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/**
* @file dof_manager.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Wed Jul 22 11:43:43 2015
*
* @brief Class handling the different types of dofs
*
* @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 "aka_memory.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#include <map>
#include <set>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_DOF_MANAGER_HH__
#define __AKANTU_DOF_MANAGER_HH__
namespace akantu {
class TermsToAssemble;
class NonLinearSolver;
class TimeStepSolver;
class SparseMatrix;
}
namespace akantu {
class DOFManager : protected Memory, protected MeshEventHandler {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DOFManager(const ID & id = "dof_manager", const MemoryID & memory_id = 0);
DOFManager(Mesh & mesh, const ID & id = "dof_manager", const MemoryID & memory_id = 0);
virtual ~DOFManager();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
private:
/// common function to help registering dofs
void registerDOFsInternal(const ID & dof_id, Array<Real> & dofs_array);
public:
/// register an array of degree of freedom
virtual void registerDOFs(const ID & dof_id, Array<Real> & dofs_array,
const DOFSupportType & support_type);
/// the dof as an implied type of _dst_nodal and is defined only on a subset
/// of nodes
virtual void registerDOFs(const ID & dof_id, Array<Real> & dofs_array,
const ID & group_support);
/// register an array of previous values of the degree of freedom
virtual void registerDOFsPrevious(const ID & dof_id,
Array<Real> & dofs_array);
/// register an array of increment of degree of freedom
virtual void registerDOFsIncrement(const ID & dof_id,
Array<Real> & dofs_array);
/// register an array of derivatives for a particular dof array
virtual void registerDOFsDerivative(const ID & dof_id, UInt order,
Array<Real> & dofs_derivative);
/// register array representing the blocked degree of freedoms
virtual void registerBlockedDOFs(const ID & dof_id,
Array<bool> & blocked_dofs);
/// Assemble an array to the global residual array
virtual void assembleToResidual(const ID & dof_id,
const Array<Real> & array_to_assemble,
Real scale_factor = 1.) = 0;
/// Assemble an array to the global lumped matrix array
virtual void assembleToLumpedMatrix(const ID & dof_id,
const Array<Real> & array_to_assemble,
const ID & lumped_mtx,
Real scale_factor = 1.) = 0;
/**
* Assemble elementary values to a local array of the size nb_nodes *
* nb_dof_per_node. The dof number is implicitly considered as
* conn(el, n) * nb_nodes_per_element + d.
* With 0 < n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
virtual void assembleElementalArrayLocalArray(
const Array<Real> & elementary_vect, Array<Real> & array_assembeled,
const ElementType & type, const GhostType & ghost_type,
Real scale_factor = 1.,
const Array<UInt> & filter_elements = empty_filter);
/**
* Assemble elementary values to the global residual array. The dof number is
* implicitly considered as conn(el, n) * nb_nodes_per_element + d.
* With 0 < n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
virtual void assembleElementalArrayToResidual(
const ID & dof_id, const Array<Real> & elementary_vect,
const ElementType & type, const GhostType & ghost_type,
Real scale_factor = 1.,
const Array<UInt> & filter_elements = empty_filter);
/**
* Assemble elementary values to a global array corresponding to a lumped
* matrix
*/
virtual void assembleElementalArrayToLumpedMatrix(
const ID & dof_id, const Array<Real> & elementary_vect,
const ID & lumped_mtx, const ElementType & type,
const GhostType & ghost_type, Real scale_factor = 1.,
const Array<UInt> & filter_elements = empty_filter);
/**
* Assemble elementary values to the global residual array. The dof number is
* implicitly considered as conn(el, n) * nb_nodes_per_element + d. With 0 <
* n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
virtual void assembleElementalMatricesToMatrix(
const ID & matrix_id, const ID & dof_id,
const Array<Real> & elementary_mat, const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const MatrixType & elemental_matrix_type = _symmetric,
const Array<UInt> & filter_elements = empty_filter) = 0;
/// multiply a vector by a matrix and assemble the result to the residual
virtual void assembleMatMulVectToResidual(const ID & dof_id, const ID & A_id,
const Array<Real> & x,
Real scale_factor = 1) = 0;
/// multiply a vector by a lumped matrix and assemble the result to the
/// residual
virtual void assembleLumpedMatMulVectToResidual(const ID & dof_id,
const ID & A_id,
const Array<Real> & x,
Real scale_factor = 1) = 0;
/// assemble coupling terms between to dofs
virtual void assemblePreassembledMatrix(const ID & dof_id_m,
const ID & dof_id_n,
const ID & matrix_id,
const TermsToAssemble & terms) = 0;
/// sets the residual to 0
virtual void clearResidual() = 0;
/// sets the matrix to 0
virtual void clearMatrix(const ID & mtx) = 0;
/// sets the lumped matrix to 0
virtual void clearLumpedMatrix(const ID & mtx) = 0;
/// splits the solution storage from a global view to the per dof storages
void splitSolutionPerDOFs();
/// extract a lumped matrix part corresponding to a given dof
virtual void getLumpedMatrixPerDOFs(const ID & dof_id, const ID & lumped_mtx,
Array<Real> & lumped) = 0;
protected:
/// minimum functionality to implement per derived version of the DOFManager
/// to allow the splitSolutionPerDOFs function to work
virtual void getSolutionPerDOFs(const ID & dof_id,
Array<Real> & solution_array) = 0;
protected:
/* ------------------------------------------------------------------------ */
/// register a matrix
SparseMatrix & registerSparseMatrix(const ID & matrix_id, std::unique_ptr<SparseMatrix> & matrix);
/// register a non linear solver instantiated by a derived class
NonLinearSolver & registerNonLinearSolver(const ID & non_linear_solver_id,
std::unique_ptr<NonLinearSolver> & non_linear_solver);
/// register a time step solver instantiated by a derived class
TimeStepSolver & registerTimeStepSolver(const ID & time_step_solver_id,
std::unique_ptr<TimeStepSolver> & time_step_solver);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// Get the equation numbers corresponding to a dof_id. This might be used to
/// access the matrix.
virtual void getEquationsNumbers(const ID & dof_id,
Array<UInt> & equation_numbers);
/// Global number of dofs
AKANTU_GET_MACRO(SystemSize, this->system_size, UInt);
/// Local number of dofs
AKANTU_GET_MACRO(LocalSystemSize, this->local_system_size, UInt);
/// Retrieve all the registered DOFs
std::vector<ID> getDOFIDs() const;
/* ------------------------------------------------------------------------ */
/* DOFs and derivatives accessors */
/* ------------------------------------------------------------------------ */
/// Get a reference to the registered dof array for a given id
inline Array<Real> & getDOFs(const ID & dofs_id);
/// Get the support type of a given dof
inline DOFSupportType getSupportType(const ID & dofs_id) const;
/// are the dofs registered
inline bool hasDOFs(const ID & dofs_id) const;
/// Get a reference to the registered dof derivatives array for a given id
inline Array<Real> & getDOFsDerivatives(const ID & dofs_id, UInt order);
/// Does the dof has derivatives
inline bool hasDOFsDerivatives(const ID & dofs_id, UInt order) const;
/// Get a reference to the blocked dofs array registered for the given id
inline const Array<bool> & getBlockedDOFs(const ID & dofs_id) const;
/// Does the dof has a blocked array
inline bool hasBlockedDOFs(const ID & dofs_id) const;
/// Get a reference to the registered dof increment array for a given id
inline Array<Real> & getDOFsIncrement(const ID & dofs_id);
/// Does the dof has a increment array
inline bool hasDOFsIncrement(const ID & dofs_id) const;
/// Does the dof has a previous array
inline Array<Real> & getPreviousDOFs(const ID & dofs_id);
/// Get a reference to the registered dof array for previous step values a
/// given id
inline bool hasPreviousDOFs(const ID & dofs_id) const;
/// saves the values from dofs to previous dofs
virtual void savePreviousDOFs(const ID & dofs_id);
/// Get a reference to the solution array registered for the given id
inline const Array<Real> & getSolution(const ID & dofs_id) const;
/* ------------------------------------------------------------------------ */
/* Matrices accessors */
/* ------------------------------------------------------------------------ */
/// Get an instance of a new SparseMatrix
virtual SparseMatrix & getNewMatrix(const ID & matrix_id,
const MatrixType & matrix_type) = 0;
/// Get an instance of a new SparseMatrix as a copy of the SparseMatrix
/// matrix_to_copy_id
virtual SparseMatrix & getNewMatrix(const ID & matrix_id,
const ID & matrix_to_copy_id) = 0;
/// Get the reference of an existing matrix
SparseMatrix & getMatrix(const ID & matrix_id);
/// check if the given matrix exists
bool hasMatrix(const ID & matrix_id) const;
/// Get an instance of a new lumped matrix
virtual Array<Real> & getNewLumpedMatrix(const ID & matrix_id);
/// Get the lumped version of a given matrix
const Array<Real> & getLumpedMatrix(const ID & matrix_id) const;
/// Get the lumped version of a given matrix
Array<Real> & getLumpedMatrix(const ID & matrix_id);
/// check if the given matrix exists
bool hasLumpedMatrix(const ID & matrix_id) const;
/* ------------------------------------------------------------------------ */
/* Non linear system solver */
/* ------------------------------------------------------------------------ */
/// Get instance of a non linear solver
virtual NonLinearSolver & getNewNonLinearSolver(
const ID & nls_solver_id,
const NonLinearSolverType & _non_linear_solver_type) = 0;
/// get instance of a non linear solver
virtual NonLinearSolver & getNonLinearSolver(const ID & nls_solver_id);
/// check if the given solver exists
bool hasNonLinearSolver(const ID & solver_id) const;
/* ------------------------------------------------------------------------ */
/* Time-Step Solver */
/* ------------------------------------------------------------------------ */
/// Get instance of a time step solver
virtual TimeStepSolver &
getNewTimeStepSolver(const ID & time_step_solver_id,
const TimeStepSolverType & type,
NonLinearSolver & non_linear_solver) = 0;
/// get instance of a time step solver
virtual TimeStepSolver & getTimeStepSolver(const ID & time_step_solver_id);
/// check if the given solver exists
bool hasTimeStepSolver(const ID & solver_id) const;
/* ------------------------------------------------------------------------ */
const Mesh & getMesh() {
if (mesh) {
return *mesh;
} else {
AKANTU_EXCEPTION("No mesh registered in this dof manager");
}
}
/* ------------------------------------------------------------------------ */
AKANTU_GET_MACRO(Communicator, communicator, const StaticCommunicator &);
/* ------------------------------------------------------------------------ */
/* MeshEventHandler interface */
/* ------------------------------------------------------------------------ */
private:
/// fills the nodes_to_elements structure
void fillNodesToElements();
public:
/// function to implement to react on akantu::NewNodesEvent
virtual void onNodesAdded(const Array<UInt> & nodes_list,
const NewNodesEvent & event);
/// function to implement to react on akantu::RemovedNodesEvent
virtual void onNodesRemoved(const Array<UInt> & nodes_list,
const Array<UInt> & new_numbering,
const RemovedNodesEvent & event);
/// function to implement to react on akantu::NewElementsEvent
virtual void onElementsAdded(const Array<Element> & elements_list,
const NewElementsEvent & event);
/// function to implement to react on akantu::RemovedElementsEvent
virtual void
onElementsRemoved(const Array<Element> & elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event);
/// function to implement to react on akantu::ChangedElementsEvent
virtual void
onElementsChanged(const Array<Element> & old_elements_list,
const Array<Element> & new_elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const ChangedElementsEvent & event);
protected:
struct DOFData;
inline DOFData & getDOFData(const ID & dof_id);
inline const DOFData & getDOFData(const ID & dof_id) const;
template <class _DOFData>
inline _DOFData & getDOFDataTyped(const ID & dof_id);
template <class _DOFData>
inline const _DOFData & getDOFDataTyped(const ID & dof_id) const;
virtual DOFData & getNewDOFData(const ID & dof_id);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// dof representations in the dof manager
struct DOFData {
DOFData() = delete;
explicit DOFData(const ID & dof_id);
virtual ~DOFData();
/// DOF support type (nodal, general) this is needed to determine how the
/// dof are shared among processors
DOFSupportType support_type;
ID group_support;
/// Degree of freedom array
Array<Real> * dof;
/// Blocked degree of freedoms array
Array<bool> * blocked_dofs;
/// Degree of freedoms increment
Array<Real> * increment;
/// Degree of freedoms at previous step
Array<Real> * previous;
/// Solution associated to the dof
Array<Real> solution;
/// local numbering equation numbers
Array<UInt> local_equation_number;
/* ---------------------------------------------------------------------- */
/* data for dynamic simulations */
/* ---------------------------------------------------------------------- */
/// Degree of freedom derivatives arrays
std::vector<Array<Real> *> dof_derivatives;
};
using NodesToElements = std::vector<std::unique_ptr<std::set<Element>>>;
/// This info is stored to simplify the dynamic changes
NodesToElements nodes_to_elements;
/// type to store dofs information
using DOFStorage = std::map<ID, std::unique_ptr<DOFData>>;
/// type to store all the matrices
using SparseMatricesMap = std::map<ID, std::unique_ptr<SparseMatrix>>;
/// type to store all the lumped matrices
using LumpedMatricesMap = std::map<ID, std::unique_ptr<Array<Real>>>;
/// type to store all the non linear solver
using NonLinearSolversMap = std::map<ID, std::unique_ptr<NonLinearSolver>>;
/// type to store all the time step solver
using TimeStepSolversMap = std::map<ID, std::unique_ptr<TimeStepSolver>>;
/// store a reference to the dof arrays
DOFStorage dofs;
/// list of sparse matrices that where created
SparseMatricesMap matrices;
/// list of lumped matrices
LumpedMatricesMap lumped_matrices;
/// non linear solvers storage
NonLinearSolversMap non_linear_solvers;
/// time step solvers storage
TimeStepSolversMap time_step_solvers;
/// reference to the underlying mesh
Mesh * mesh;
/// Total number of degrees of freedom (size with the ghosts)
UInt local_system_size;
/// Number of purely local dofs (size without the ghosts)
UInt pure_local_system_size;
/// Total number of degrees of freedom
UInt system_size;
/// Communicator used for this manager, should be the same as in the mesh if a
/// mesh is registered
const StaticCommunicator & communicator;
};
} // akantu
#include "dof_manager_inline_impl.cc"
#endif /* __AKANTU_DOF_MANAGER_HH__ */
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