Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2009.1309.1316Shafai-BejestanM.SafaeiE.7200997In 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.]]>Bathe, K.J.,1996Chanson, H.,1997Dakshina Moorthy, C.M., J.N. Reddy and R.H. Plaut,1995Ergin, A. and P. Temarel,2002Hsieh, J.C. and R.H. Plaut,1990Mackerle, J.,2000Mysore, G.V., S.I. Liapsi and R.H. Plaut,1998Plaut, R.H. and S.A. Cotton,2005Plaut, R.H. and M.J. Leeuwrik,1988Tam, P.W.M.,1998Tou, S.K. And K.K. Wong,1987Watson, L.T., S. Suherman and R.H. Plaut,1999Wu, P.H. and R.H. Plaut,1996Zhang, X.Q., P.W.M. Tam and W. Zheng,2002