MFEM  v4.3.0
Finite element discretization library
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mfem::HHTAlphaSolver Class Reference

#include <ode.hpp>

Inheritance diagram for mfem::HHTAlphaSolver:
Collaboration diagram for mfem::HHTAlphaSolver:

Public Member Functions

 HHTAlphaSolver (double alpha=1.0)
- Public Member Functions inherited from mfem::GeneralizedAlpha2Solver
 GeneralizedAlpha2Solver (double rho_inf=1.0)
void PrintProperties (std::ostream &out=mfem::out)
void Init (SecondOrderTimeDependentOperator &f_) override
 Associate a TimeDependentOperator with the ODE solver. More...
void Step (Vector &x, Vector &dxdt, double &t, double &dt) override
 Perform a time step from time t [in] to time t [out] based on the requested step size dt [in]. More...
int GetMaxStateSize () override
 Function for getting and setting the state vectors. More...
int GetStateSize () override
const VectorGetStateVector (int i) override
void GetStateVector (int i, Vector &state) override
void SetStateVector (int i, Vector &state) override
- Public Member Functions inherited from mfem::SecondOrderODESolver
 SecondOrderODESolver ()
virtual void Run (Vector &x, Vector &dxdt, double &t, double &dt, double tf)
 Perform time integration from time t [in] to time tf [in]. More...
virtual ~SecondOrderODESolver ()

Additional Inherited Members

- Protected Attributes inherited from mfem::GeneralizedAlpha2Solver
Vector xa
Vector va
Vector aa
Vector d2xdt2
double alpha_f
double alpha_m
double beta
double gamma
int nstate
- Protected Attributes inherited from mfem::SecondOrderODESolver
 Pointer to the associated TimeDependentOperator. More...
MemoryType mem_type

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 alpha in [2/3,1] –> Defined differently than in paper.

Definition at line 802 of file ode.hpp.

Constructor & Destructor Documentation

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

Definition at line 805 of file ode.hpp.

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