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Civil-Comp Proceedings
ISSN 1759-3433
ISSN 1759-3433
CCP: 22
ADVANCES IN FINITE ELEMENT TECHNIQUES
ADVANCES IN FINITE ELEMENT TECHNIQUES
Edited by: M. Papadrakakis and B.H.V. Topping
Paper III.1
Dynamic Interaction Effects of Dam-Foundation-Reservoir Systems Evaluated by an FE-BE Method in the Time Domain
T. Ohmachi and S. Kataoka
Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Yokohama, Japan
Full Bibliographic Reference for this paper
T. Ohmachi, S. Kataoka, "Dynamic Interaction Effects of Dam-Foundation-Reservoir Systems Evaluated by an FE-BE Method in the Time Domain", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Finite Element Techniques", Civil-Comp Press, Edinburgh, UK, pp 99-106, 1994. doi:10.4203/ccp.22.3.1
Abstract
Dynamic response of a dam interacted with foundation and
reservoir is evaluated by an FE-BE method in time domain.
Interaction effects and radiation damping are expressed by
reduction rate of Vs, added mass and internal damping ratio
for several values of impedance ratio. Using the evaluated
results, a simple procedure based on FEM is proposed for
dynamic analysis of dams. Both the FE BE method and the
proposed one are applied to earthquake response analysis of
an actual dam. The simulated responses are almost similar
each other, showing a good agreement with the observation.
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