Summary
A nonlinear system possessing a natural forbidden band gap can transmit energy of a signal with a frequency in the gap.This process of nonlinear supratransmission, occuring at a threshold exactly predictable in many cases, is presented and discussed. A simple theory is confronted both to numerical simulations and experiments on a mechanical chain of coupled pendula.
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References
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F. Geniet, J. Leon, Nonlinear Supratransmission, submitted to J Phys Cond Mat.
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Geniet, F., Leon, J. (2003). Nonlinear Supratransmission: Energy Transmission by Nonlinear Mode Generation. In: Cohen, G.C., Joly, P., Heikkola, E., Neittaanmäki, P. (eds) Mathematical and Numerical Aspects of Wave Propagation WAVES 2003. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55856-6_113
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DOI: https://doi.org/10.1007/978-3-642-55856-6_113
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