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rAKA/src/model/phase_field/phasefield_selector.hh
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phasefield_selector.hh
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/**
* @file phasefield_selector.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Sun Mar 1 2020
* @date last modification: Sun Mar 1 2020
*
* @brief class describing how to choose a phasefield variable
* function for a given element
*
* @section LICENSE
*
* Copyright (©) 2014-2018 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__ */
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