Shock and Vibration / 2019 / Article / Tab 6

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Table 6

Identified modal masses of the multistory building.

ModeIdentified modal mass (kg), output-only NSIIdentified modal mass (kg), SSIDifference (%)

15.475.694.05
26.826.268.20
33.943.832.67
41.341.372.44
50.790.4739.48

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