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Simplified dynamic analysis method of ship-bridge collision:precision of simplified models

MENG Dewei,WANG Junjie,BU Lingtao(State Key Laboratory of Civil Engineering for Disaster Reduction,Tongji University,Shanghai 200092,China)  
To analyze the precision of simplified dynamic analysis method of ship-bridge collision,according to specific examples of bridge engineering,the dynamic response of ship-bridge collision is calculated separately by numerical simulation method and simplified dynamic analysis method.Three mathematical indices are defined to evaluate the precision of the dynamic analysis results obtained by the simplified model.The results of the examples indicate that the simplified model performs good calculation precision in engineering application.
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