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Scattering of Elastic Waves by Small Surface-Breaking or Subsurface Cracks in Three Dimensions

机译：三维小表面破裂或次表面裂纹对弹性波的散射

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摘要

The long-wavelength limit of elastic wave scattering by surface cracks in 3d is considered. It is shown that, if the crack is normal to the surface, the scattering can be described by two real parameters, one of which may be taken to be the crack size. The other therefore depends on shape, orientation, and burial depth. Many computed illustrations are given. It is concluded that the amount of information about cracks obtainable by low frequency elastic wave scattering is very limited. (ERA citation 10:046964)

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作者
Visscher, W. M.;
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年度 1985
页码 1-11
总页数 11
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Cracks; Acoustic Testing; Elastic Scattering; Elasticity; Long Wave Radiation; Mathematical Models; Three-Dimensional Calculations; Wavelengths;

机译：裂缝;声学测试;弹性散射;弹性;长波辐射;数学模型;三维计算;波长;

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专利

1. Elastic wave scattering by a surface‐breaking or subsurface planar crack. II. Three‐dimensional geometry [J] . Journal of Applied Physics . 1985,第5期

机译：由表面破裂或地下平面裂缝引起的弹性波散射。二。三维几何
2. Detection of the depth of a surface-breaking crack using transient elastic waves [J] . T. T. Wu, J. S. Fang, P. L. Liu The Journal of the Acoustical Society of America . 1995,第3期

机译：使用瞬态弹性波检测表面裂纹的深度
3. Elastic wave scattering by a surface‐breaking or subsurface planar crack [J] . Journal of Applied Physics . 1984,第3期

机译：表面破裂或地下平面裂缝引起的弹性波散射
4. Lamb wave scattering by a pair of surface-breaking inclined cracks in a plate [C] . Li-yun Cao, Yan-long Xu, Zhi-chun Yang Symposium on Piezoelectricity, Acoustic Waves and Device Applications . 2016

机译：板中的一对表面破裂倾斜裂纹对兰姆波的散射
5. Depth evaluation of surface-breaking cracks in concrete using mechanical waves. [D] . Yang, Yanjun. 2006

机译：使用机械波深度评估混凝土表面裂纹的深度。
6. A Practical Guide to Source and Receiver Locations for Surface Wave Transmission Measurements across a Surface-Breaking Crack in Plate Structures [O] . Janghwan Kim, Seong-Hoon Kee, Jin-Wook Lee, 2019

机译：板结构表面断裂裂纹表面波透射测量的源和接收器位置实用指南
7. Scattering of Elastic Waves by Small Surface-Breaking or Subsurface Cracks in Three Dimensions [O] . Visscher, William M. 1986

机译：三维中较小的表面破裂或地下裂缝对弹性波的散射
8. Elastic Wave Scattering by Surface-Breaking Planar and Nonplanar Cracks [R] . Shah, A. H., Chin, Y. F., Datta, S. K. 1987

机译：表面破裂平面和非平面裂纹的弹性波散射

Scattering of Elastic Waves by Small Surface-Breaking or Subsurface Cracks in Three Dimensions

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