考虑剪力效应的复合材料层合曲板在侧压作用下的非线性动力稳定性

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (4): 410-415.

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NONLINEAR DYNAMIC STABILITY ANALYSIS OF COMPOSITE LAMINATED CURVED PANELS INCLUDING SHEAR DEFORMATION UNDER LATERAL PRESSURE

Yang Jialing, Zhang Zhimin, Zhang Yao, Gao Zhentong

The Solid Mechanics Research Centre,Beijing University of Aeronautics and Astronautics,Beijing,100083

Received:1992-05-13 Revised:1993-03-02 Online:1994-04-25 Published:1994-04-25

Abstract

Abstract: This paper presents a study of the nonlinear dynamic stability of infinitely long laminated curved panels suUected to a total-area uniform step loading. Emphases are on the analysis for the transverse shear force and anisotropic effects due to ply-direction of fabric on the dynamic critical load parameter.It is seen that(1) the transverse shear force plays an important role in the reduction of critical load for a very weak transverse shear resistant capability of com- posite laminated curved panel; (2)the ply-directions of the fabric will significantly influence the critical load because its values are found to be very different even to several times for the different ply-angles

Key words: laminate, transverse shear force, nonlinearity, dynamic stability

CLC Number:

Yang Jialing;Zhang Zhimin;Zhang Yao;Gao Zhentong. NONLINEAR DYNAMIC STABILITY ANALYSIS OF COMPOSITE LAMINATED CURVED PANELS INCLUDING SHEAR DEFORMATION UNDER LATERAL PRESSURE[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(4): 410-415.

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NONLINEAR DYNAMIC STABILITY ANALYSIS OF COMPOSITE LAMINATED CURVED PANELS INCLUDING SHEAR DEFORMATION UNDER LATERAL PRESSURE

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