Effects of nonlinear thermoelastic damping in highly stressed fibers

被引：38
作者：
Cagnoli, G [1 ]
Willems, PA
机构：
[1] Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland
[2] CALTECH, LIGO Project, Pasadena, CA 91125 USA
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 17期
关键词：
D O I：
10.1103/PhysRevB.65.174111
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present an analysis of thermoelastic damping in materials arising from the temperature dependence of the elastic moduli. We show that this form of damping can cancel thermoelastic damping arising from thermal expansion for a suitably chosen operating stress. For the case of the suspension fibers used in the gravitational wave detectors, this loss mechanism can be the dominant one.
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页码：1 / 9
页数：9
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