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constitutive_law.hh
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/**
* @file constitutive_law.hh
*
* @author Mohit Pundir <mohit.pundir@ethz.ch>
*
* @date creation: Mon May 2 2022
* @date last modification: Wed may 2 2022
*
* @brief Mother class for all constitutive laws
*
*
* @section LICENSE
*
* Copyright (©) 2018-2021 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 "aka_factory.hh"
#include "data_accessor.hh"
#include "parsable.hh"
#include "parser.hh"
/* -------------------------------------------------------------------------- */
#include "internal_field.hh"
#include "random_internal_field.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_CONSTITUTIVE_LAW_HH__
#define __AKANTU_CONSTITUTIVE_LAW_HH__
namespace akantu{
class Model;
class PoissonModel;
class ConstitutiveLaw;
} // namespace akantu
namespace akantu{
template <typename T>
using InternalConstitutiveLaw = InternalFieldTmpl<ConstitutiveLaw, T>;
using ConstitutiveLawFactory =
Factory<ConstitutiveLaw, ID, const ID &, PoissonModel &, const ID &>;
class ConstitutiveLaw : public DataAccessor<Element>, public Parsable {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ConstitutiveLaw(const ConstitutiveLaw & law) = delete;
ConstitutiveLaw & operator=(const ConstitutiveLaw & law) = delete;
/// Initialize constitutive law with defaults
ConstitutiveLaw(PoissonModel & model, const ID & id = "");
/// Initialize constitutive law with custom mesh & fe_engine
ConstitutiveLaw(PoissonModel & model, UInt dim, const Mesh & mesh,
FEEngine & fe_engine, const ID & id = "");
/// Destructor
~ConstitutiveLaw() override;
protected:
void initialize();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
template <typename T>
void registerInternal(InternalConstitutiveLaw<T> & /*vect*/) {
AKANTU_TO_IMPLEMENT();
}
template <typename T>
void unregisterInternal(InternalConstitutiveLaw<T> & /*vect*/) {
AKANTU_TO_IMPLEMENT();
}
/// initialize the constitutive law computed parameter
virtual void initConstitutiveLaw();
///
virtual void beforeSolveStep();
///
virtual void afterSolveStep(bool converged = true);
/// compute the fluxes for this constitutive law
virtual void computeAllFluxes(GhostType ghost_type = _not_ghost);
/// assemble the internal dof rate for this constitutive law
virtual void assembleInternalDofRate(GhostType ghost_type);
/// compute the stiffness matrix
virtual void assembleStiffnessMatrix(GhostType ghost_type);
/// add an element to the local mesh filter
inline UInt addElement(const ElementType & type, UInt element,
const GhostType & ghost_type);
inline UInt addElement(const Element & element);
/// add many elements at once
void addElements(const Array<Element> & elements_to_add);
/// remove many element at once
void removeElements(const Array<Element> & elements_to_remove);
/// get a constitutive law celerity to compute the stable time step
virtual Real getCelerity() const {
AKANTU_TO_IMPLEMENT();
}
/// get a effective capacity to assmble capacity matrix
virtual Real getEffectiveCapacity() const {
AKANTU_TO_IMPLEMENT();
}
/// function to print the contain of the class
void printself(std::ostream & stream, int indent = 0) const override;
protected:
/// resize the internals arrrays
virtual void resizeInternals();
/// function called to updatet the internal parameters when the
/// modifiable parameters are modified
virtual void updateInternalParameters() {
AKANTU_TO_IMPLEMENT();
}
/* ------------------------------------------------------------------------ */
/* Function that constitutive laws can/should reimplement */
/* ------------------------------------------------------------------------ */
protected:
/// compute flux
virtual void computeFlux(ElementType /* el_type */,
GhostType /* ghost_type */ = _not_ghost) {
AKANTU_TO_IMPLEMENT();
}
/// compute tangent modulii
virtual void computeTangentModuli(ElementType /*el_type*/,
Array<Real> & /*tangent_matrix*/,
GhostType /*ghost_type*/ = _not_ghost) {
AKANTU_TO_IMPLEMENT();
}
/* ------------------------------------------------------------------------ */
/* DataAccessor inherited members */
/* ------------------------------------------------------------------------ */
public:
inline UInt getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) override;
template <typename T>
inline void packElementDataHelper(const ElementTypeMapArray<T> & data_to_pack,
CommunicationBuffer & buffer,
const Array<Element> & elements,
const ID & fem_id = ID()) const;
template <typename T>
inline void unpackElementDataHelper(ElementTypeMapArray<T> & data_to_unpack,
CommunicationBuffer & buffer,
const Array<Element> & elements,
const ID & fem_id = ID());
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO(Name, name, const std::string &);
AKANTU_SET_MACRO(Name, name, const std::string &);
AKANTU_GET_MACRO(Model, model, const PoissonModel &)
AKANTU_GET_MACRO(ID, id, const ID &);
AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(ElementFilter, element_filter, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(FluxDof, flux_dof, Real);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(GradientDof, gradient_dof, Real);
AKANTU_GET_MACRO(GradientDof, gradient_dof, const ElementTypeMapArray<Real> &);
AKANTU_GET_MACRO(FluxDof, flux_dof, const ElementTypeMapArray<Real> &);
AKANTU_GET_MACRO(ElementFilter, element_filter,
const ElementTypeMapArray<UInt> &);
AKANTU_GET_MACRO(FEEngine, fem, FEEngine &);
template <typename T>
const Array<T> & getArray(const ID & id, ElementType type,
GhostType ghost_type = _not_ghost) const;
template <typename T>
Array<T> & getArray(const ID & id, ElementType type,
GhostType ghost_type = _not_ghost);
template <typename T>
const InternalConstitutiveLaw<T> & getInternal(const ID & id) const;
template <typename T> InternalConstitutiveLaw<T> & getInternal(const ID & id);
template <typename T>
inline bool isInternal(const ID & id, const ElementKind & element_kind) const;
template <typename T>
ElementTypeMap<UInt> getInternalDataPerElem(const ID & id,
ElementKind element_kind) const;
template <typename T> inline void setParam(const ID & param, T value);
inline const Parameter & getParam(const ID & param) const;
template <typename T>
void flattenInternal(const std::string & field_id,
ElementTypeMapArray<T> & internal_flat,
GhostType ghost_type = _not_ghost,
ElementKind element_kind = _ek_not_defined) const;
bool hasMatrixChanged(const ID & id) {
if (id == "K") {
return hasStiffnessMatrixChanged();
}
return true;
}
MatrixType getMatrixType(const ID & id) {
if (id == "K" or id == "M") {
return _symmetric;
}
return _mt_not_defined;
}
/// static method to retreive the constitutive law factory
static ConstitutiveLawFactory & getFactory();
/// specify if the matrix need to be recomputed for this
/// constitutive law
virtual bool hasStiffnessMatrixChanged() { return true; }
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// boolean to know if the material has been initialized
bool is_init;
std::map<ID, InternalConstitutiveLaw<Real> *> internal_vectors_real;
std::map<ID, InternalConstitutiveLaw<UInt> *> internal_vectors_uint;
std::map<ID, InternalConstitutiveLaw<bool> *> internal_vectors_bool;
protected:
ID id;
/// Link to the fem object in the model
FEEngine & fem;
/// phasefield name
std::string name;
/// The model to whch the constitutive Law belong
PoissonModel & model;
/// spatial dimension
UInt spatial_dimension;
/// list of element handled by the constitutive law
ElementTypeMapArray<UInt> element_filter;
/// fluxes arrays ordered by element types
InternalConstitutiveLaw<Real> flux_dof;
/// gradient of dof arrays ordered by element types
InternalConstitutiveLaw<Real> gradient_dof;
/// vector that contains the names of all the internals that need to
/// be transferred when constitutive law interfaces move
std::vector<ID> internals_to_transfer;
};
/// standard output stream operator
inline std::ostream & operator<<(std::ostream & stream,
const ConstitutiveLaw & _this) {
_this.printself(stream);
return stream;
}
} // namespace akantu
#include "constitutive_law_inline_impl.hh"
#include "internal_field_tmpl.hh"
#include "random_internal_field_tmpl.hh"
/* -------------------------------------------------------------------------- */
#define CONSTITUTIVE_LAW_DEFAULT_ALLOCATOR(id, law_name) \
[](const ID &, PoissonModel & model, \
const ID & id) -> std::unique_ptr<ConstitutiveLaw> { \
return std::make_unique<law_name>(model, id); \
}
#define INSTANTIATE_CONSTITUTIVE_LAW(id, law_name) \
static bool constitutive_law_is_alocated_##id [[gnu::unused]] = \
ConstitutiveLawFactory::getInstance().registerAllocator( \
#id, CONSTITUTIVE_LAW_DEFAULT_ALLOCATOR(id, law_name))
#endif

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