Geodesic
Spectral analysis of nonlinear systems
Theoretical and applied mechanics, Tome 37 (2010) no. 2, p. 111 Cet article a éte moissonné depuis la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

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Two separate nonlinear differential systems are investigated in the frequency and time domains using plots generated by Mathematica. Spectral density plots are of particular interest as they can conveniently demonstrate the effect on a system of changing one of the parameters. The effects of the starting displacement on the nonlinear pendulum, and the behaviour of the Lorenz system when the Rayleigh number is varied, are considered in this way.
DOI : 10.2298/TAM1002111B
Classification : 34C15 34D45
Keywords: Nonlinearity, spectral, Lorenz 
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     title = {Spectral analysis of nonlinear systems},
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     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM1002111B/}
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Sandy Black; David Christie; Neil Finlayson. Spectral analysis of nonlinear systems. Theoretical and applied mechanics, Tome 37 (2010) no. 2, p. 111 . doi: 10.2298/TAM1002111B

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