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RESEARCH PAPERS: Arctic Engineering

Effect of Interface Conditions on Dynamic Ice-Structure Interaction

[+] Author and Article Information
C. Vipulanandan, A. N. Williams

Department of Civil Engineering, University of Houston, Houston, TX 77004

J. Offshore Mech. Arct. Eng 111(1), 70-77 (Feb 01, 1989) (8 pages) doi:10.1115/1.3257142 History: Received January 01, 1987; Revised May 18, 1988; Online October 30, 2009

Abstract

Elastic wave theory is utilized to investigate the influence of interface boundary conditions on the dynamic characteristics of a circular cylindrical structure subjected to steady-state and impulsive horizontal excitation while surrounded by an elastic ice medium of infinite horizontal extent. The influence of modified interface boundary conditions relating the shear stresses to the relative displacement (slip) or relative velocity (rate of slip) on the stiffness and damping parameters are studied and the results are compared to the usual fixed and free boundary conditions on the cylinder surface.

Copyright © 1989 by ASME
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