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Computers and Concrete Volume 30, Number 2, August 2022 , pages 151-164 DOI: https://doi.org/10.12989/cac.2022.30.2.151 |
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On the dynamic stability of a composite beam via modified high-order theory |
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Yi Man
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| Abstract | ||
| This paper investigates the stability of the functionally graded cylindrical small-scale tube regarding the dynamic analysis and based on the modified nonclassical high-order nonlocal strain gradient theory. The nonlocal beam is modeled according to the high-order tube theory utilizing the energy method based on the Hamilton principle, then the nonlocal governing equations and also nonlocal boundary conditions equations are obtained. The tube structure is made of the new class of composite material composed of ceramic and metal phases as the functionally graded structures. The functionally graded (FG) tube structures rotate around the central axis, and the stability of this nanodevice is due to the centrifugal force which is used for the application of nanoelectromechanical systems (NEMS) is studied in detail. | ||
| Key Words | ||
| composite structures; dynamic analysis; functionally graded material; nanodevices; nonlocal strain gradient theory | ||
| Address | ||
| Yi Man: Nanjing Vocational University of Industry Technology, Nanjing 210023, Jiangsu, China; Jiangsu Wind Power Engineering Technology Center, Nanjing 210023, Jiangsu, China | ||