Research Article

Dynamic Property Investigation of Sandwich Acoustic Black Hole Beam with Clamped-Free Boundary Condition

Figure 10

Mode shapes of ABH beams with different damping layer thickness at around 9 kHz: (a) h = 1 mm, frequency = 9141.59 Hz; (b) h = 2 mm, frequency = 9158.9 Hz; (c) h = 3 mm, frequency = 9158.22 Hz.
(a)
(b)
(c)