);

	//! give the amount of data per element
	virtual ElementTypeMap<Int>
	getInternalDataPerElem(const std::string & field_name, ElementKind kind);

	//! flatten a given constitutive_law internal field
	template <class T = Real>
	ElementTypeMapArray<T> & flattenInternal(const std::string & field_name,
	ElementKind kind,
	GhostType ghost_type = _not_ghost);

	//! flatten all the registered constitutive_law internals
	void flattenAllRegisteredInternals(ElementKind kind);

	template <class T>
	void inflateInternal(const std::string & field_name,
	const ElementTypeMapArray<T> & field,
	GhostType ghost_type, ElementKind kind);

	/* ------------------------------------------------------------------------ */
	/* Accessors */
	/* ------------------------------------------------------------------------ */
	public:
	/// get an iterable on the constitutive_laws
	inline decltype(auto) getConstitutiveLaws();

	/// get an iterable on the constitutive_laws
	inline decltype(auto) getConstitutiveLaws() const;

	/// get a particular constitutive_law (by numerical constitutive_law index)
	inline auto & getConstitutiveLaw(Idx cl_index);

	/// get a particular constitutive_law (by numerical constitutive_law index)
	inline const auto & getConstitutiveLaw(Idx cl_index) const;

	/// get a particular constitutive_law (by constitutive_law name)
	inline auto & getConstitutiveLaw(const std::string & name);

	/// get a particular constitutive_law (by constitutive_law name)
	inline const auto & getConstitutiveLaw(const std::string & name) const;

	/// get a particular constitutive_law (by constitutive_law name)
	inline auto & getConstitutiveLaw(const Element & element);

	/// get a particular constitutive_law (by constitutive_law name)
	inline const auto & getConstitutiveLaw(const Element & element) const;

	/// get a particular constitutive_law id from is name
	inline Idx getConstitutiveLawIndex(const std::string & name) const;

	/// give the number of constitutive_laws
	inline Int getNbConstitutiveLaws() const { return constitutive_laws.size(); }

	/// give the constitutive_law internal index from its id
	Int getInternalIndexFromID(const ID & id) const;

	/// get the type to use for the parser
	ParserType getConstitutiveLawParserType() const { return this->parser_type; }

	protected:
	AKANTU_GET_MACRO_AUTO_NOT_CONST(ConstitutiveLawByElement,
	constitutive_law_index);
	AKANTU_GET_MACRO_AUTO_NOT_CONST(ConstitutiveLawLocalNumbering,
	constitutive_law_local_numbering);

	public:
	AKANTU_GET_MACRO_AUTO(ConstitutiveLawByElement, constitutive_law_index);
	AKANTU_GET_MACRO_AUTO(ConstitutiveLawLocalNumbering,
	constitutive_law_local_numbering);

	/// vectors containing local constitutive_law element index for each global
	/// element index
	AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(ConstitutiveLawByElement,
	constitutive_law_index, Idx);
	AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(ConstitutiveLawLocalNumbering,
	constitutive_law_local_numbering, Idx);

	AKANTU_GET_MACRO_NOT_CONST(ConstitutiveLawSelector,
	*constitutive_law_selector,
	ConstitutiveLawSelector &);

	/// Access the non_local_manager interface
	AKANTU_GET_MACRO(NonLocalManager, *non_local_manager, NonLocalManager &);

	/// Tells if the constitutive laws are non local
	auto isNonLocal() const { return static_cast<bool>(non_local_manager); }

	void setConstitutiveLawSelector(
	std::shared_ptr<ConstitutiveLawSelector> constitutive_law_selector) {
	this->constitutive_law_selector = std::move(constitutive_law_selector);
	}

	/* ------------------------------------------------------------------------ */
	/* Data Accessor inherited members */
	/* ------------------------------------------------------------------------ */
	public:
	Int getNbData(const Array<Element> & elements,
	const SynchronizationTag & tag) const override;

	void packData(CommunicationBuffer & buffer, const Array<Element> & elements,
	const SynchronizationTag & tag) const override;

	void unpackData(CommunicationBuffer & buffer, const Array<Element> & elements,
	const SynchronizationTag & tag) override;

	/* ------------------------------------------------------------------------ */
	/* Mesh Event Handler inherited members */
	/* ------------------------------------------------------------------------ */
	protected:
	void onElementsAdded(const Array<Element> & element_list,
	const NewElementsEvent & event) override;
	void onElementsRemoved(const Array<Element> & element_list,
	const ElementTypeMapArray<Idx> & new_numbering,
	const RemovedElementsEvent & event) override;

	/* ------------------------------------------------------------------------ */
	/* NonLocalManager inherited members */
	/* ------------------------------------------------------------------------ */
	protected:
	void initializeNonLocal() override;

	void updateDataForNonLocalCriterion(ElementTypeMapReal & criterion) override;

	void insertIntegrationPointsInNeighborhoods(GhostType ghost_type) override;

	/// update the values of the non local internal
	void updateLocalInternal(ElementTypeMapReal & internal_flat,
	GhostType ghost_type, ElementKind kind) override;

	/// copy the results of the averaging in the constitutive_laws
	void updateNonLocalInternal(ElementTypeMapReal & internal_flat,
	GhostType ghost_type, ElementKind kind) override;

	/* ------------------------------------------------------------------------ */
	/* Class Members */
	/* ------------------------------------------------------------------------ */
	protected:
	/// Type to use for the parser
	ParserType parser_type{ParserType::_constitutive_law};

	private:
	/// mapping between constitutive_law name and constitutive_law internal id
	std::map<std::string, Idx> constitutive_laws_names_to_id;

	/// Arrays containing the constitutive_law index for each element
	ElementTypeMapArray<Idx> constitutive_law_index;

	/// Arrays containing the position in the element filter of the
	/// constitutive_law (constitutive_law's local numbering)
	ElementTypeMapArray<Idx> constitutive_law_local_numbering;

	/// list of used constitutive_laws
	std::vector<std::unique_ptr<ConstitutiveLawType>> constitutive_laws;

	/// class defining of to choose a constitutive_law
	std::shared_ptr<ConstitutiveLawSelector> constitutive_law_selector;

	using flatten_internal_map = std::map<std::pair<std::string, ElementKind>,
	std::unique_ptr<ElementTypeMapBase>>;

	/// map a registered internals to be flattened for dump purposes
	flatten_internal_map registered_internals;

	/// tells if the constitutive_law are instantiated
	bool are_constitutive_laws_instantiated{false};

	/// non local manager
	std::unique_ptr<NonLocalManager> non_local_manager;

	template <class ConstitutiveLawsHandler> friend class ConstitutiveLaw;
	};

	} // namespace akantu

	#include "constitutive_laws_handler_tmpl.hh"

	#endif /* AKANTU_CONSTITUTIVE_LAWS_HANDLER_HH */

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