期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 80, 期 -, 页码 16-28出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2013.12.009
关键词
Nonlinear dynamic response; Nonlinear vibration; FGM double curved shallow shells; The first order shear deformation theory; Stress function
资金
- National Foundation for Science and Technology Development of Vietnam - NAFOSTED [107.02-2013.06]
This paper presents an analytical approach to investigate the nonlinear dynamic response and vibration of imperfect eccentrically stiffened FGM thick double curved shallow shells on elastic foundation using both the first order shear deformation theory and stress function with full motion equations (not using Volmir's assumptions). The FGM shells are assumed to rest on elastic foundation and subjected to mechanical and damping loads. Numerical results for dynamic response of the FGM shells are obtained by Runge-Kutta method. The results show the influences of geometrical parameters, the material properties, imperfections, the elastic foundations, eccentrically stiffeners and mechanical loads on the nonlinear dynamic response and nonlinear vibration of functionally graded double curved shallow shells. The numerical results in this paper are compared with results reported in other publications. Crown Copyright (C) 2014 Published by Elsevier Ltd. All rights reserved.
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