Quadramode materials: Their design method and wave property

Autor: Gengkai Hu, Xiaoning Liu, Yu Wei

Publikováno v: Materials & Design, Vol 210, Iss, Pp 110031-(2021)

Extremal materials with certain vanishing eigenvalues of their elastic matrix are able to manipulate elastic wave with their extremal static property, the devices designed with such materials can work in a broad frequency band, which is highly demand

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c9fe1a8af59be4b57f8c6bfabc119cc
https://doi.org/10.1016/j.matdes.2021.110031

Computational material design for acoustic cloaking

Autor: Méndez, Carlos Alberto, Podestá, J.M., Lloberas Valls, Oriol, Toro, Sebastian, Huespe, Alfredo Edmundo, Oliver Olivella, Xavier

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

A topology optimization technique based on the topological derivative and the level set function is utilized to design/synthesize the micro-structure of a pentamode material for an acoustic cloaking device. The technique provides a micro-structure co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::030c9e381b582de196501821ab798ee2
https://hdl.handle.net/2117/110986

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