Shock and Vibration / 2019 / Article / Fig 17

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Figure 17

Coefficients of the nonlinearities of the multistory building. Red line: real part of the LS solution. Dots: single estimations. The intensity of the color of the dots is proportional to their weight in the LS solution. (a) Cubic coefficient. (b) Quadratic coefficient.

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