Vibration analysis of a stepped laminated composite Timoshenko beam |
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| Authors: | Xing-Jian Dong Guang Meng Hong-Guang Li Lin Ye |
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| Institution: | aState Key Laboratory of Vibration, Shock and Noise, Shanghai Jiao Tong University, Shanghai 200030, People’s Republic of China;bCentre for Advanced Materials Technology, School of Aerospace, Mechanical and Mechatronic Engineering (J07), The University of Sydney, Sydney, NSW 2006, Australia |
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| Abstract: | The goal of this study is to investigate the vibration characteristics of a stepped laminated composite Timoshenko beam. Based on the first order shear deformation theory, flexural rigidity and transverse shearing rigidity of a laminated beam are determined. In order to account for the effect of shear deformation and rotary inertia of the stepped beam, Timoshenko beam theory is then used to deduce the frequency function. Graphs of the natural frequencies and mode shapes of a T300/970 laminated stepped beam are given, in order to illustrate the influence of step location parameter exerts on the dynamic behavior of the beam. |
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| Keywords: | Stepped beam Timoshenko beam Laminated composite Vibration |
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