The linearisation of three dimensional drag force in random seas with current |
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| Authors: | RS Langley |
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| Institution: | Offshore Structures Group, Cranfield Institute of Technology, Cranfield, Bedford MK43 0AL, UK |
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| Abstract: | A frame invariant linearisation method for three-dimensional drag force in random seas with current is presented. Numerical results are compared with those obtained from a commonly used linearisation method which is based on a non-frame invariant approximation to the drag force. Significant differences are discovered and the present method is found to show closer agreement with computed time histories of the true drag force. |
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| Keywords: | linearisation drag forces three dimensional |
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