Dynamic stability of thermoelastic coupling moving plate subjected to follower force |
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| Authors: | Xuxia Guo Zhongmin Wang Yan Wang |
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| Institution: | 1. School of Sciences, Xi’an University of Technology, Xi’an 710048, China;2. Mechanical and Electrical Engineering Department, Baoji University of Arts and Sciences, Baoji 721007, China;1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning 110819, PR China;2. Department of Automatic Control and Systems Engineering, University of Sheffield, Mappin Street, Sheffield, South Yorkshire S1 3JD, UK |
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| Abstract: | The dynamic characteristics and stability of the moving thermoelastic coupling rectangular plate subjected to uniformly distributed tangential follower force are investigated. Based on the heat conduction equation containing the thermoelastic coupling term and the thin plate theory, the thermoelastic coupling differential equation of motion of the rectangular plate under the action of uniformly distributed tangential follower force is established. Dimensionless complex frequencies of the moving thermoelastic coupling rectangular plate with four edges simply supported, two opposite edges simply supported and other two edges clamped are calculated by the differential quadrature method. The effects of the dimensionless thermoelastic coupling factor and dimensionless moving speed on the stability and critical load of the moving plate are analyzed. The results show that the divergence loads of the first order mode increase with the increase of the dimensionless thermoelastic coupling factor, and decrease with increasing the dimensionless moving speed. |
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