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Analysis and enhancement of flexural wave stop bands in 2D periodic plates
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL. National University of Defense Technology, People's Republic of China .
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0002-9632-8398
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2015 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 379, no 22-23Article in journal (Other academic) Published
Abstract [en]

The band structure and enhancement of flexural wave stop bands in a 2D periodic plate are investigated. A unified method for analysing and designing the stop band of the plates with various attached structures is proposed. The effect of attached structures is considered based on their equivalent parameters (added equivalent mass and equivalent moment of inertia). The influences of the equivalent parameters on the band structures are studied. Three cases are considered: adding pure equivalent mass, pure equivalent moment of inertia and the combination of these two. The stop bands are enhanced via the multi interaction between the host plate and the attached structure. The enhancement pattern is determined, and several ways to obtain a wider combined stop band are presented. The frequency response functions of corresponding finite periodic plates are calculated to verify the stop bands and their enhancement in a number of typical cases.

Place, publisher, year, edition, pages
2015. Vol. 379, no 22-23
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-158023DOI: 10.1016/j.physleta.2015.01.037ISI: 000353613600010Scopus ID: 2-s2.0-84925843246OAI: oai:DiVA.org:kth-158023DiVA: diva2:773440
Note

Updated from manuscript to article in journal.

QC 20150521

Available from: 2014-12-19 Created: 2014-12-19 Last updated: 2017-12-05Bibliographically approved
In thesis
1. Properties of vibration and sound transmission of plates with stop bands
Open this publication in new window or tab >>Properties of vibration and sound transmission of plates with stop bands
2014 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2014. viii, 37 p.
Series
TRITA-AVE, ISSN 1651-7660 ; 2014:74
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-158025 (URN)
Presentation
2014-12-17, Hugin, Teknikringen 8, KTH, Stockholm, 13:00 (English)
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Note

QC 20141219

Available from: 2014-12-19 Created: 2014-12-19 Last updated: 2015-06-02Bibliographically approved

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Feng, Leping

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