Asymmetric lamb wave propagation and mode isolation in thin plate with spatiotemporal periodic stiffness

• Main Authors: Zhao, Liuxian, Lai, Chang Quan
• Other Authors: Temasek Laboratories
• Format: Article
• Language: English
• Published: 2019
• Subjects: Science::Physics; Lamb Wave; Directional Wave Propagation
• Online Access: https://hdl.handle.net/10356/105470; http://hdl.handle.net/10220/48719
• Institution: Nanyang Technological University

The Lamb wave propagation through a thin plate with periodic spatiotemporal variation of material property was investigated through numerical simulations. It was found that regular oscillations of Young's modulus in both space and time can lead to the creation of distinct band gaps for differen...