A MODEL FOR THE NUMERICAL SIMULATION OF RIVULET EVOLUTION ON A CIRCULAR CYLINDER IN AN AIR FLOW

被引：0

作者：

Robertson, A. G. ^{[1
]}

Taylor, I. J. ^{[1
]}

Wilson, S. K. ^{[2
]}

Duffy, B. R. ^{[2
]}

Sullivan, J. M. ^{[2
]}

机构：

[1] Univ Strathclyde, Dept Mech Engn, Glasgow G1 1XJ, Lanark, Scotland

[2] Univ Strathclyde, Dept Math, Glasgow G1 1XH, Lanark, Scotland

来源：

FLOW-INDUCED VIBRATION | 2008年

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The simultaneous occurrence of rain and wind can generate rivulets of water on the cables of cable-stayed bridges. Under certain conditions the interaction of these rivulets with the local aerodynamic field may result in Rain Wind Induced Vibration (RWIV). A method to model this phenomenon computationally is currently under development at the University of Strathclyde. The current paper presents a two-dimensional model for the evolution of a thin film of water on the outer surface of a circular cylinder subject to pressure, shear, surface-tension and gravitational forces. Numerical simulations of the resulting evolution equation using a bespoke pseudo-spectral solver capture the formation of 'rivulets'; the geometry, location and growth rate of which are all in good agreement with previous studies.

引用

页码：693 / +

页数：2

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