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Toward a fundamental understanding of the HHT in nonlinear structural dynamics

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Academic year: 2021

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Figure 1: Approximation of the response of a damped Duffing oscillator using the CX method (c =0.1).
Figure 2: Approximation of the response of a 2DOF nonlinear system using the CX method.
Figure 3: Wavelet transform applied to the response of a 2DOF nonlinear system.
Figure 6: Envelope and phase of the two dominant components of signal y(t) (solid line: CX method; dashed line: HHT).
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