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문풀을 가지는 2차원 부유체의 강제 상하동요에 대한 CFD 해석
허재경(Jaekyung Heo),박종천(Jong-Chun Park),Moo-Hyun Kim 한국해양공학회 2011 韓國海洋工學會誌 Vol.25 No.2
A two-dimensional floating body with a moon pool under forced heave motion, including a piston mode, is numerically simulated. A dynamic CFD simulation is carried out to thoroughly investigate the flaw field around a two-dimensional moon pool aver various heaving frequencies. The numerical results are compared with experimental results and a linear potential program by Faltinsen et al. (2007). The effects of vortex shedding and viscosity are investigated by changing the corner shapes of the floating body and solving the Euler equation, respectively. The flaw fields, including the velocity, vorticity, and pressure fields, are discussed to understand and determine the mechanisms of wave elevation, damping, and sway force.