Figure 20. first mode shape of a single crack free - free beam for experimental case

From

Identification of Crack in Beam Using Hilbert – Huang Transform

Mangesh Dilip Ratolikar, M Chandra Sekhar Reddy

Journal of Mechanical Design and Vibration. 2014, 2(4), 87-93 doi:10.12691/jmdv-2-4-3