含椭圆分层复合材料层板三维问题的三角级数能量解法

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2000, Vol. 21 ›› Issue (4): 338-342.

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METHOD OF STATE DECOMPOSITION AND TRIGONOMETRIC SERIES ON ELLIPTICAL DELAMINATION IN COMPOSITE LAMINATE

HU Weiping, MENG Qingchun, ZHANG Xing

Faculty 508, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

Received:1999-04-05 Revised:1999-07-25 Online:2000-08-25 Published:2000-08-25

Abstract

Abstract:

The transverse loading state of a laminate with elliptical delaminations is divided using the principle of superposition, so that the problem of delamination can be reduced to the analysis about the additional displacements and stresses caused by the additional shear loading acting on the delamination surfaces;thus a simple mechanics model about delamination area is established. Then, a trigonometric series is applied to describe the displacement mode satisfying the boundary conditions. At last,...

Key words: composite laminate, delamination, three dimensional problem, additional state, method of trigonometric series

CLC Number:

TB331

HU Weiping;MENG Qingchun;ZHANG Xing . METHOD OF STATE DECOMPOSITION AND TRIGONOMETRIC SERIES ON ELLIPTICAL DELAMINATION IN COMPOSITE LAMINATE[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2000, 21(4): 338-342.

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METHOD OF STATE DECOMPOSITION AND TRIGONOMETRIC SERIES ON ELLIPTICAL DELAMINATION IN COMPOSITE LAMINATE

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