IMECH-IR  > 力学所知识产出(1956-2008)
裂纹尖端弹塑性变形的实验测量与有限元计算
周忠良; 顾家琳; 陈南平; 李国琛; 刘洪秋
Source Publication力学学报
1995
Volume27Issue:S1Pages:51-57
ISSN0459-1879
Abstract用显微网格数字图像处理方法,测量了Fe-Si材料平面应力条件下Ⅰ型单边裂纹尖端附近的应变场,并且用弹塑性有限元程序进行了数值模拟。对实测结果和有限元计算模拟结果进行了对比分析。结果表明:逐级更新拉格朗日坐标体系下的弹塑性有限元计算在裂纹尖端不出现严重钝化和损伤的条件下,可以正确反映裂尖区域的弹塑性变形。在裂纹接近临界扩展时,有限元计算与实测结果之间有较大差别,其原因有待进一步研究。
Keyword裂纹尖端 弹塑性有限元 弹塑性变形 应变场
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/35332
Collection力学所知识产出(1956-2008)
Corresponding Author周忠良
Recommended Citation
GB/T 7714
周忠良,顾家琳,陈南平,等. 裂纹尖端弹塑性变形的实验测量与有限元计算[J]. 力学学报,1995,27,S1,:51-57.
APA 周忠良,顾家琳,陈南平,李国琛,&刘洪秋.(1995).裂纹尖端弹塑性变形的实验测量与有限元计算.力学学报,27(S1),51-57.
MLA 周忠良,et al."裂纹尖端弹塑性变形的实验测量与有限元计算".力学学报 27.S1(1995):51-57.
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