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Reanalysis of Ice Pressure-Area Relationships

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In the polar regions of the world, ships and offshore structures may be subject to impacts with large ice features. Pressure-area models are commonly used to determine both local and global ice loads. A general description of the two types of ice pressure-area models is given. Reanalysis of data from the trials on the USCGC Polar Sea suggests rising average pressure with rising contact area, quite the opposite of the expected result. A quick review of other ice pressure data lends support to the hypothesis. The paper concludes with a discussion of the implications and needed research to improve our understanding of ice loads.
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Document Type: Research Article

Publication date: 2007-10-01

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