Shock and Vibration / 2019 / Article / Fig 8

Research Article

Free-Decay Nonlinear System Identification via Mass-Change Scheme

Figure 8

Coefficient of the nonlinearity for the 4-DOF system in logarithmic scale. Continuous black line: real part of the LS solution; dashed-dotted black line: imaginary part of the LS solution.

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.