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A COMPARISON OF DIFFERENT SOLUTION ALGORITHMS FOR THE NUMERICAL ANALYSIS OF VEHICLE–BRIDGE INTERACTION

K. LIU

Academy of Disaster Reduction and Emergency Management, Beijing Normal University, 100875 Beijing, China

Department of Civil Engineering, K.U. Leuven, Kasteelpark Arenberg 40, B-3001 Leuven, Belgium

Corresponding author.

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N. ZHANG

Department of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

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H. XIA

Department of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

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, and

G. DE ROECK

Department of Civil Engineering, K.U. Leuven, Kasteelpark Arenberg 40, B-3001 Leuven, Belgium

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https://doi.org/10.1142/S021945541350065XCited by:30 (Source: Crossref)

Abstract

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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