Vibration of laminated composite plates embedded with shape memory alloy at elevated temperatures

Bin Duan; Mohammad Tawfik; Sylvain N. Goek; Jeng-Jong Ro; Chuh Mei

doi:10.1117/12.388179

12 June 2000 Vibration of laminated composite plates embedded with shape memory alloy at elevated temperatures

Bin Duan, Mohammad Tawfik, Sylvain N. Goek, Jeng-Jong Ro, Chuh Mei

Proceedings Volume 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies; (2000) https://doi.org/10.1117/12.388179
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

Abstract

A finite element formulation and solution procedure for the free vibration behavior of composite plates with embedded shape memory alloy (SMA) at elevated temperatures is presented. The temperature-dependent material properties of MA and composite matrix, and the geometrical nonlinearity due to large thermal deflection are considered in the formulation. The solution procedure consists of two steps: large thermal deflection is determined first, then followed by the free vibration analysis about the thermally buckled equilibrium position. Examples of hybrid composite plates are given to show the variation of lowest few frequencies versus temperature and the influence of SMA on the natural frequencies at elevated temperatures. Potential applications to frequency turning and sonic fatigue using SMA are discussed.

Citation Download Citation

Bin Duan, Mohammad Tawfik, Sylvain N. Goek, Jeng-Jong Ro, and Chuh Mei "Vibration of laminated composite plates embedded with shape memory alloy at elevated temperatures", Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); https://doi.org/10.1117/12.388179

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