RESEARCH PAPERS: Arctic Engineering

Constitutive Modeling of Sea Ice

[+] Author and Article Information
V. Chen, E. S. Chen, V. Vivatrat

Brian Watt Associates, Inc., Houston, Tex. 77032

J. Offshore Mech. Arct. Eng 109(2), 200-205 (May 01, 1987) (6 pages) doi:10.1115/1.3257010 History: Received October 24, 1986; Online October 30, 2009


Realistic constitutive models for ice are necessary for reliable prediction of ice loads and ice-structure interaction. Previous analytical work has tended to concentrate on ice behavior at low strain rates. Under high strain rates, the post peak softening behavior becomes more important than rate-dependency. This paper proposes a new constitutive model for ice under high strain rates, incorporating strain softening and pressure sensitivity. In its present form, the model is incrementally linear and can be easily implemented in a finite element computer program to solve monotonic loading problems.

Copyright © 1987 by ASME
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