#include <SystemAssembler.h>

Inheritance diagram for dolfin::SystemAssembler:

Collaboration diagram for dolfin::SystemAssembler:

Public Member Functions
	SystemAssembler (std::shared_ptr< const Form > a, std::shared_ptr< const Form > L, std::vector< std::shared_ptr< const DirichletBC > > bcs)
	Constructor.

	SystemAssembler (std::vector< std::shared_ptr< const Form > > a, std::vector< std::shared_ptr< const Form > > L, std::vector< std::vector< std::shared_ptr< const DirichletBC > > > bcs)

	SystemAssembler (std::vector< std::shared_ptr< const Form > > a, std::vector< std::shared_ptr< const Form > > L, std::vector< std::shared_ptr< const DirichletBC > > bcs0, std::vector< std::shared_ptr< const DirichletBC > > bcs1)

void	assemble (GenericMatrix &A, GenericVector &b)
	Assemble system (A, b)

void	assemble (GenericMatrix &A)
	Assemble matrix A.

void	assemble (GenericVector &b)
	Assemble vector b.

void	assemble (GenericMatrix &A, GenericVector &b, const GenericVector &x0)

void	assemble (GenericVector &b, const GenericVector &x0)

void	assemble (std::vector< std::shared_ptr< GenericMatrix > > A, std::vector< std::shared_ptr< GenericVector > > b)
	Assemble row of matrices and associated RHS vector.

Public Member Functions inherited from dolfin::AssemblerBase
	AssemblerBase ()
	Constructor.

void	init_global_tensor (GenericTensor &A, const Form &a)

Additional Inherited Members
Public Attributes inherited from dolfin::AssemblerBase
bool	add_values

bool	finalize_tensor

bool	keep_diagonal

Static Protected Member Functions inherited from dolfin::AssemblerBase
static void	check (const Form &a)
	Check form.

static std::string	progress_message (std::size_t rank, std::string integral_type)
	Pretty-printing for progress bar.

Detailed Description

This class provides an assembler for systems of the form Ax = b. It differs from the default DOLFIN assembler in that it applies boundary conditions at the time of assembly, which preserves any symmetries in A.

Constructor & Destructor Documentation

◆ SystemAssembler() [1/2]

SystemAssembler::SystemAssembler	(	std::vector< std::shared_ptr< const Form > >	a,
		std::vector< std::shared_ptr< const Form > >	L,
		std::vector< std::vector< std::shared_ptr< const DirichletBC > > >	bcs
	)

Constructor with multiple LHS forms, matching a common RHS form with BCs defined for the column space of each LHS form

◆ SystemAssembler() [2/2]

SystemAssembler::SystemAssembler	(	std::vector< std::shared_ptr< const Form > >	a,
		std::vector< std::shared_ptr< const Form > >	L,
		std::vector< std::shared_ptr< const DirichletBC > >	bcs0,
		std::vector< std::shared_ptr< const DirichletBC > >	bcs1
	)

FIXME: Constructor with two sets of BCs (for 2x2 system) Need to figure out how to wrap vector<vector<shared_ptr<TYPE>>> in SWIG

Member Function Documentation

◆ assemble() [1/2]

void SystemAssembler::assemble	(	GenericMatrix &	A,
		GenericVector &	b,
		const GenericVector &	x0
	)

Assemble system (A, b) for (negative) increment dx, where x = x0 - dx is solution to system a == -L subject to bcs. Suitable for use inside a (quasi-)Newton solver.

◆ assemble() [2/2]

void SystemAssembler::assemble	(	GenericVector &	b,
		const GenericVector &	x0
	)

Assemble rhs vector b for (negative) increment dx, where x = x0 - dx is solution to system a == -L subject to bcs. Suitable for use inside a (quasi-)Newton solver.

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

/build/reproducible-path/dolfin-2019.2.0~legacy20240219.1c52e83/dolfin/fem/SystemAssembler.h
/build/reproducible-path/dolfin-2019.2.0~legacy20240219.1c52e83/dolfin/fem/SystemAssembler.cpp

Public Member Functions