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Generalized Laminate Theories Based On Double Superposition Hypothesis by XIAOYU LI; DAHSIN LIU is a Engineering article available to read on EtoBox.

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There was a tremendous advantage of using the generalized co-ordinate system to express various types of laminate theories. With two layer-dependent terms of both the zeroth-and the first-order of thickness co-ordinate, a generalized zigzag theory was presented in a previous study. Due to its success in laminate analysis, the feasibility of assigning the two high-order terms, i.e. the second-and the third-order terms, of the generalized zigzag theory as layer-dependent variables was of primary interest. It was found that a so-called global-local superposition technique could be used for expressing the laminate theories in an explicit manner, namely recursive equations, to retain the advantage of numerical efficiency. Based on the superposition technique, the fundamental roles of the individual terms are identified. It is concluded that not only the completeness of the terms, but also the inclusion of as many terms as possible, is important to a laminate theory. It then is the goal of this study to look into a laminate theory which can satisfy the requirement of completeness and include all the first-, second-and third-order terms in an assumed displacement field. A special techniqu

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Author

XIAOYU LI; DAHSIN LIU

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0029-5981)

Published

1997

Language

EN

Field

Engineering (Physical Sciences)