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《Engineering Mechanics》 2009-S2
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MODIFIED KELVIN POUNDING ANALYTICAL MODEL

YE Kun1,2,LI Li1,2 (1.College of Civil Engineering and Mechanics,Huazhong University of Science and Technology,Wuhan 430074,China; 2.Hubei Key Laboratory of Control Strucuture,Wuhan 430074,China)  
The earthquake-induced pounding between closely spaced structures can lead to structural damage.Because a structural pounding is a complicated nonlinear problem,in order to investigate the response of structures involving the pounding,it is important to select a reasonable impact analytical model in the pounding analysis.In this paper,the review for impact analytical models and methods for structural poundings is firstly performed.And then,an improvement on the Kelvin model is proposed to remedy the drawbacks of the Kelvin model;the determination of the relevant parameter in this modified Kelvin model is theoretically derived.Finally,through a numerical experiment,the correctness of the modified Kelvin model is verified,and reliable results can be obtained by using the modified Kelvin model in the analysis of structural poundings.
【Fund】: 国家自然科学基金项目(50878093)
【CateGory Index】: TB122
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