期刊
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
卷 14, 期 2, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S021945541350065X
关键词
Train-bridge interaction; solution algorithm; time step
资金
- EC Research Fund for Coal and Steel RTD project FADLESS (Fatigue damage control and assessment for railway bridges) [RFCS-CT-2009-00027]
- Chinese International Research Cooperation Project [2012DFG20710]
- State Fundamental Research Funds 973 Program of China [2013CB036203]
- Natural Science Foundation of China [U1134206]
The interaction between a bridge and a train moving on the bridge is a coupled dynamic problem. The equations of motion of the bridge and the vehicle are coupled by the time dependent contact forces. At each time step, the motion of the bridge influences the forces transferred to the vehicle and this, in turn, changes the forces acting on the bridge. In this paper, a comparison of three different time domain solution algorithms for the coupled equation of motion of the train-bridge system is presented. Guidelines are given for a good choice of the time step.
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