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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1992, Vol. 13 ›› Issue (9): 498-502.
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Ding Xi-hong, Zhou Li, Gu Hui-zhi
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Abstract: In this paper a mixed hybrid-stress element is applied to analyzing transient response of layered composite plates. In accordance with the characteristics of layered fiber-reinforced composite plates and for the sake of synthetic consideration of their accuracy and economy, a Mindlin straight line assumption is used to get the displacement patterns for the thin plates and a broken line assumption used for thick plates. Their suitability is also discussed. A mode summation method and Wilson-integration are used for dynamic response analysis to determine the dynamic deflections and stress states of composite laminates under sudden loading. Finally, several numerical examples and experiments verify that the method is very effective.
Key words: fiber-reinforced composite laminates, mixed Hybrid-stress element, transi-ent response, mode summation method
Ding Xi-hong;Zhou Li;Gu Hui-zhi. TRANSIENT RESPONSE OF LAYERED COMPOSITE PLATES[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1992, 13(9): 498-502.
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