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黏弹性材料界面裂纹应力场奇性分析
Alternative TitleSingularity of stress field around interface crack between viscoelastic bodies
魏培君; 章梓茂; 赵希淑
Source Publication力学学报
2002-07-19
Volume34Issue:4Pages:541-549
Abstract研究两半无限大黏弹性体间Griffith界面裂纹在简谐载荷作用下裂纹尖端动应力场的奇异特性。通过引入裂纹张开位移和裂纹位错密度函数,相应的混合边值问题归结为一组耦合的奇异积分方程。渐近分析表明裂尖动应力场的奇异特征完全包含在奇异积分方程的基本解中。通过对基本解的深入分析发现黏弹性材料界面裂纹尖动应力场具有与材料参数和外载荷频率相关的振荡奇异特性。以标准线性固体黏弹材料为例讨论了材料参数和载荷频率对奇性指数和振荡指数的影响。
Keyword黏弹性 界面裂纹 振荡奇异性 动应力场 奇异积分方程
Indexed ByCSCD
Language中文
CSCD IDCSCD:1013651
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40906
Collection力学所知识产出(1956-2008)
Corresponding Author魏培君
Recommended Citation
GB/T 7714
魏培君,章梓茂,赵希淑. 黏弹性材料界面裂纹应力场奇性分析[J]. 力学学报,2002,34,4,:541-549.
APA 魏培君,章梓茂,&赵希淑.(2002).黏弹性材料界面裂纹应力场奇性分析.力学学报,34(4),541-549.
MLA 魏培君,et al."黏弹性材料界面裂纹应力场奇性分析".力学学报 34.4(2002):541-549.
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