Viscously damped transverse vibrations of an axially-moving string

被引：0

作者：

Jaksic, N

Boltezar, M

机构：

[1] Univ Ljubljana, Fak Strojinstvo, Ljubljana 1000, Slovenia

[2] Univ Ljubljana, Fac Mech Engn, SI-1000 Ljubljana, Slovenia

来源：

STROJNISKI VESTNIK-JOURNAL OF MECHANICAL ENGINEERING | 2005年 / 51卷 / 09期

关键词：

partial differential equations; hyperbolic equations; free damped vibrations; moving string systems;

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：

In this paper the linear viscous-damping mechanism acting on an axially-moving string is analyzed. The analyzed damping model is in the form b(1) partial derivative w/partial derivative t + partial derivative w/partial derivative x. The equation of motion, i.e., the linear partial differential equation, of the free, transverse vibrations of the string span is solved first. Then the influence of the coefficients b(1) and b(2) on the natural frequencies and the free responses is studied. It was found that the values of the coefficients should be carefully selected in order to avoid physically unrealistic responses. (c) 2005 Journal of Mechanical Engineering. All rights reserved.

引用

页码：560 / 569

页数：10

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