Research Article
The Effect of Geometrical Parameters on Resonance Characteristics of Acoustic Metamaterials with Negative Effective Modulus
Figure 8
The relation curves present the relationship between the outer radius and related parameters ( = 4.5 mm, = 0.5 mm). (a) The resonance frequency of SHS. (b) The transmission coefficient. (c) The effective modulus.
(a) |
(b) |
(c) |