Numerical study of distributed hydrodynamic forces on a circular heave plate by large-eddy simulations with volume of fluid method

被引：9
|
作者：
Zhang, Shining [1 ]
Ishihara, Takeshi [2 ]
机构：
[1] Global Energy Interconnect Dev & Cooperat Org, Econ & Technol Res Inst, Climate Change & Environm Res Div, Beijing 100031, Peoples R China
[2] Univ Tokyo, Sch Engn, Dept Civil Engn, Tokyo, Japan
来源：
SHIPS AND OFFSHORE STRUCTURES | 2020年 / 15卷 / 06期
关键词：
Distributed hydrodynamic load; large-eddy simulation; formulas of the distributed added mass and drag coefficients; OSCILLATING SHARP EDGES; OFFSHORE WIND TURBINE; KC FLOW REGIMES; DYNAMIC-RESPONSE; COEFFICIENTS; SPAR;
D O I：
10.1080/17445302.2019.1661630
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Distributed hydrodynamic forces on circular heave plates are investigated by large-eddy simulation (LES) with volume of fluid (VOF) method. First, the predicted added mass and drag coefficients for a whole heave plate is validated by published experimental data. The distributions of hydrodynamic loads on the circular heave plates are then investigated. It is found that maximum dynamic pressure occurs at the plate centre and decreases monotonically towards the outer regions. Finally, formulas of distributed added mass and drag coefficients in the radial direction are proposed based on present numerical simulations, and effects of aspect ratio and diameter ratio on the distributed added mass and drag coefficients are investigated.
引用
收藏
页码：574 / 586
页数：13
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