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- Title
Predicting dynamic response of large amplitude free vibrations of cantilever tapered beams on a nonlinear elastic foundation.
- Authors
Yu, Yongping; Zhang, Hongzhi; Sun, Youhong; Sun, Weipeng
- Abstract
The purpose of this paper is to investigate the nonlinear vibration behavior of single and double tapered cantilever beams on the nonlinear foundation and present an alternative analytical method to solve the issue. Unlike other literatures, the admissible lateral displacement function satisfying the geometric boundary conditions of a single or double tapered cantilever beam is derived by using Rayleigh-Ritz method. Analytical approximate solutions in closed and explicit form are obtained by combining the Lagrange method with the Galerkin and Newton linearization method. Compared with the exact (numeric) results, the accuracy of these approximate solutions is presented. The effects of different parameters such as vibration amplitude, and foundation stiff parameters on nonlinear frequencies and displacement response of the tapered beams are easily analyzed, with the brief expressions of the present analytical approximate solutions.
- Subjects
CANTILEVERS; FREE vibration; BOUNDARY value problems; RAYLEIGH-Ritz method; GALERKIN methods
- Publication
Archive of Applied Mechanics, 2017, Vol 87, Issue 4, p751
- ISSN
0939-1533
- Publication type
Article
- DOI
10.1007/s00419-016-1221-x