Detailed Description

template<class T>
class gismo::gsStaticDR< T >

Static solver using the Dynamic Relaxation method.

Template Parameters

T	coefficient type

Inheritance diagram for gsStaticDR< T >:

Collaboration diagram for gsStaticDR< T >:

Public Member Functions
void	_reset ()
	Start over again.

virtual bool	converged () const
	Returns whether the solver converged or not.

void	defaultOptions () override
	See gsStaticBase.

gsVector< T >	energies () const
	Returns the kinetic energy in all steps.

void	getOptions () override
	See gsStaticBase.

	gsStaticDR (const gsVector< T > &M, const gsVector< T > &F, const ALResidual_t &ALResidual)
	Constructs a new instance.

	gsStaticDR (const gsVector< T > &M, const gsVector< T > &F, const Residual_t &Residual)
	Constructor.

virtual T	indicator (const gsSparseMatrix< T > &jacMat, T shift=-1e-2)
	Returns the stability indicator.

void	initialize () override
	See gsStaticBase.

void	initOutput () override
	See gsStaticBase.

virtual index_t	iterations () const
	Returns the number of iterations.

T	kineticEnergy () const
	Returns the kinetic energy.

virtual index_t	numDofs ()
	Returns the number of DoFs of the system.

virtual const gsOptionList &	options () const
	Get options.

gsVector< T >	relEnergies () const
	Returns the kinetic energy relative to the first iteration.

void	reset () override
	See gsStaticBase.

T	residualNorm () const
	Return the residual norm.

virtual void	setDisplacement (const gsVector< T > &displacement)
	Set the displacement.

virtual void	setLoad (const T L)
	Set the load.

virtual void	setOptions (gsOptionList &options)
	Set the options from options.

virtual void	setSolution (const gsVector< T > &displacement, const T L)
	Set the displacement and the load.

virtual gsVector< T >	solution () const
	Access the solution.

gsStatus	solve () override
	gsStaticBase base functions

virtual gsVector< T >	stabilityVec (const gsSparseMatrix< T > &jacMat, T shift=-1e-2)
	Returns the stability vector.

virtual gsStatus	status () const
	Returns the status.

void	stepOutput (index_t k) override
	See gsStaticBase.

virtual gsVector< T >	update () const
	Access the update.

gsVector< T >	velocities () const
	Returns the velocity.

Protected Member Functions
virtual bool	_computeStability (const gsSparseMatrix< T > &jacMat, T shift)
	Computes the stability of the Jacobian, optionally applying a shift (if provided)

virtual bool	_computeStabilityDet (const gsSparseMatrix< T > &jacMat)
	Computes the stability vector using the determinant of the Jacobian.

virtual bool	_computeStabilityEig (const gsSparseMatrix< T > &jacMat, T shift)
	Computes the stability vector using the eigenvalues of the Jacobian, optionally applying a shift.

void	_init ()
	Initializes the method.

void	_iteration ()
	Performs an iteration.

void	_peak ()
	Identifies a peak.

void	_solve ()
	See solve()

void	_start ()
	Starts the method.

Constructor & Destructor Documentation

◆ gsStaticDR() [1/2]

template<class T >

gsStaticDR	(	const gsVector< T > &	M,
		const gsVector< T > &	F,
		const Residual_t &	Residual
	)

inline

Constructor.

Parameters

[in]	M	Lumped mass matrix (as vector)
[in]	F	External forcing vector
[in]	Residual	The residual

◆ gsStaticDR() [2/2]

template<class T >

gsStaticDR	(	const gsVector< T > &	M,
		const gsVector< T > &	F,
		const ALResidual_t &	ALResidual
	)

inline

Constructs a new instance.

Parameters

[in]	M	Lumped mass matrix (as vector)
[in]	F	External forcing vector
[in]	Residual	The residual as arc-length object

Member Function Documentation

◆ solve()

template<class T >

gsStatus solve ( )

overridevirtual

gsStaticBase base functions

See gsStaticBase

Implements gsStaticBase< T >.

Detailed Description

Public Member Functions

Protected Member Functions

Constructor & Destructor Documentation

◆ gsStaticDR() [1/2]

◆ gsStaticDR() [2/2]

Member Function Documentation

◆ solve()