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fluid_diffusion

phasefield_selector.hh
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			/**
			* @file phasefield_selector.hh
			*
			* @author Mohit Pundir <mohit.pundir@epfl.ch>
			*
			* @date creation: Wed Nov 13 2013
			* @date last modification: Fri May 14 2021
			*
			* @brief class describing how to choose a phasefield variable
			* function for a given element
			*
			*
			* @section LICENSE
			*
			* Copyright (©) 2014-2021 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 "element.hh"
			#include "mesh.hh"
			/* -------------------------------------------------------------------------- */
			#include <memory>
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_PHASEFIELD_SELECTOR_HH__
			#define __AKANTU_PHASEFIELD_SELECTOR_HH__

			namespace akantu {
			class PhaseFieldModel;
			} // namespace akantu

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

			/**
			* main class to assign same or different phasefield constitutive laws to
			* different elements
			*/
			class PhaseFieldSelector
			: public std::enable_shared_from_this<PhaseFieldSelector> {
			public:
			PhaseFieldSelector() = default;
			virtual ~PhaseFieldSelector() = default;
			virtual inline UInt operator()(const Element & element) {
			if (fallback_selector) {
			return (*fallback_selector)(element);
			}

			return fallback_value;
			}

			inline void setFallback(UInt f) { fallback_value = f; }
			inline void
			setFallback(const std::shared_ptr<PhaseFieldSelector> & fallback_selector) {
			this->fallback_selector = fallback_selector;
			}

			inline void setFallback(PhaseFieldSelector & fallback_selector) {
			this->fallback_selector = fallback_selector.shared_from_this();
			}

			inline std::shared_ptr<PhaseFieldSelector> & getFallbackSelector() {
			return this->fallback_selector;
			}

			inline UInt getFallbackValue() const { return this->fallback_value; }

			protected:
			UInt fallback_value{0};
			std::shared_ptr<PhaseFieldSelector> fallback_selector;
			};

			/* -------------------------------------------------------------------------- */
			/**
			* class that assigns the first phasefield to regular elements by default
			*/
			class DefaultPhaseFieldSelector : public PhaseFieldSelector {
			public:
			explicit DefaultPhaseFieldSelector(
			const ElementTypeMapArray<UInt> & phasefield_index)
			: phasefield_index(phasefield_index) {}

			UInt operator()(const Element & element) override {
			if (not phasefield_index.exists(element.type, element.ghost_type)) {
			return PhaseFieldSelector::operator()(element);
			}

			const auto & phase_indexes =
			phasefield_index(element.type, element.ghost_type);
			if (element.element < phase_indexes.size()) {
			auto && tmp_phase = phase_indexes(element.element);
			if (tmp_phase != UInt(-1)) {
			return tmp_phase;
			}
			}

			return PhaseFieldSelector::operator()(element);
			}

			private:
			const ElementTypeMapArray<UInt> & phasefield_index;
			};

			/* -------------------------------------------------------------------------- */
			/**
			* Use elemental data to assign phasefields
			*/
			template <typename T>
			class ElementDataPhaseFieldSelector : public PhaseFieldSelector {
			public:
			ElementDataPhaseFieldSelector(const ElementTypeMapArray<T> & element_data,
			const PhaseFieldModel & model,
			UInt first_index = 1)
			: element_data(element_data), model(model), first_index(first_index) {}

			inline T elementData(const Element & element) {
			DebugLevel dbl = debug::getDebugLevel();
			debug::setDebugLevel(dblError);
			T data = element_data(element.type, element.ghost_type)(element.element);
			debug::setDebugLevel(dbl);
			return data;
			}

			inline UInt operator()(const Element & element) override {
			return PhaseFieldSelector::operator()(element);
			}

			protected:
			/// list of element with the specified data (i.e. tag value)
			const ElementTypeMapArray<T> & element_data;

			/// the model that the materials belong
			const PhaseFieldModel & model;

			/// first phasefield index: equal to 1 if none specified
			UInt first_index;
			};

			/* -------------------------------------------------------------------------- */
			/**
			* class to use mesh data information to assign different phasefields
			* where name is the tag value: tag_0, tag_1
			*/
			template <typename T>
			class MeshDataPhaseFieldSelector : public ElementDataPhaseFieldSelector<T> {
			public:
			MeshDataPhaseFieldSelector(const std::string & name,
			const PhaseFieldModel & model,
			UInt first_index = 1);
			};

			} // namespace akantu

			#endif /* __AKANTU_PHASEFIELD_SELECTOR_HH__ */

rAKA/src/model/phase_field/phasefield_selector.hhbf256d3a02cdfeatures/fluid_diffusion

phasefield_selector.hhView Options

rAKA/src/model/phase_field/phasefield_selector.hh
bf256d3a02cdfeatures/fluid_diffusion

phasefield_selector.hh
View Options