弹性波超构表面研究进展

Advances in the study of elastic metasurfaces

弹性波超构表面是一种新型的超薄超材料,它革新了对弹性波的传统调控方式,特别是为低频弹性波的调控提供了新的思路.本文首先根据被调控弹性波的波型,分类介绍了弹性波超构表面的基本概念、工作原理和最新的研究进展,指出了目前弹性波超构表面研究中存在的问题,随后重点论述了弹性波超构表面的工程应用,包括模式分离、能量传输和低频减振,最后对未来的研究工作进行了展望.

The development of elastic metasurfaces,which are ultra-thin metamaterials,has opened new possibilities for realizing extraordinary wave manipulation,particularly for elastic waves at low frequencies.First,according to different types of elastic wave modes,we introduce the basic concept,working principle,and latest research indications of elastic metasurfaces.In addition,we discuss the existing problems in the current research of elastic metasurfaces.Then,we focus on engineering applications of these metasurfaces,including mode separation,energy transmission,and vibration isolation at low frequencies.Finally,suggestions are put forward for future research work.