RESEARCH PAPERS: Offshore Mechanics

Random Response of Offshore Towers With Pile-Soil-Pile Interaction

[+] Author and Article Information
M. Novak

The University of Western Ontario, London, Ontario, Canada

H. Mitwally

PMB Systems Engineering, Inc., San Francisco, CA

J. Offshore Mech. Arct. Eng 112(1), 35-41 (Feb 01, 1990) (7 pages) doi:10.1115/1.2919833 History: Received January 01, 1988; Revised April 28, 1989


Dynamic pile-soil-pile interaction is analyzed using dynamic interaction factors. For pile groups, complex stiffness matrices are formulated in closed form for excitation in all vibration modes and introduced into the analysis of an offshore tower. The effects of dynamic pile-soil-pile interaction on tower response to random wave forces are demonstrated. Temporal as well as spatial randomness of wave forces are considered.

Copyright © 1990 by The American Society of Mechanical Engineers
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