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Title: Underwater shock-free surface-structure interaction
Authors: Liu, T.G.
Khoo, B.C. 
Yeo, K.S. 
Wang, C. 
Keywords: Free surface
Gas bubble-water interface
Submerged structure
Underwater shock
Wave interaction
Issue Date: 28-Sep-2003
Citation: Liu, T.G., Khoo, B.C., Yeo, K.S., Wang, C. (2003-09-28). Underwater shock-free surface-structure interaction. International Journal for Numerical Methods in Engineering 58 (4) : 609-630. ScholarBank@NUS Repository.
Abstract: A recently developed numerical method has been employed to evaluate the influence of free surface on shock loading in a cylindrical underwater explosion carried out near to both a free surface and a cylindrical rigid structure. In the usual simulation of underwater shock-structure interaction, the shock loading tends to accelerate/move the (rigid) structure only in the resultant force direction. The presence of a free surface and explosion bubble suggests the existence of a reverse loading and provides an additional torque (rotational moment) on the loaded structure. The numerical results also demonstrate the possible existence of a cavitation zone/region in the immediate vicinity of the free surface due to the near-surface underwater explosion. © 2003 John Wiley and Sons, Ltd.
Source Title: International Journal for Numerical Methods in Engineering
ISSN: 00295981
DOI: 10.1002/nme.791
Appears in Collections:Staff Publications

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