Numerical analysis of dynamic response of jacket structures subject to slamming forces by breaking waves | Zendy

Chanjo Woo | Zendy; Insik Chun | Zendy; Christy Ushanth Navaratnam | Zendy; Jae-Seol Shim | Zendy

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Numerical analysis of dynamic response of jacket structures subject to slamming forces by breaking waves

Author(s) -

Chanjo Woo,

Insik Chun,

Christy Ushanth Navaratnam,

Jae-Seol Shim

Publication year - 2017

Publication title -

international journal of naval architecture and ocean engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.047

H-Index - 26

eISSN - 2092-6790

pISSN - 2092-6782

DOI - 10.1016/j.ijnaoe.2016.11.005

Subject(s) - slamming , structural engineering , numerical analysis , engineering , mechanics , computer simulation , physics , mathematics , mathematical analysis , marine engineering , hull , simulation

The present study numerically analyzed the dynamic behavior of 3D framed structures subject to impulsive slamming forces by violent breaking waves. The structures were modeled using multiple lumped masses for the vertical projections of each member, and the slamming forces from the breaking waves were concentrated on these lumped masses. A numerical algorithm was developed to properly incorporate the slamming forces into a dynamic analysis to numerically determine the structural responses. Then, the validity of the numerical analysis was verified using the results of an existing hydraulic experiment. The numerical and experimental results for various model structures were generally in good agreement. The uncertainties concerning the properties of the breaking waves used in the verification are also discussed here

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