IMECH-IR  > 力学所知识产出(1956-2008)
疲劳短裂纹群体损伤随机特征研究
洪友士; 郑亮; 乔宇
Source Publication“力学2000”学术大会论文集
2000
Pages70-76
Conference Name“力学2002”学术大会
Conference Date2000-8-1
Conference Place中国北京
Abstract疲劳短裂纹发展过程呈现随机特征。采用裂纹数密度演化方法用于描述短裂纹群体损伤的随机行为。模拟结果给出了不同局域短裂纹随机发展的特征。两类金属材料的实验结果显示了试样表面不同视场短裂纹的数量和最大长度随载荷周次的随机变化,还给出了短裂纹总数与疲劳周次的关系。实验结果与数值模拟结果相符合。
Keyword疲劳短裂纹 群体损伤 随机特征
Department力学所
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48105
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
洪友士,郑亮,乔宇. 疲劳短裂纹群体损伤随机特征研究[C]“力学2000”学术大会论文集,2000:70-76.
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