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- Title
Nonlinear Free Vibration of Spinning Pre-Twisted Functionally Graded Material Plates in Thermal Environment.
- Authors
Xu, Hang; Wang, Yan Qing
- Abstract
This paper investigates the nonlinear free vibration of spinning pre-twisted functionally graded material (FGM) plates in thermal environment. Based on the Kirchhoff plate theory and von Kármán large-deformation theory, the nonlinear dynamic model is established via the Lagrange equation, where the warping effect is taken into account. The material properties are related to temperature and change according to a power-law exponent distribution. The theoretical solution of nonlinear-free vibration is obtained using the multiple scale method. The effects of power-law exponent, temperature difference, spinning speed, hub radius ratio, and twist angle on nonlinear-free vibration characteristics of the spinning pre-twisted cantilever FGM plates are discussed. The results show that the spinning pre-twisted cantilever FGM plate exhibits nonlinear hardening-spring vibration behavior, while the characteristics weaken with the increase of spinning speed. The twist angle and setting angle have coupling effects on the nonlinear vibration characteristics of spinning pre-twisted FGM plates.
- Subjects
FREE vibration; MULTIPLE scale method; KIRCHHOFF'S theory of diffraction; LAGRANGE equations; IRON &; steel plates
- Publication
International Journal of Structural Stability & Dynamics, 2024, Vol 24, Issue 11, p1
- ISSN
0219-4554
- Publication type
Article
- DOI
10.1142/S0219455424501311