mfem::HHTAlphaSolver Class Reference

#include <ode.hpp>

Inheritance diagram for mfem::HHTAlphaSolver:

Collaboration diagram for mfem::HHTAlphaSolver:

Public Member Functions
	HHTAlphaSolver (real_t alpha=1.0)
Public Member Functions inherited from mfem::GeneralizedAlpha2Solver
	GeneralizedAlpha2Solver (real_t rho_inf=1.0, bool no_mult_=false)
void	PrintProperties (std::ostream &os=mfem::out)
void	Init (SecondOrderTimeDependentOperator &f_) override
	Associate a TimeDependentOperator with the ODE solver.
void	Step (Vector &x, Vector &dxdt, real_t &t, real_t &dt) override
	Perform a time step from time t [in] to time t [out] based on the requested step size dt [in].
Public Member Functions inherited from mfem::SecondOrderODESolver
	SecondOrderODESolver ()
void	EulerStep (Vector &x, Vector &dxdt, real_t &t, real_t &dt)
void	MidPointStep (Vector &x, Vector &dxdt, real_t &t, real_t &dt)
virtual void	Run (Vector &x, Vector &dxdt, real_t &t, real_t &dt, real_t tf)
	Perform time integration from time t [in] to time tf [in].
ODEStateData &	GetState ()
	Functions for getting the state vectors.
const ODEStateData &	GetState () const
int	GetStateSize ()
	Returns how many State vectors the ODE requires.
virtual	~SecondOrderODESolver ()

Additional Inherited Members
Static Public Member Functions inherited from mfem::SecondOrderODESolver
static MFEM_EXPORT SecondOrderODESolver *	Select (const int ode_solver_type)
	Function selecting the desired SecondOrderODESolver.
Static Public Attributes inherited from mfem::SecondOrderODESolver
static MFEM_EXPORT std::string	Types
	Help info for SecondOrderODESolver options.
Protected Attributes inherited from mfem::GeneralizedAlpha2Solver
Vector	xa
Vector	va
Vector	aa
real_t	alpha_f
real_t	alpha_m
real_t	beta
real_t	gamma
bool	no_mult
Protected Attributes inherited from mfem::SecondOrderODESolver
SecondOrderTimeDependentOperator *	f
	Pointer to the associated TimeDependentOperator.
MemoryType	mem_type
ODEStateDataVector	state

Detailed Description

HHT-alpha ODE solver Improved numerical dissipation for time integration algorithms in structural dynamics H.M. Hilber, T.J.R. Hughes and R.L. Taylor 1977 https://doi.org/10.1002/eqe.4290050306 alpha in [2/3,1] --> Defined differently than in paper.

Definition at line 897 of file ode.hpp.

Constructor & Destructor Documentation

HHTAlphaSolver()

mfem::HHTAlphaSolver::HHTAlphaSolver ( real_t alpha = 1.0 )

inline

Definition at line 900 of file ode.hpp.

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

• linalg/ode.hpp