STUDY ON PRESSURE REDUCTION EFFECT BY UPLIFT FORCES AND APERTURE RATIO ON HORIZONTAL PLATFORM BASED ON GAS-LIQUID PHASE FLOW MODEL

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  • 三次元流体解析を用いた水平版に働く揚圧力と開口率による圧力低減効果に関する研究

Abstract

<p> In this study, the lift pressures acting on a horizontal slab due to traveling and overlapping waves were analyzed using a gas-liquid two-phase numerical wave models, and the pressure reduction effect by adding holes to the slab was investigated. As a result, it was confirmed from the numerical simulation that the pressure caused by the air compression was generated when waves did not reach to the horizontal plate. In addition, it was found that the pressure due to air compression was reduced to some extent by adding an aperture, and the reduction rate depended on the relative clearance and aperture ratio. For future studies, the response of the structure and the multi-directional irregular waves should be investigated to improve the versatility of the practical design.</p>

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