Research Article

The Elliptic Harmonic Balance Method for the Performance Analysis of a Two-Stage Vibration Isolation System with Geometric Nonlinearity

Figure 3

(a) Amplitude-frequency curves of the relative displacement between ms1 and ms2. (b) Amplitude-frequency curves of ms2, when , , , , , , and . Dashed-dotted line , stable solution by the HBM1; thin-dashed line , unstable solution by the HBM1; solid line , stable solution by the EHBM; thick-dashed line , unstable solution by the EHBM; dot , numerical results.
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(b)