Numerical Investigation of an Oscillating Airfoil using Immersed Boundary Method

被引：1

作者：

Zhong, Guohua ^{[1
]}

Du, Lin ^{[2
]}

Sun, Xiaofeng ^{[2
]}

机构：

[1] GE Co, Aviat China Engn, Shanghai 201203, Peoples R China

[2] Beihang Univ, Sch Jet Prop, Beijing 100191, Peoples R China

来源：

JOURNAL OF THERMAL SCIENCE | 2011年 / 20卷 / 05期

关键词：

turbomachinery; IB method; fluid-structure interaction; INTERFACE METHOD; ELLIPTIC-EQUATIONS; FLOW; FLUID; SIMULATION; CYLINDER; FLUTTER;

D O I：

10.1007/s11630-011-0489-y

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Based on the immersed boundary method, a numerical simulation for an oscillating airfoil is established and a preliminary analysis of the oscillating airfoil is presented with an emphasis on the physical understanding of fluid-structure interaction. In order to validate the method, two simulation cases: oscillating circular cylinder at low K-C number and two degrees of freedom oscillating cylinder are carried out first and the results are in good agreement with the previous researches. In the oscillating airfoil simulation, it is found that the reduced velocity U* is a very sensitive factor and especially U*similar to 2.8 is the critical stable boundary in the present work. The method shows the predominance of time saving in computational process for such a complicated fluid-structure interaction problem.

引用

页码：413 / 422

页数：10

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