Linear and Nonlinear Dynamic Analyses of Sandwich Panels with Face Sheet-to-Core Debonding

Figure 27

Steady-state dynamic response at  : ((a)-(b)) displacement and velocity time histories at points N2 and N3; (c) frequency spectra of the displacement signals at point N1; (d) displacement time histories at point N1; (e) phase portrait at point N1 [80]; and (f) Poincaré section at point N1.

(a)

(b)

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(f)