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Wave propagation in sandwich structures with resonators and periodic cores.

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Title: Wave propagation in sandwich structures with resonators and periodic cores.
Authors: Chen, JS1, Sun, CT2 sun@purdue.edu
Source: Journal of Sandwich Structures & Materials. May2013, Vol. 15 Issue 3, p359-374. 16p.
Subjects: Theory of wave motion, Sandwich construction (Materials), Resonators, Band gaps, Lattice constants, Electronic structure
Abstract: Wave propagation in sandwich structures containing periodic cores and local resonators are studied. The effect on wave attenuation is emphasized. It is found that within certain frequency bands wave is forbidden from propagating through the structure with periodic cores or with resonators. It is also found that for the structure consisting of two different core materials periodically placed along the beam length, the location and range of the stop band can be tailored by the physical properties of the core. Also, with fixed core properties, the lattice constant becomes an important factor in controlling the location of the stop band. Moreover, the coupling of the two mechanisms can effectively enlarge the width of the stop band and enhance wave attenuation. It is evident that resonators are easier to use for filtering disturbances with low frequencies. [ABSTRACT FROM PUBLISHER]
Copyright of Journal of Sandwich Structures & Materials is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 87617696
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Wave propagation in sandwich structures with resonators and periodic cores.
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+JS%22">Chen, JS</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sun%2C+CT%22">Sun, CT</searchLink><relatesTo>2</relatesTo><i> sun@purdue.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Sandwich+Structures+%26+Materials%22">Journal of Sandwich Structures & Materials</searchLink>. May2013, Vol. 15 Issue 3, p359-374. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Theory+of+wave+motion%22">Theory of wave motion</searchLink><br /><searchLink fieldCode="DE" term="%22Sandwich+construction+%28Materials%29%22">Sandwich construction (Materials)</searchLink><br /><searchLink fieldCode="DE" term="%22Resonators%22">Resonators</searchLink><br /><searchLink fieldCode="DE" term="%22Band+gaps%22">Band gaps</searchLink><br /><searchLink fieldCode="DE" term="%22Lattice+constants%22">Lattice constants</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+structure%22">Electronic structure</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Wave propagation in sandwich structures containing periodic cores and local resonators are studied. The effect on wave attenuation is emphasized. It is found that within certain frequency bands wave is forbidden from propagating through the structure with periodic cores or with resonators. It is also found that for the structure consisting of two different core materials periodically placed along the beam length, the location and range of the stop band can be tailored by the physical properties of the core. Also, with fixed core properties, the lattice constant becomes an important factor in controlling the location of the stop band. Moreover, the coupling of the two mechanisms can effectively enlarge the width of the stop band and enhance wave attenuation. It is evident that resonators are easier to use for filtering disturbances with low frequencies. [ABSTRACT FROM PUBLISHER]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Sandwich Structures & Materials is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/1099636212468738
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 359
    Subjects:
      – SubjectFull: Theory of wave motion
        Type: general
      – SubjectFull: Sandwich construction (Materials)
        Type: general
      – SubjectFull: Resonators
        Type: general
      – SubjectFull: Band gaps
        Type: general
      – SubjectFull: Lattice constants
        Type: general
      – SubjectFull: Electronic structure
        Type: general
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      – TitleFull: Wave propagation in sandwich structures with resonators and periodic cores.
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            NameFull: Chen, JS
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              Text: May2013
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              Y: 2013
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