二维共振结构板波动调控研究进展

Research Progress in Wave Modulation of Two-Dimensional Resonant Structured Plates

薄板结构是航空航天器、舰艇、高铁等现代工程装备上广泛应用的结构,其波动性能的优劣关系到设备综合性能及整体技术升级.在制备或复杂工况下,结构的几何完备性会产生一些缺陷或参数扰动,会降低基于精准设计的波动调控性能.基于工程应用技术需求,二维共振结构板的高鲁棒性、高品质因子束缚态等波动特性研究不断发展.本文首先介绍了二维共振结构板波动调控发展历程,主要阐述了平面波展开法、多重散射法等二维共振结构波动表征基本理论.简述了二维共振结构板在波导与传感、鲁棒能量采集以及按需智能设计等最新研究成果.最后对二维共振结构板目前的局限性做了总结并对未来的理论研究进行探讨.

Thin plate structures are widely used in modern engineering equipments such as aerospace,ships and high-speed railway.Their wave properties are related to the comprehensive performance of equipment and the overall technical upgrade.The fabrication processes or complex working conditions will bring defects or parameter disturbances in geometries,which reduce the performance of wave functions based on precise design.Based on the technical requirements of engineering applications,twodimensional resonant structured plates with wave characteristics such as high robustness and high quality factor bound states are widely developed.In this review,the research progress of two-dimensional resonant structured plates in wave modulation is firstly reviewed,then several basic theories including plane wave expansion method and multiple scattering theory are introduced to study the wave characteristics of the two-dimensional resonant structured plates.In the third part,The latest advances in waveguide and sensing,robust energy harvesting and on-demand intelligent design are briefly described.Finally,some remaining problems are summarized,and the future perspectives are discussed.