层合圆板三维非线性问题的解析方法

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (8): 930-936.

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AN ANALYTIC METHOD FOR NONLINEAR THREE- DIMENSIONAL PROBLEMS OF LAMINATED CIRCULAR PLATES

Jiang Xiaoyu¹, Zhang Xiangzhou², Chen Baiping²

1. Institute of Applied Mechanics,Southwestern Jiaotong University,Chengdu,610031;2. Institute of Strength, Northwestern Polytechnical University,Xi’an,710072

Received:1993-09-29 Revised:1994-01-05 Online:1994-08-25 Published:1994-08-25

Abstract

Abstract: An analytic method is presented for nonlinear three-dimensional problems of compo-site laminated circular plates.The geometric nonlinearity from a moderately large deflection isconsidered.The perturbation method and the variational principle are used to satisfy the nonlinear three-dimensional di fferential equations and the boundary conditions.The analvtic nonlinear three-dimensional solutions of high accuracy are obtained for circular laminas and laminated plates with rigidly clamped edges and under uniform transverse loadings.Each of the plate displacements and stresses is shown in figures.The results show that this analytic method used to solve nonlinear three-dimensional problems for composite laminates is effective.

Key words: Key words nonlinearity, perturbation method, variational principle, composite laminatedPlates, three-dimension

CLC Number:

Jiang Xiaoyu;Zhang Xiangzhou;Chen Baiping. AN ANALYTIC METHOD FOR NONLINEAR THREE- DIMENSIONAL PROBLEMS OF LAMINATED CIRCULAR PLATES[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(8): 930-936.

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AN ANALYTIC METHOD FOR NONLINEAR THREE- DIMENSIONAL PROBLEMS OF LAMINATED CIRCULAR PLATES

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