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《Journal of Ningxia University(Natural Science Edition)》 2009-03
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Primary Resonance of An Elastic Faudation Beam Subjected Harmonic Excitation in Temperature Field

Zhao Weidong,Bian Jingling(Department of Civil Engineering,Qinghai University,Xining 810016,China)  
Based on the Hamilton principal,the control equations of the nonlinear forced vibration of an elatic foundation beam subjected harmonic excitation in a temperature field are obtained.The nonlinear partial differential equations are converted into a set of ordinary ones by using Kantorovich averaging procedure.The numerical results of the primary resonance are obtained by employing the shooting method,considering immovable simply supported boundary conditions.The influence of different parameters on the primary resonance is examined in details.
【Fund】: 青海大学中青年基金资助项目(2009-QG-13)
【CateGory Index】: TU348
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