EFFECTS OF NORMAL STRESS AND NORMAL STRAIN ON THE FUNDAMENTAL FREQUENCIES OF FREE VIBRATIONS OF COMPOSITE LAMINATED PLATES

Zhang Genquan; Ren Yongsheng; Lei Jianping; Wang Tsunkuei

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Volume 13 Issue 2

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Abstract

Acta Materiae Compositae Sinica > 1996 > 13(2): 105-109.

Zhang Genquan, Ren Yongsheng, Lei Jianping, et al. EFFECTS OF NORMAL STRESS AND NORMAL STRAIN ON THE FUNDAMENTAL FREQUENCIES OF FREE VIBRATIONS OF COMPOSITE LAMINATED PLATES[J]. Acta Materiae Compositae Sinica, 1996, 13(2): 105-109.

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EFFECTS OF NORMAL STRESS AND NORMAL STRAIN ON THE FUNDAMENTAL FREQUENCIES OF FREE VIBRATIONS OF COMPOSITE LAMINATED PLATES

1.
Taiyuan University of Technology, Taiyuan 030024;
2.
Beijing University of Aeronautics and Astronautics, 100083

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Received Date: February 28, 1994
Revised Date: November 27, 1994

Abstract

Abstract

A new displacement model of free vibrations,including effects of normal stress, normal strain and transverse shear deformation,is developed in this paper.The new model solutions are compared with the YNS theory solutions using Rayleigh-Ritz method for free vibrations,and the effects of transverse normal stress and normal strain on the fundamental frequencies of free vibrations of composite laminated plates with simply-supported edges are obtained.
- normal stress,
- normal strain,
- fundamental frequencies