Stress resultants and moments around holes in unsymmetrical composite laminates subjected to remote uniform loading

摘要

Stress resultants and moments around the holes of infinite unsymmetrical composite laminates under remote uniform loading are analyzed using the complex potential approach developed by Chen and Shen [Mech. Res. Commun. 28, (4) (2201) 423: 28 (5) (2001) 513]. In the analysis, the authors' previous work has been modified to determine the complex constants B-k appeared in the complex potential functions of Chen and Shen [Mech. Res. Commun. 28 (5) (2001) 513], Herein B-k are the unknown quantities related to the remote loading conditions. The effect of bending extension coupling has been discussed for several laminates such as [0/90](T), [45/-45](T) and [0/90/45/-45](nT). Results indicates that the coupling, between bending and extension significantly affects the stresses around the hole of an unsymmetrical laminate containing one sub-laminate only. Such the effect rapidly decreases as the number of the sub-laminates increases. The results confirm the validity of the developed complex potential approach, (C) 2002 Elsevier Science Ltd. All rights reserved. [References: 4]