Nonlinear fluid-structure interaction of a restrained slender body of revolution at high angles of attack

被引：0
|
作者：
Degani, David [1 ]
Gottlieb, Oded [1 ]
Ishay, Mark [1 ]
机构：
[1] Technion Israel Inst Technol, Dept Mech Engn, Haifa, Israel
来源：
ADVANCES IN ENGINEERING MATERIALS, STRUCTURES AND SYSTEMS: INNOVATIONS, MECHANICS AND APPLICATIONS | 2019年
关键词：
DISTURBANCE; FLOW;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The flow around an inclined tangent ogive-cylindrical body of a finite length, placed in a wind tunnel and allowed to yaw in the x-y plane, is studied computationally. The flow is three-dimensional, compressible and laminar with Reynolds number of 30,000 based on the body diameter and a Mach number of 0.2. The study covers the range of angles of attack from 0 degrees to 60 degrees, both for fixed and yaw-restrained configurations where solutions are determined after removal of initial disturbances. The restrained-yaw configuration portrays a distinct bifurcation pattern that includes coexisting periodic limit-cycle oscillations and nonstationary solutions for moderate and large angles of attack respectively.
引用
收藏
页码：729 / 734
页数：6
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