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Shock attenuation in lattices using phononics
Descriptive
TitleInfo
Title
Shock attenuation in lattices using phononics
Name
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Llumiquinga
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Bryan D.
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1995-
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Bryan D. Llumiquinga
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author
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Singer
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Jonathan P
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Jonathan P Singer
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Advisory Committee
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chair
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ANDREW
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ANDREW NORRIS
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internal member
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Pelegri
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Mina
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Mina Pelegri
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Advisory Committee
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internal member
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Rutgers University
Role
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degree grantor
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School of Graduate Studies
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school
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Text
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theses
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ETD graduate
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2020
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2020-10
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2020
Language
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English
Abstract
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Supersonic aircraft deal with turbulent conditions during flight. These turbulent conditions lead to unwanted stresses that often adversely affects the payload. Several lattices were designed to help attenuate any vibrations or shock that may be experienced by the payload through the concept of phononic crystals. Phononic crystals are periodic composite materials designed to control the propagation of mechanical waves using acoustic band gaps. Three different lattice deigns implemented to a cylindrical shell body were initially explored for this study. Combination lattices consisting of two different lattices within the same geometry were also explored. Combination lattices outperformed their single lattice design counterparts, in terms of frequency suppression, due to the fill factor of mechanically contrasting geometries. All lattice cases evaluated experienced a dominant peak in the frequency domain, near the ring frequency of the cylinder. Low frequency cantilevers were successful in trapping some of the energy caused by the ring mode of the structure.
Subject
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Topic
Mechanical and Aerospace Engineering
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Rutgers University Electronic Theses and Dissertations
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ETD_11166
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application/pdf
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Extent
1 online resource (xvii, 86 pages) : illustrations
Note
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M.S.
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Includes bibliographical references
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School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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NjNbRU
Identifier
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doi:10.7282/t3-zhra-tx78
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Llumiquinga
GivenName
Bryan
Role
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Type
Permission or license
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2020-09-20 18:28:02
AssociatedEntity
Name
Bryan Llumiquinga
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Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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Embargo
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2020-10-31
DateTime
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2022-10-31
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 31st, 2022.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical
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windows xp
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1.7
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2020-09-22T15:45:47
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2020-09-22T15:45:47
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