Surface effects on the diffraction of plane compressional waves by a nanosized circular hole

被引：104
|
作者：
Wang, G. F. [1 ]
Wang, T. J.
Feng, X. Q.
机构：
[1] Xian Jiaotong Univ, Dept Engn Mech, Xian 710049, Peoples R China
[2] Tsing Hua Univ, Dept Mat Engn, Beijing 100084, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 23期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2403899
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In the present letter, the authors consider the diffraction of plane harmonic compressional wave (P wave) by a nanosized circular hole. The surface elasticity theory is employed to incorporate the surface effects. The results show that once the radius of hole reduces to nanometers, surface energy significantly affects the diffraction of elastic waves. For incident waves with different frequencies, the influences of surface elasticity on dynamic stress concentration are discussed in details. (c) 2006 American Institute of Physics.
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