INFLUENCE OF LOCAL AND ADAPTIVE MESH REFINEMENT ON THE TIP VORTEX CHARACTERISTICS OF A WING AND PROPELLER

被引：0

作者：

Windt, J. ^{[1
]}

Bosschers, J. ^{[1
]}

机构：

[1] Maritime Res Inst Netherlands MARIN, POB 28, NL-6700 AA Wageningen, Netherlands

来源：

COMPUTATIONAL METHODS IN MARINE ENGINEERING VI (MARINE 2015) | 2015年

关键词：

CFD; RANS; adaptive mesh refinement; propellers; tip-vortices;

D O I：

暂无

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：

Two different methods to obtain nearly grid independent solutions for tip vortex flow were tested for a wing and a propeller. A priory mesh refinement inside a tube with a helix shaped centre line worked quite well, reducing the grid dependency of the minimum pressure in the vortex core significantly but the accuracy still depends on the initial mesh. Better results were obtained with adaptive mesh refinement using the jump based estimator. Projection of new created nodes to the exact geometry is required to obtain high accuracy.

引用

页码：862 / 873

页数：12

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