Shock and Vibration / 2014 / Article / Tab 4

Research Article

Numerical Simulation of Vertical Random Vibration of Train-Slab Track-Bridge Interaction System by PEM

Table 4

The variation ratio of the responses (%) and CPU times.

ItemTotal number of discrete frequencies
507090110130150170190210230250

Vertical acceleration of carbodyMotor car
Trailer car

Vertical acceleration of rear bogieMotor car
Trailer car

Wheel/rail vertical forceMotor car
Trailer car

Vertical displacement of bridge midpointRail
Girder

Vertical acceleration of bridge midpointRail
Slab
Girder

Vertical fastener pressure

CPU times (h)