| xc
    | 
Approximates velocity and acceleration by centered finite differences of displacement. More...
#include <CentralDifferenceBase.h>


| Public Member Functions | |
| int | formEleTangent (FE_Element *theEle) | 
| int | formNodTangent (DOF_Group *theDof) | 
| const Vector & | getVel (void) const | 
| int | newStep (double deltaT) | 
| Protected Member Functions | |
| CentralDifferenceBase (SolutionStrategy *, int classTag) | |
| Constructor. | |
| Protected Attributes | |
| int | updateCount | 
| method should only have one update per step | |
| Vector | Udot | 
| vel response quantity at time t-1/2 delta t | |
| double | deltaT | 
Approximates velocity and acceleration by centered finite differences of displacement.
The central difference method is an explicit integrator that forms a linear combination of the mass and damping matrices to advance the solution to the next time step.
 1.8.13
 1.8.13