The influence of the bottom contour on the deformed state of the ice cover due to the motion of the submarine |
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| Institution: | 1. National Centre for Maritime Engineering and Hydrodynamics, Australian Maritime College, University of Tasmania, Locked Bag 1395, Launceston, Tasmania 7250, Australia;2. Technology Centre for Offshore and Marine Singapore, 12 Prince George''s Park, 118411, Singapore;3. OMC International, 126 Trenery Crescent, Abbotsford, Victoria 3067, Australia |
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| Abstract: | The authors have previously determined that the effectiveness and failure pattern of the ice cover caused by flexural-gravity waves generated by a submerged body motion near the bottom ice can greatly depend on the depth of the water area. In its turn, the presence of a ledge on the ice surface may affect a wave propagation pattern. This paper presents an experimental study of the bottom contour influence on the deflection and length of flexural-gravity waves. The authors describe a numerical model for the analysis of the deformed state of ice caused by hydrodynamic loads due to a submarine motion, taking into account the bottom contour. The experiments are carried out in the ice tank. The results of calculations and experiments are compared. |
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| Keywords: | Submarine Ice Bottom contour Flexural-gravity waves |
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