IBAMR::DirectMobilitySolver Class Reference

Class DirectMobilitySolver solves the mobility and body-mobility sub-problem by employing direct solvers. More...

#include </home/runner/work/IBAMR/IBAMR/include/ibamr/DirectMobilitySolver.h>

Inheritance diagram for IBAMR::DirectMobilitySolver:

Public Member Functions
	DirectMobilitySolver (std::string object_name, SAMRAI::tbox::Pointer< SAMRAI::tbox::Database > input_db, SAMRAI::tbox::Pointer< IBAMR::CIBStrategy > cib_strategy)
	The only constructor of this class.
virtual	~DirectMobilitySolver ()
	Destructor for this class.
void	registerMobilityMat (const std::string &mat_name, const unsigned prototype_struct_id, MobilityMatrixType mat_type, std::pair< MobilityMatrixInverseType, MobilityMatrixInverseType > inv_type, const int managing_proc=0, const std::string &filename="", std::pair< double, double > scale=std::pair< double, double >(1.0, 0.0))
	Register a prototypical structure with a particular mobility matrix identified by its name.
void	registerMobilityMat (const std::string &mat_name, const std::vector< unsigned > &prototype_struct_ids, MobilityMatrixType mat_type, std::pair< MobilityMatrixInverseType, MobilityMatrixInverseType > inv_type, const int managing_proc=0, const std::string &filename="", std::pair< double, double > scale=std::pair< double, double >(1.0, 0.0))
	Register mutiple prototype structures with a particular matrix identified by its name. A combined dense mobility matrix for all the associated prototypical structures will be formed.
void	registerStructIDsWithMobilityMat (const std::string &mat_name, const std::vector< std::vector< unsigned > > &struct_ids)
	Register all structures that will be managed by this particular dense mobility matrix.
void	initializeSolverState (Vec x, Vec b)
	Initialize the solver.
void	deallocateSolverState ()
	Deallocate the solver.
void	setSolutionTime (const double solution_time)
	Set the time at which the solution is to be evaluated.
void	setTimeInterval (const double current_time, const double new_time)
	Set the time interval of integration.
void	setStokesSpecifications (const IBAMR::StokesSpecifications &stokes_spec)
	Set stokes specifications.
bool	solveSystem (Vec x, Vec b)
	Solves the mobility problem.
bool	solveBodySystem (Vec x, Vec b)
	Solves the body mobility problem.
const std::vector< unsigned > &	getPrototypeStructIDs (const std::string &mat_name)
	Return the ids of the structures associated with the dense mobility matrix formation.
const std::vector< std::vector< unsigned > > &	getStructIDs (const std::string &mat_name)
	Return the ids of the structure associated with the dense mobility matrix.

Detailed Description

Class DirectMobilitySolver solves the mobility and body-mobility sub-problem by employing direct solvers.

Member Function Documentation

getPrototypeStructIDs()

const std::vector< unsigned > & IBAMR::DirectMobilitySolver::getPrototypeStructIDs

(

const std::string &

mat_name

)

Return the ids of the structures associated with the dense mobility matrix formation.

Parameters

mat_name

Matrix handle.

Returns

Vector of structure ids used to form the mobility matrix.

getStructIDs()

const std::vector< std::vector< unsigned > > & IBAMR::DirectMobilitySolver::getStructIDs

(

const std::string &

mat_name

)

Return the ids of the structure associated with the dense mobility matrix.

Parameters

mat_name

Matrix handle.

Returns

Vector of structure ids associated with the mobility matrix.

registerMobilityMat() [1/2]

void IBAMR::DirectMobilitySolver::registerMobilityMat	(	const std::string &	mat_name,
		const std::vector< unsigned > &	prototype_struct_ids,
		MobilityMatrixType	mat_type,
		std::pair< MobilityMatrixInverseType, MobilityMatrixInverseType >	inv_type,
		const int	managing_proc = 0,
		const std::string &	filename = "",
		std::pair< double, double >	scale = std::pair<double, double>(1.0, 0.0)
	)

Register mutiple prototype structures with a particular matrix identified by its name. A combined dense mobility matrix for all the associated prototypical structures will be formed.

Parameters

mat_name	Matrix handle.
prototype_struct_ids	Vector of prototypical structure ids as defined while registering structures with IBAMR::IBStrategy class.
mat_type	Matrix type to be used for dense mobility matrix.
inv_type	Inversion method to be used for the mobility and body-mobility matrix.
filename	If the mobility matrix is to be read from an input file.

Note

The current implementation supports only binary files from PETSc I/O.

Parameters

scale	Scale for improving the conditioning number of dense mobility matrix. The matrix is scaled as
managing_proc	MPI processor that manages this mobility matrix.

registerMobilityMat() [2/2]

void IBAMR::DirectMobilitySolver::registerMobilityMat	(	const std::string &	mat_name,
		const unsigned	prototype_struct_id,
		MobilityMatrixType	mat_type,
		std::pair< MobilityMatrixInverseType, MobilityMatrixInverseType >	inv_type,
		const int	managing_proc = 0,
		const std::string &	filename = "",
		std::pair< double, double >	scale = std::pair<double, double>(1.0, 0.0)
	)

Register a prototypical structure with a particular mobility matrix identified by its name.

Parameters

mat_name	Matrix handle.
prototype_struct_id	Prototypical structure id as defined while registering structures with IBAMR::IBStrategy class.
mat_type	Matrix type to be used for dense mobility matrix.
inv_type	Inversion method to be used for the mobility and body-mobility matrix.
filename	If the mobility matrix is to be read from an input file.

Note

The current implementation supports only binary files from PETSc I/O.

Parameters

scale	Scale for improving the conditioning number of dense mobility matrix. The matrix is scaled as
managing_proc	MPI processor that manages this mobility matrix.

registerStructIDsWithMobilityMat()

void IBAMR::DirectMobilitySolver::registerStructIDsWithMobilityMat	(	const std::string &	mat_name,
		const std::vector< std::vector< unsigned > > &	struct_ids
	)

Register all structures that will be managed by this particular dense mobility matrix.

Note

This function should be called after all the mobility matrices have been registered with a particular processor.

solveBodySystem()

bool IBAMR::DirectMobilitySolver::solveBodySystem	(	Vec	x,
		Vec	b
	)

Solves the body mobility problem.

Parameters

x	Vec storing the rigid body center of mass translational and rotational velocity.
b	Vec storing the applied external force.

Returns

true if the solver converged to the specified tolerances, false otherwise.

solveSystem()

bool IBAMR::DirectMobilitySolver::solveSystem	(	Vec	x,
		Vec	b
	)

Solves the mobility problem.

Parameters

x	Vec storing the Lagrange multiplier.
b	Vec storing the desired velocity.

Returns

true if the solver converged to the specified tolerances, false otherwise.

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

• /home/runner/work/IBAMR/IBAMR/include/ibamr/DirectMobilitySolver.h
• /home/runner/work/IBAMR/IBAMR/src/IB/DirectMobilitySolver.cpp