gsStaticDR< T > Class Template Reference

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

gsStatus solve ( )

overridevirtual

gsStaticBase base functions

See gsStaticBase

Implements gsStaticBase< T >.