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Title: Dynamic Stability of Laminated Composite Twisted Curved Panels
Authors: Sahu, S K
Asha, A V
Issue Date: 2006
Citation: Proceedings of the IX International Conference on Recent Advances in Structural Dynamics, Southampton, UK 17-19 July 2006
Abstract: The twisted cantilever panels have significant applications in wide chord turbine blades, compressor blades, fan blades, particularly in gas turbines. This range of practical applications demands a proper understanding of their vibration, static and dynamic stability characteristics. Due to its significance, a large number of references deal with the free vibration of twisted plates. Structural elements subjected to in-plane periodic forces may lead to parametric resonance, due to certain combinations of the values of load parameters. The instability may occur below the critical load of the structure under compressive loads over wide ranges of excitation frequencies. Composite materials are being increasingly used in turbo-machinery blades because of their specific strength, stiffness and these can be tailored through the variation of fiber orientation and stacking sequence to obtain an efficient design. Thus the parametric resonance characteristics of laminated composite twisted cantilever panels are of great importance for understanding the systems under periodic loads.
Description: Copyright for this article belongs to the conference proceedings publishers
Appears in Collections:Conference Papers

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