Experimental analysis of the steady-state behaviour of beam systems with discontinuous support

E.L.B. Vorst, van de, D.H. Campen, van, A. Kraker, de, R.H.B. Fey

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Abstract

This paper deals with the experimental analysis of the long-term behaviour of periodically excited linear beams supported by a one-sided spring or an elastic stop. Numerical analysis of the beams showed subharmonic, quasi-periodic and chaotic behaviour. Furthermore, in the beam system with the one-sided spring three different routes leading to chaos were found. Because of the relative simplicity of the beam systems and the variety of calculated nonlinear phenomena, experimental setups are made of the beam systems to verify the numerical results. The experimental results correspond very well with the numerical results as far as the subharmonic behaviour is concerned. Measured chaotic behaviour is proved to be chaotic by calculating Lyapunov exponents of experimental data.
Original languageEnglish
Pages (from-to)293-308
JournalMeccanica
Volume31
Issue number3
DOIs
Publication statusPublished - 1996

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