Shock and Vibration / 2019 / Article / Tab 2

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Table 2

Identified modal parameters of the 4-DOF system.

ModeFrequency (Hz)Damping (%)
UnmodifiedSet IUnmodified

12.882.750.29
214.6914.000.97
316.0315.281.01
417.7616.931.09

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.