Steady‐State Ice‐Structure Interaction Analysis
Publication: Journal of Engineering Mechanics
Volume 112, Issue 10
Abstract
Two‐dimensional elastic wave theory is utilized to investigate the steady‐state dynamic response of a cylindrical structure of elliptic cross section surrounded by an ice sheet of infinite extent. Fixed and frictionless boundary conditions at the ice‐structure interface are considered under both plane stress and plane strain conditions. Numerical results are presented which show the effect of structural geometry, direction and frequency of vibration, and choice of boundary conditions on the dynamic characteristics of the ice‐structure system. The analysis shows that the behavior of the ice‐structure system is primarily controlled by the associated damping effects rather than the added mass. These results provide a measure of ice sheet resistance to the vibrational motion of structures surrounded by floating ice sheets and are applicable to the dynamic and seismic analysis of arctic offshore platforms.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 112 • Issue 10 • October 1986
Pages: 989 - 1006
Copyright
Copyright © 1986 ASCE.
History
Published online: Oct 1, 1986
Published in print: Oct 1986
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