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Conference Paper: Ultrasound wave propagation in time-varying phononic crystals

TitleUltrasound wave propagation in time-varying phononic crystals
Authors
KeywordsPhononics
Time-varying
Wave propagation
Issue Date2008
Citation
Proceedings - Ieee Ultrasonics Symposium, 2008, p. 1491-1494 How to Cite?
AbstractPhononic crystals demonstrate remarkable effects, but are static and unchangeable. We wish to use dynamic materials as the scatterers within phononic crystals as a means of controlling their properties. We have extended existing static phononic crystal theory to handle time-varying material parameters. The new method provides a closed-form solution to acoustic wave transmission through 1D dynamic phononic crystals. Band gap properties can be significantly altered using time-varying material parameters as the driving mechanism. ©2008 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/62112
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorWright, DWen_HK
dc.contributor.authorCobbold, RSCen_HK
dc.contributor.authorYu, ACHen_HK
dc.date.accessioned2010-07-13T03:54:08Z-
dc.date.available2010-07-13T03:54:08Z-
dc.date.issued2008en_HK
dc.identifier.citationProceedings - Ieee Ultrasonics Symposium, 2008, p. 1491-1494en_HK
dc.identifier.issn1051-0117en_HK
dc.identifier.urihttp://hdl.handle.net/10722/62112-
dc.description.abstractPhononic crystals demonstrate remarkable effects, but are static and unchangeable. We wish to use dynamic materials as the scatterers within phononic crystals as a means of controlling their properties. We have extended existing static phononic crystal theory to handle time-varying material parameters. The new method provides a closed-form solution to acoustic wave transmission through 1D dynamic phononic crystals. Band gap properties can be significantly altered using time-varying material parameters as the driving mechanism. ©2008 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartofProceedings - IEEE Ultrasonics Symposiumen_HK
dc.subjectPhononicsen_HK
dc.subjectTime-varyingen_HK
dc.subjectWave propagationen_HK
dc.titleUltrasound wave propagation in time-varying phononic crystalsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailYu, ACH:alfred.yu@hku.hken_HK
dc.identifier.authorityYu, ACH=rp00657en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/ULTSYM.2008.0363en_HK
dc.identifier.scopuseid_2-s2.0-67649312325en_HK
dc.identifier.hkuros153470en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67649312325&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage1491en_HK
dc.identifier.epage1494en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWright, DW=7404380684en_HK
dc.identifier.scopusauthoridCobbold, RSC=7005052711en_HK
dc.identifier.scopusauthoridYu, ACH=8699317700en_HK

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