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TOWARDS MULTI-SCALE NONLINEAR (AND LINEAR) SYSTEM IDENTIFICATION IN STRUCTURAL DYNAMICS

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Figure

Figure 1. Linear rod with essentially nonlinear boundary attachment.
Figure 2. Application 1, strong TET: (a) Time series, (b) dominant IMFs of the rod and attachment  responses, (c) wavelet spectrum of the relative response between attachment and rod, (d) IMF frequencies
Figure 3. Application 2, weak TET: (a) Time series, (b) dominant IMFs of the rod and attachment responses,  (c) wavelet spectrum of the relative response between attachment and rod, (d) IMF frequencies
Figure 4. LCO in an in-flow rigid wing: (a) configuration, (b) wavelet spectra of the pitch and heave responses,  (c) comparisons between direct numerical simulations and reduced order dynamics [11]

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