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- Publisher Website: 10.1063/1.5042077
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Article: Foreshadowing elastic instabilities by negative group velocity in soft composites
Title | Foreshadowing elastic instabilities by negative group velocity in soft composites |
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Authors | |
Issue Date | 2018 |
Citation | Applied Physics Letters, 2018, v. 113, n. 3, article no. 031901 How to Cite? |
Abstract | We reveal the existence of a state in soft composites, characterized by the omni-directional negative group velocity in the vicinity of elastic instability. We show that the appearance of the negative group velocity in layered and fibrous composites foreshadows microscopic loss of the stability. In contrast with classical instability-induced pattern transformations, the transition between states with positive and negative group velocities is not accompanied by geometrical rearrangements and can be triggered by very fine variation of the compressive deformation in stable composites. Finally, we analyze the effect of the geometrical characteristics and elastic moduli of the constituents on the strain range for induced state with negative group velocities. |
Persistent Identifier | http://hdl.handle.net/10722/318719 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.976 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Slesarenko, Viacheslav | - |
dc.contributor.author | Galich, Pavel I. | - |
dc.contributor.author | Li, Jian | - |
dc.contributor.author | Fang, Nicholas X. | - |
dc.contributor.author | Rudykh, Stephan | - |
dc.date.accessioned | 2022-10-11T12:24:24Z | - |
dc.date.available | 2022-10-11T12:24:24Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Applied Physics Letters, 2018, v. 113, n. 3, article no. 031901 | - |
dc.identifier.issn | 0003-6951 | - |
dc.identifier.uri | http://hdl.handle.net/10722/318719 | - |
dc.description.abstract | We reveal the existence of a state in soft composites, characterized by the omni-directional negative group velocity in the vicinity of elastic instability. We show that the appearance of the negative group velocity in layered and fibrous composites foreshadows microscopic loss of the stability. In contrast with classical instability-induced pattern transformations, the transition between states with positive and negative group velocities is not accompanied by geometrical rearrangements and can be triggered by very fine variation of the compressive deformation in stable composites. Finally, we analyze the effect of the geometrical characteristics and elastic moduli of the constituents on the strain range for induced state with negative group velocities. | - |
dc.language | eng | - |
dc.relation.ispartof | Applied Physics Letters | - |
dc.title | Foreshadowing elastic instabilities by negative group velocity in soft composites | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1063/1.5042077 | - |
dc.identifier.scopus | eid_2-s2.0-85050149634 | - |
dc.identifier.volume | 113 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | article no. 031901 | - |
dc.identifier.epage | article no. 031901 | - |
dc.identifier.isi | WOS:000439429700016 | - |