DYNAMIC STABILITY CHARACTERISTICS OF FUNCTIONALLY GRADED PLATES UNDER ARBITRARY PERIODIC LOADS

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题名:	DYNAMIC STABILITY CHARACTERISTICS OF FUNCTIONALLY GRADED PLATES UNDER ARBITRARY PERIODIC LOADS
作者:	Chen, CS (Chen, Chun-Sheng) Chen, CW (Chen, Chih-Wen) Chen, WR (Chen, Wei-Ren)
贡献者:	Dept Mech Engn
关键词:	Dynamic instability functionally graded plate Mathieu equation Bolotin's method volume fraction index layer thickness ratio
日期:	2013-08
上传时间:	2014-02-25 13:47:21 (UTC+8)
摘要:	The dynamic instability of functionally graded material (FGM) plates under an arbitrary periodic load is studied. The properties of the functionally graded plates (FGPs) are assumed to vary continuously across the plate thickness according to a simple power law. With the derived Mathieu equations, the dynamic instability regions of the FGPs are determined by using the Bolotin's method. The in-plane periodic load is taken to be a combination of periodic axial and bending stress in the example problems. The influences of the volume fraction index, layer thickness ratio, static and dynamic load on the dynamic instability of ceramic-FGM-metal plates are discussed. The results reveal that the excitation frequency, instability region and dynamic instability index of these plates are significantly affected by the static load, dynamic load, volume fraction index and layer thickness.
關聯:	INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS Volume: 13 Issue: 6 Article Number: 1350026
显示于类别:	[機械工程系暨機械工程學系數位機電研究所] 期刊論文

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