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Computers and Concrete Volume 30, Number 4, October 2022 , pages 243-256 DOI: https://doi.org/10.12989/cac.2022.30.4.243 |
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Bending and buckling of spinning FG nanotubes based on NSGT |
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Liang Zhang and Tzu-Hsing Ko
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| Abstract | ||
| The static analysis of spinning functionally graded (FG) nanotube on the basis of the nonlocal strain gradient theory (NSGT) is presented. The high-order beam theory is employed for mathematical modeling of the tube structures according to the Sinusoidal shear deformation beam theory. The energy conservation principle is operated to generate the equations. The centrifugal force is assumed along the tube length due to the rotating of the tube, moreover, the nanotube is made of functionally graded material (FGM) composed of ceramic and metal phases along the tube radius direction. The generalized differential quadratic method (GDQM) is utilized to solve the formulations. Finally, the numerical results are discussed in detail to examine the impact of different relevant parameters on the bending the buckling behavior of the rotating nanotube. | ||
| Key Words | ||
| bending analysis, buckling behavior, functionally graded materials, nanotubes nonlocal strain gradient theory | ||
| Address | ||
| Liang Zhang: Institute of Intelligent Manufacturing, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Tzu-Hsing Ko: Fujian Provincial Key Laboratory of Featured Materials in Biochemical Industry, College of Chemistry and Materials, Ningde Normal University, Ningde 352100, Fujian, China | ||