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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 4/5
Edited by: B.H.V. Topping
Paper XI.2

Dynamic Response Analysis of Soil-Offshore Structure Systems

K. Kawano*, Y. Yamada+ and K. Venkatarama+

*Department of Offshore and Civil Engineering, Kagoshima University
+Department of Civil Engineering, Kyoto University, Japan

Full Bibliographic Reference for this paper
K. Kawano, Y. Yamada, K. Venkatarama, "Dynamic Response Analysis of Soil-Offshore Structure Systems", in B.H.V. Topping, (Editor), "Proceedings of the Third International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 315-319, 1987. doi:10.4203/ccp.4.11.2
The dynamic soil structure interaction seems to have significant roles on the response evaluation of the dynamic response analysis of offshore structures subjected to wave forces. The emphasis is placed upon the evaluation of the dynamic interaction of a soil structure interaction system due to random wave forces which are represented with the power spectral density function of the Bretschneider type. The governing equation of the soil offshore structure system is formulated with the substructure method.

Consequently, it is shown that the dynamic soil structure interaction plays important roles on the evaluations of the dynamic responses for the offshore structure system. The response due to the dynamic soil structure interaction provides larger evaluations than the rigidly supported base conditions. The first few modes evaluations appear to have significant contributions to the response of the dynamic soil structure interaction system.

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