Free Vibration of Composite Annular Plates Embedded with SMA Fibers in the Circumferential Direction

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Based on Brinson’s one-dimensional thermo-constitutive law of SMA and classical plate theory, linear non-axisymmetric vibration of uniform heated composite annular plate embedded with circumferential SMA fibers is investigated. Natural frequencies of the annular plates with immovably clamped boundary condition, depending on the temperature rise are obtained by using shooting method. The characteristic curves of first four natural frequencies of non-axisymmetric vibration versus temperature rise are plotted. Influences of the volume fraction and the initial strain of SMA on the natural frequencies of plate are analyzed. The numerical results show that, the activation of SMA can enhance the natural frequency both in the inverse martensite transformation temperature range and the thermal buckling temperature.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

1306-1309

Citation:

S. R. Li et al., "Free Vibration of Composite Annular Plates Embedded with SMA Fibers in the Circumferential Direction", Key Engineering Materials, Vols. 353-358, pp. 1306-1309, 2007

Online since:

September 2007

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$38.00

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