Shock and Vibration / 2019 / Article / Fig 18

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Figure 18

Coefficients of the nonlinearities of the multistory building in logarithmic scales. Continuous black line: real part of the LS solution; dashed-dotted black line: imaginary part of the LS solution. (a) Cubic coefficient. (b) Quadratic coefficient.

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