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Title: Application of Trefftz theory in thin-plate buckling with in-plane pre-buckling deformations
Authors: Wang, C.M. 
Liew, K.M.
Xiang, Y.
Kitipornchai, S.
Issue Date: Sep-1992
Citation: Wang, C.M.,Liew, K.M.,Xiang, Y.,Kitipornchai, S. (1992-09). Application of Trefftz theory in thin-plate buckling with in-plane pre-buckling deformations. International Journal of Mechanical Sciences 34 (9) : 681-688. ScholarBank@NUS Repository.
Abstract: The paper presents the application of Trefftz initial stress theory in determining the elastic buckling load of rectangular thin plates under in-plane stress resultants, with allowance for in-plane pre-buckling deformations. Exact buckling solutions for simply supported plates are obtained and compared with earlier results furnished by Ziegler (1983, Ing.-Arch. 53, 61 [1]). Although somewhat different, due to the use of different theories, both sets of results show that the buckling loads may be reduced when pre-buckling deformations are accounted for. This observation is contrary to that for column buckling where it has been shown that the allowance for pre-buckling shortening results in a higher buckling load. This reduction in plate-buckling load is significant especially for plates with large thickness-to-span ratios and subject to a combination of tensile and compressive in-plane stress resultants that increase pre-buckling deformations. © 1992.
Source Title: International Journal of Mechanical Sciences
ISSN: 00207403
Appears in Collections:Staff Publications

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