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http://dx.doi.org/10.7846/JKOSMEE.2017.20.2.63

Analysis on Interaction of Regular Waves and a Circular Column Structure  

Song, Seongjin (Department of Ocean Engineering, Korea Maritime and Ocean University)
Park, Sunho (Department of Ocean Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.20, no.2, 2017 , pp. 63-75 More about this Journal
Abstract
In offshore environment, an accurate estimation of a wave-structure interaction has been an important issue for safe and cost effective design of fixed and floating offshore structures exposed to a harsh environment. In this study, a wave-structure interaction around a circular column was investigated with regular waves. To simulate 3D two-phase flow, open source computational fluid dynamics libraries, called OpenFOAM, were used. Wave generation and absorption in the wave tank were activated by the relaxation method, which implemented in a source term. To validate the numerical methods, generated Stokes 2nd-order wave profiles were compared with the analytic solution with deep water condition. From the validation test, grid longitudinal and vertical sizes for wave length and amplitude were selected. The simulated wave run-up and wave loads on the circular column were studied and compared with existing experimental data.
Keywords
Circular Column; Numerical Wave Tank; Open Source Library; OpenFOAM; Wave-structure Interaction;
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