Ice friction: Glacier sliding on hard randomly rough bed surface

被引：11
|
作者：
Persson, B. N. J. [1 ,2 ]
机构：
[1] FZ Julich, PGI 1, Julich, Germany
[2] Multiscale Consulting, Wolfshovener Str 2, D-52428 Julich, Germany
来源：
JOURNAL OF CHEMICAL PHYSICS | 2018年 / 149卷 / 23期
关键词：
CONTACT MECHANICS; RUBBER-FRICTION;
D O I：
10.1063/1.5055934
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
I present a theory for ice friction for ice sliding on a hard randomly rough surface which includes ice melting-freezing (regelation), viscoelastic energy dissipation, and cavitation. The theory is an extension of earlier work by Weertman, Lliboutry, Nye, and Kamb. I present numerical results for surfaces with realistic surface roughness power spectra. I consider both airfilled and (pressurized) waterfilled cavities. The calculated frictional shear stresses are consistent with experimental observations for temperate glaciers. Published by AIP Publishing.
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收藏
页数：7
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