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Analysis of piecewise linear aeroelastic systems using numerical continuation

Research output: Working paperWorking paper and Preprints

Original languageEnglish
Publication date2001
StatePublished

Abstract

This paper demonstrates the application of a numerical continuation method to dynamic piecewise aeroelastic systems. The aeroelastic system is initially converted into a state space form, and then into a set of equations which solve the system as the motion moves between different linear zones in a freeplay motion. Once an initial condition is found that satisfies these sets of equations a continuation method is used to find all other possible solutions of the same period for a variation in any parameter. This process can then be repeated for different order systems allowing the limit cycle behaviour of the whole system to be built up. The solutions found using this method have been shown to be the same as those found using a more traditional Runge-Kutta type approach with a considerable time saving and added flexibility through multiple parameter variation.

Additional information

Additional information: Preprint of a paper later published by Professional Engineering Publishing (2002), Proceedings of the Institution of Mechanical Engineers Part G : Journal of Aerospace Engineering, 216(G1), pp.1-11, ISSN 0954-4100

Documents

  • Bcanm 2001r18

    Preprint (usually an early version) , 249 KB, PDF-document

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  1. Analysis of piecewise linear aeroelastic systems using numerical continuation

    Research output: Contribution to journalArticle