Bistable Nonlinear Energy Sink Using Magnets and Linear Springs: Application to Structural Seismic Control

Figure 14

Numerical wavelet transforms of displacement response and BNES drift history under Loma Prieta wave, with 50% stiffness loss of the primary structure: (a) primary structure without control; (b) primary structure under TMD control; (c) TMD; (d) primary structure under cubic NES control; (e) cubic NES; (f) primary structure under BNES control; (g) BNES; (h) hysteretic loops.

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