Scattering of SH wave by an interacting mode III crack and a circular cavity in half space

机译：交互作用III型裂纹和半空间中的圆形空腔对SH波的散射

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Scattering of SH wave by an elastic half space with a circular cavity and a crack in any position and direction is studied with Green's function, complex function and multi-polar coordinate method. First, a suitable Green's function is constructed, which is the fundamental solution of the displacement field for a half space with a circular cavity impacted by an out-plane harmonic line source loading at an arbitrary point in half space. Then a crack in any position and direction is constructed by means of crack-division in half space. Finally the displacement field and stress field are established in the case of coexistence of circular cavity and crack, and the expression of dynamic stress intensity factor (DSIF) at the tip of crack is given. According to numerical examples, the influences of different parameters on DSIF are discussed.

机译：利用格林函数，复函数和多极坐标法研究了弹性波半空间对SH波的散射，该半空间具有圆形空腔，并且在任意位置和方向都存在裂纹。首先，构造合适的格林函数，该函数是具有圆形空腔的半空间的位移场的基本解决方案，该半腔受到平面谐波线源在半空间中任意点处的载荷的影响。然后通过在半空间中的裂缝划分来构造任何位置和方向的裂缝。最后建立了圆孔与裂纹并存的位移场和应力场，给出了裂纹尖端的动应力强度因子（DSIF）的表达式。根据数值例子，讨论了不同参数对DSIF的影响。

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来源
《International Conference on Fracture and Damage Mechanics(FDM 2007); 20070717-19; Madeira(PT)》|2007年|P.861864|共2页
会议地点 Madeira(PT)
作者
Zailin Yang; Zhigang Chen; Diankui Liu;
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作者单位

School of Civil Engineering, Harbin Engineering University, Harbin 150001, China;

Department of Mechanics and Civil Engineering, Jinan University, Guangzhou 510632, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械强度;
关键词
scattering of SH wave; crack; dynamic stress intensity factor; green's function;

机译：SH波散射；裂纹；动应力强度因子；格林函数;

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专利

1. Scattering of SH wave by an interacting mode Ⅲ crack and a circular cavity in half space [J] . Zailin Yang, Zhigang Chen, Diankui Liu Key Engineering Materials . 2007,第期

机译：Ⅲ型裂纹与半空间圆腔相互作用对SH波的散射。
2. Scattering of SH-waves and Dynamic Stress Intensity Factor by an Interacting Mode III Crack and a Lining Structure in Half Space [J] . Zailin Yang, Meijuan Xu, Baitao Sun Key Engineering Materials . 2008,第期

机译：III型相互作用裂纹和衬砌结构在半空间中对SH波的散射和动态应力强度因子
3. Far Field Solution of SH-wave Scattered by a Circular Cavity and a mode III Crack in Half Space [J] . Baitao Sun, Peilei Yan, Zailin Yang Key Engineering Materials . 2008,第期

机译：半空间中圆形腔和III型裂纹对SH波的远场解
4. Scattering of SH wave by an interacting mode III crack and a circular cavity in half space [C] . Zailin Yang, Zhigang Chen, Diankui Liu International Conference on Fracture and Damage Mechanics . 2007

机译：通过相互作用的模式III裂缝和半空间中的圆形腔散射SH波
5. Transient scattering of a plane SH wave by a rough cavity of arbitrary shape embedded in an elastic half-space. [D] . Fedorchak, Miriam Tam Dan. 2011

机译：平面SH波通过嵌入弹性半空间的任意形状的粗糙腔体的瞬时散射。
6. Linearly Tunable Fano Resonance Modes in a Plasmonic Nanostructure with a Waveguide Loaded with Two Rectangular Cavities Coupled by a Circular Cavity [O] . Qiong Wang, Zhengbiao Ouyang, Yiling Sun, 2019

机译：等离子体纳米结构中线性可调谐的Fano共振模式其波导装有两个矩形腔和一个圆形腔波导
7. Diffraction of plane SH waves by a semi-circular cavity in half-space [O] . Jianwen Liang, Hao Luo, Vincent W Lee 2010

机译：半圆形空间中的平面Sh波的衍射
8. Three-Dimensional Scattering of Impulsive Acoustic Waves by a Semi-Infinite Crack in the Plane Interface of a Half Space and a Layer [R] . Kooij, B. J. , Quak, D. 1987

机译：半空间与层间平面界面半无限裂纹对脉冲声波的三维散射

Scattering of SH wave by an interacting mode III crack and a circular cavity in half space

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