Dynamic modulus estimation and structural vibration analysis.

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Often the dynamic elastic modulus of a material with frequency dependent properties is difficult to estimate. These uncertainties are compounded in any structural vibration analysis using the material properties. Here, different experimental techniques are used to estimate the properties of a particular elastomeric material over a broad frequency range. Once the properties are determined, various structures incorporating the elastomer are analyzed by an interactive finite element method to determine natural frequencies and mode shapes. Then, the finite element results are correlated with results obtained by experimental modal analysis.

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10 p.

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Gupta, A. November 18, 1998.

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Description

Often the dynamic elastic modulus of a material with frequency dependent properties is difficult to estimate. These uncertainties are compounded in any structural vibration analysis using the material properties. Here, different experimental techniques are used to estimate the properties of a particular elastomeric material over a broad frequency range. Once the properties are determined, various structures incorporating the elastomer are analyzed by an interactive finite element method to determine natural frequencies and mode shapes. Then, the finite element results are correlated with results obtained by experimental modal analysis.

Physical Description

10 p.

Notes

OSTI as DE00011074

Medium: P; Size: 10 pages

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  • 17th International Modal Analysis Conference (IMAC), Kissimmee, FL (US), 02/08/1999--02/11/1999

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  • Report No.: ANL/ET/CP-97550
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11074
  • Archival Resource Key: ark:/67531/metadc626828

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • November 18, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 6:42 p.m.

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Gupta, A. Dynamic modulus estimation and structural vibration analysis., article, November 18, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc626828/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.