Shock and Vibration / 2019 / Article / Tab 3

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Table 3

Identified modal masses of the 4-DOF system.

ModeIdentified modal mass (kg)Theoretical modal mass (kg)Difference (%)

131.63431.6480.046
23.9773.9820.137
31.0611.0660.488
47.7467.7780.412

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.