Prediction of Vibration Transmission within Periodic Bar Structures: analytical vs numerical approach

Parthkumar Gandalal Domadiya, Lars Vabbersgaard Andersen, Sergey Sorokin

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Abstract

The present analysis focuses on vibration transmission within semi-infinite bar structure. The bar is consisting of two different materials in a periodic manner. A periodic bar model is generated using two various methods: The Finite Element method (FEM) and a Floquet theory approach. A parameter study is carried out regarding the influence of the number of periods at various frequencies within a semi-infinite bar, stop bands are illustrated at certain periodic intervals within
the structure. The computations are carried out in frequency domain in the range below 500 Hz. Results from both of the above methods are compared and analyzed
OriginalsprogEngelsk
TitelBNAM 2012 : Joint Baltic-Nordic Acoustics Meeting
RedaktørerPeter Juhl
Antal sider6
UdgivelsesstedKgs. Lyngby
ForlagNordic Acousticals Association
Publikationsdato2012
ISBN (Elektronisk)978-87-955400-0-6
StatusUdgivet - 2012
BegivenhedJoint Baltic-Nordic Acoustics Meeting 2012 - Odense, Danmark
Varighed: 18 jun. 201220 jun. 2012

Konference

KonferenceJoint Baltic-Nordic Acoustics Meeting 2012
Land/OmrådeDanmark
ByOdense
Periode18/06/201220/06/2012
NavnJoint Baltic-Nordic Acoustics Meeting (BNAM), Proceedings

Emneord

  • Prediction of Vibration Transmission
  • Periodic Bar Structures

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