MFEM
v4.1.0
Finite element discretization library

#include <ode.hpp>
Public Member Functions  
NewmarkSolver (double beta_=0.25, double gamma_=0.5)  
virtual void  PrintProperties (std::ostream &out=mfem::out) 
virtual void  Init (SecondOrderTimeDependentOperator &_f) 
Associate a TimeDependentOperator with the ODE solver. More...  
virtual void  Step (Vector &x, Vector &dxdt, double &t, double &dt) 
Perform a time step from time t [in] to time t [out] based on the requested step size dt [in]. More...  
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::SecondOrderODESolver  
SecondOrderTimeDependentOperator *  f 
Pointer to the associated TimeDependentOperator. More...  
MemoryType  mem_type 
The classical newmark method. Newmark, N. M. (1959) A method of computation for structural dynamics. Journal of Engineering Mechanics, ASCE, 85 (EM3) 6794.

inline 

virtual 
Associate a TimeDependentOperator with the ODE solver.
This method has to be called:
Reimplemented from mfem::SecondOrderODESolver.

virtual 
Perform a time step from time t [in] to time t [out] based on the requested step size dt [in].
[in,out]  x  Approximate solution. 
[in,out]  dxdt  Approximate rate. 
[in,out]  t  Time associated with the approximate solution x and rate @ dxdt 
[in,out]  dt  Time step size. 
The following rules describe the common behavior of the method:
Implements mfem::SecondOrderODESolver.