Topological rainbow trapping, concentration and guiding in graded elastic valley phononic crystal plate

Yuan, Weitao; Zhang, Yuxuan; Pan, Yongdong; Huang, Yao; Zhao, Jinfeng; Yang, Fan; Zhong, Zheng

doi:10.1016/j.engstruct.2024.117596

Engineering Structures

2024

DOI: 10.1016/j.engstruct.2024.117596

|View full text |Cite

Topological rainbow trapping, concentration and guiding in graded elastic valley phononic crystal plate

Weitao Yuan,

Yuxuan Zhang,

Yongdong Pan

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

Publication Types

Select...

Article4

Relationship

Self Cite0

Independent4

Authors

Journals

Cited by 4 publications

References 56 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Multiconnected Beam Gradient Seismic Metamaterials for Broadband Rayleigh Wave Attenuation

Sun,

Hai,

et al. 2024

Physica Status Solidi (a)

View full text Add to dashboard Cite

Local resonance metamaterials have addressed the limitations of Bragg scattering‐type periodic structures in low‐frequency applications, providing a new path for the development of new seismic systems. However, achieving broadband attenuation of low‐frequency seismic waves within a compact structural design remains challenging. This article presents a novel local resonance seismic metamaterial (SM) with an ultra‐low frequency broad bandgap. It consists of an external steel frame, peripheral steel connecting beams, bottom rubber cushions, and a central steel resonator. By combining dispersion analysis and acoustic cone methods to calculate its bandgap, the attenuation range of the SM is clarified, and the influence of structural parameter changes on the upper and lower limits of bandgap is discussed. The results demonstrate that the attenuation domain can be further broadened through parameter gradient design, and frequency domain analysis confirms that the proposed gradient local resonance SM can achieve broadband seismic wave attenuation from 1.0611 to 10.895 Hz. Finally, time‐domain analysis elucidates the dynamic response of the SM, further validating the study's effectiveness. The SM proposed herein has practical and economic applications in surface vibration isolation, effectively protecting large infrastructure and civil engineering structures.

show abstract

Multiconnected Beam Gradient Seismic Metamaterials for Broadband Rayleigh Wave Attenuation

Sun,

Hai,

et al. 2024

Physica Status Solidi (a)

View full text Add to dashboard Cite

show abstract

Multidimensional Rainbow Trapping of Sound in the Second‐Order Topological Sonic Crystals

Chen,

Yang,

Huo

et al. 2024

Physica Status Solidi (b)

View full text Add to dashboard Cite

Topological rainbow trapping, which can separate and trap different frequencies of topological states into different positions, plays a key role in topological acoustic devices. However, few schemes have been proposed to realize multidimensional topological rainbow trapping effects with the hierarchy of edge and corner, which has partly restricted their practical applications in multifunctional integrated acoustic devices. Herein, a tactic to realize a multidimensional topological rainbow trapping of acoustic wave with the hierarchy of edge and corner in the second‐order topological sonic crystals is proposed. Based on the designing of a self‐ordering structure to both induce the topological phases of the bulk and edge states in the rectangular lattice, the edge states and corner states are obtained. Furthermore, the regularity between the located frequency of topological edge and corner states and the geometric parameters are discussed in detail. Finally, the rainbow trapping effects for topological edge states and corner states are investigated, respectively, in which different frequencies of topological acoustic edge and corner states are well separated and trapped in different positions without overlap. This proposal may provide a novel way for multidimensional wave manipulation and the integration of multifunctional acoustic devices.

show abstract

Gigahertz Surface Acoustic Wave Topological Rainbow in Nanoscale Phononic Crystals

Zhang,

Yu,

et al. 2024

Phys. Rev. Lett.

View full text Add to dashboard Cite

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Topological rainbow trapping, concentration and guiding in graded elastic valley phononic crystal plate

Cited by 4 publications

References 56 publications

Multiconnected Beam Gradient Seismic Metamaterials for Broadband Rayleigh Wave Attenuation

Multiconnected Beam Gradient Seismic Metamaterials for Broadband Rayleigh Wave Attenuation

Multidimensional Rainbow Trapping of Sound in the Second‐Order Topological Sonic Crystals

Gigahertz Surface Acoustic Wave Topological Rainbow in Nanoscale Phononic Crystals

Contact Info

Product

Resources

About