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《Journal of Southwest Jiaotong University》 2009-01
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Coupling Vibration Simulation of Long-Span Continuous Beam Bridge on Passenger Dedicated Railway

CUI Shengai,ZHU Bing (School of Civil Eng.,Southwest Jiaotong University,Chengdu 610031,China)  
Based on the multibody system dynamics and the finite element method,a new co-simulation method for the coupling vibration of a vehicle-bridge system was proposed.By using the finite element substructure method,a dynamic analysis model for a long-span continuous beam bridge,Bahe super-long bridge on Zhengzhou-Xi'an passenger dedicated railway,was established,and the natural vibration properties of this bridge were analyzed.A whole vehicle model was set up with the multibody system dynamics.Then the co-simulation of two subsystems(vehicle and bridge) was performed by interfacing data exchange at discrete communication points,and the coupling vibration simulation was achieved.The research results show that the co-simulation is feasible and its realization provides a new strategy for the research on the coupling vibration.
【CateGory Index】: U441.3
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