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Journal of Applied Sciences
  Year: 2009 | Volume: 9 | Issue: 7 | Page No.: 1309-1316
DOI: 10.3923/jas.2009.1309.1316
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3 Dimensional Analysis of Linear Vibrations of the Rubber Dam Using

M. Shafai-Bejestan and E. Safaei

In this study, dynamic characteristics of a rubber dam, such as vibration frequencies and the corresponding mode shapes are computed by using finite element software produced by ANSYS, Inc. A three-dimensional model is utilized to compute the vibration modes and the frequencies of a double-anchor rubber dam both in presence and the absence of external water and the results are compared with other results which have been obtained previously. Natural frequencies of the vibrations of a single-anchor rubber dams in the cases without external pressure, with external water pressure and with parallel flow pressure are considered. A computer simulated model of these structures is analyzed and then the effect of the internal pressure, external water head and parallel flow velocity on the vibrations of the rubber dam is studied the results are compared with the case that the dam is not impounding water and finally after comparing these results with the previous analytical and numerical results, the reasons of some little differences have been expressed.
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How to cite this article:

M. Shafai-Bejestan and E. Safaei, 2009. 3 Dimensional Analysis of Linear Vibrations of the Rubber Dam Using. Journal of Applied Sciences, 9: 1309-1316.

DOI: 10.3923/jas.2009.1309.1316






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