This class implements a system for quasi-static analysis of nonlinear structures. More...

#include <structural_system.h>

Inheritance diagram for MAST::StructuralSystem:

Collaboration diagram for MAST::StructuralSystem:

Public Member Functions
	StructuralSystem (libMesh::EquationSystems &es, const std::string &name, const unsigned int number)
	Default constructor. More...

virtual	~StructuralSystem ()

void	set_load_parameter (MAST::Parameter &param, Real min_p, Real max_p)
	sets the laod parameter for incrementing More...

virtual void	clear () libmesh_override
	Clear all the data structures associated with the system. More...

virtual void	solve (MAST::AssemblyElemOperations &elem_ops, MAST::AssemblyBase &assembly) libmesh_override
	Assembles & solves the nonlinear system R(x) = 0. More...

Public Member Functions inherited from MAST::NonlinearSystem
	NonlinearSystem (libMesh::EquationSystems &es, const std::string &name, const unsigned int number)
	Default constructor. More...

virtual	~NonlinearSystem ()

MAST::NonlinearSystem::Operation	operation ()

void	set_operation (MAST::NonlinearSystem::Operation op)
	sets the current operation of the system More...

void	set_init_B_matrix ()
	flag to also initialize the B matrix. More...

virtual void	reinit () libmesh_override
	Reinitializes the member data fields associated with the system, so that, e.g., `assemble()` may be used. More...

virtual std::pair< unsigned int, Real >	get_linear_solve_parameters ()
	calls NonlinearImplicitSystem::set_solver_parameters() before accessing the values. More...

virtual void	sensitivity_solve (MAST::AssemblyElemOperations &elem_ops, MAST::AssemblyBase &assembly, const MAST::FunctionBase &p, bool if_assemble_jacobian=true)
	Solves the sensitivity problem for the provided parameter. More...

virtual void	adjoint_solve (MAST::AssemblyElemOperations &elem_ops, MAST::OutputAssemblyElemOperations &output, MAST::AssemblyBase &assembly, bool if_assemble_jacobian=true)
	solves the adjoint problem for the provided output function. More...

virtual void	eigenproblem_solve (MAST::AssemblyElemOperations &elem_ops, MAST::EigenproblemAssembly &assembly)
	Assembles & solves the eigen system. More...

virtual void	eigenproblem_sensitivity_solve (MAST::AssemblyElemOperations &elem_ops, MAST::EigenproblemAssembly &assembly, const MAST::FunctionBase &f, std::vector< Real > &sens, const std::vector< unsigned int > *indices=nullptr)
	Solves the sensitivity system, for the provided parameters. More...

virtual void	get_eigenvalue (unsigned int i, Real &re, Real &im)
	gets the real and imaginary parts of the ith eigenvalue for the eigenproblem ${\bf A} {\bf x} = \lambda {\bf B} {\bf x}$ , and the associated eigenvector. More...

virtual void	get_eigenpair (unsigned int i, Real &re, Real &im, libMesh::NumericVector< Real > &vec_re, libMesh::NumericVector< Real > *vec_im=nullptr)
	gets the real and imaginary parts of the ith eigenvalue for the eigenproblem ${\bf A} {\bf x} = \lambda {\bf B} {\bf x}$ , and the associated eigenvector. More...

void	set_exchange_A_and_B (bool flag)
	sets the flag to exchange the A and B matrices for a generalized eigenvalue problem. More...

void	set_n_requested_eigenvalues (unsigned int n)
	sets the number of eigenvalues requested More...

unsigned int	get_n_converged_eigenvalues () const

unsigned int	get_n_requested_eigenvalues () const

unsigned int	get_n_iterations () const

void	set_eigenproblem_type (libMesh::EigenProblemType ept)
	Sets the type of the current eigen problem. More...

libMesh::EigenProblemType	get_eigenproblem_type () const

bool	generalized () const

void	initialize_condensed_dofs (MAST::PhysicsDisciplineBase &physics)
	Loop over the dofs on each processor to initialize the list of non-condensed dofs. More...

unsigned int	n_global_non_condensed_dofs () const

void	write_out_vector (libMesh::NumericVector< Real > &vec, const std::string &directory_name, const std::string &data_name, const bool write_binary_vectors)
	writes the specified vector with the specified name in a directory. More...

void	read_in_vector (libMesh::NumericVector< Real > &vec, const std::string &directory_name, const std::string &data_name, const bool read_binary_vectors)
	reads the specified vector with the specified name in a directory. More...

void	project_vector_without_dirichlet (libMesh::NumericVector< Real > &new_vector, libMesh::FunctionBase< Real > &f) const

Protected Attributes
unsigned int	_iter
	iteration counter More...

Real	_beta
	value of beta that scales the external load vector in the constrain More...

Real	_dl
	value of update length More...

MAST::Parameter *	_load_param
	load parameter that is updated by this solution procedure More...

Real	_min_p
	maximum and minimum values of the parameter More...

Real	_max_p

Protected Attributes inherited from MAST::NonlinearSystem
bool	_initialize_B_matrix
	initialize the B matrix in addition to A, which might be needed for solution of complex system of equations using PC field split More...

bool	_condensed_dofs_initialized
	A private flag to indicate whether the condensed dofs have been initialized. More...

unsigned int	_n_requested_eigenpairs
	The number of requested eigenpairs. More...

bool	_exchange_A_and_B
	flag to exchange the A and B matrices in the eigenproblem solution More...

unsigned int	_n_converged_eigenpairs
	The number of converged eigenpairs. More...

unsigned int	_n_iterations
	The number of iterations of the eigen solver algorithm. More...

bool	_is_generalized_eigenproblem
	A boolean flag to indicate whether we are dealing with a generalized eigenvalue problem. More...

libMesh::EigenProblemType	_eigen_problem_type
	The type of the eigenvalue problem. More...

MAST::NonlinearSystem::Operation	_operation
	current operation of the system More...

std::vector< libMesh::dof_id_type >	_local_non_condensed_dofs_vector
	Vector storing the local dof indices that will not be condensed. More...

Additional Inherited Members
Public Types inherited from MAST::NonlinearSystem
enum	Operation { NONLINEAR_SOLVE, EIGENPROBLEM_SOLVE, FORWARD_SENSITIVITY_SOLVE, ADJOINT_SOLVE, NONE }

Public Attributes inherited from MAST::NonlinearSystem
libMesh::SparseMatrix< Real > *	matrix_A
	The system matrix for standard eigenvalue problems. More...

libMesh::SparseMatrix< Real > *	matrix_B
	A second system matrix for generalized eigenvalue problems. More...

std::unique_ptr< MAST::SlepcEigenSolver >	eigen_solver
	The EigenSolver, definig which interface, i.e solver package to use. More...

std::unique_ptr< libMesh::LinearSolver< Real > >	linear_solver
	The LinearSolver for solution of the linear equations. More...

Protected Member Functions inherited from MAST::NonlinearSystem
virtual void	init_data () libmesh_override
	Initializes the member data fields associated with the system, so that, e.g., `assemble()` may be used. More...

void	set_n_converged (unsigned int nconv)
	Set the _n_converged_eigenpairs member, useful for subclasses of EigenSystem. More...

void	set_n_iterations (unsigned int its)
	Set the _n_iterations member, useful for subclasses of EigenSystem. More...

Detailed Description

This class implements a system for quasi-static analysis of nonlinear structures.

Definition at line 45 of file structural_system.h.

Constructor & Destructor Documentation

MAST::StructuralSystem::StructuralSystem	(	libMesh::EquationSystems &	es,
		const std::string &	name,
		const unsigned int	number
	)

Default constructor.

Definition at line 35 of file structural_system.cpp.

MAST::StructuralSystem::~StructuralSystem ( )

virtual

Definition at line 50 of file structural_system.cpp.

Member Function Documentation

void MAST::StructuralSystem::clear ( )

virtual

Clear all the data structures associated with the system.

Reimplemented from MAST::NonlinearSystem.

Definition at line 72 of file structural_system.cpp.

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void MAST::StructuralSystem::set_load_parameter	(	MAST::Parameter &	param,
		Real	min_p,
		Real	max_p
	)

sets the laod parameter for incrementing

Definition at line 57 of file structural_system.cpp.

void MAST::StructuralSystem::solve	(	MAST::AssemblyElemOperations &	elem_ops,
		MAST::AssemblyBase &	assembly
	)

virtual

Assembles & solves the nonlinear system R(x) = 0.

Reimplemented from MAST::NonlinearSystem.

Definition at line 85 of file structural_system.cpp.

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Member Data Documentation

Real MAST::StructuralSystem::_beta

protected

value of beta that scales the external load vector in the constrain

Definition at line 95 of file structural_system.h.

Real MAST::StructuralSystem::_dl

protected

value of update length

Definition at line 101 of file structural_system.h.

unsigned int MAST::StructuralSystem::_iter

protected

iteration counter

Definition at line 89 of file structural_system.h.

MAST::Parameter* MAST::StructuralSystem::_load_param

protected

load parameter that is updated by this solution procedure

Definition at line 107 of file structural_system.h.

Real MAST::StructuralSystem::_max_p

protected

Definition at line 113 of file structural_system.h.

Real MAST::StructuralSystem::_min_p

protected

maximum and minimum values of the parameter

Definition at line 113 of file structural_system.h.

The documentation for this class was generated from the following files:

/home/travis/build/MASTmultiphysics/mast-multiphysics/src/elasticity/structural_system.h
/home/travis/build/MASTmultiphysics/mast-multiphysics/src/elasticity/structural_system.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation