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Universal shielding effect of curvature on two interacting cracks 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2023, 卷号: 179, 页码: 105389
作者:  Liu, Mengqi;  Zhen, Yu;  Sun, Yi;  He, Linghui;  Wu, Kaijin;  Ni Y(倪勇)
Adobe PDF(7523Kb)  |  收藏  |  浏览/下载:24/0  |  提交时间:2023/09/05
Curvature  Fracture  Crack propagation paths  The interaction of multiple cracks  Shielding effect  
A framework to simulate the crack initiation and propagation in very-high-cycle fatigue of an additively manufactured AlSi10Mg alloy 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2023, 卷号: 175, 页码: 105293
作者:  Sun JY(孙经雨);  Qian GA(钱桂安);  Li JH(李江华);  Li, Ruiyang;  Jian, Zhimo;  Hong YS(洪友士);  Berto, Filippo
Adobe PDF(6203Kb)  |  收藏  |  浏览/下载:74/3  |  提交时间:2023/06/15
Crystal plasticity  Cohesive zone model  Very-high-cycle fatigue  Microstructure-sensitive fatigue  Short crack growth  
CDEM-based simulation of the 3D propagation of hydraulic fractures in heterogeneous Coalbed Methane reservoirs 期刊论文
COMPUTERS AND GEOTECHNICS, 2022, 卷号: 152, 页码: 104992
作者:  Ren, Qingshan;  Zhao, Yixin;  Zhu XG(朱心广);  Zhou Y(周宇);  Jiang, Yaodong;  Wang, Pengpeng;  Zhang, Cun
Adobe PDF(16366Kb)  |  收藏  |  浏览/下载:216/44  |  提交时间:2022/10/23
Continuous discontinuous element method (CDEM)  Discrete fracture network (DFN)  Volume heterogeneity  Maximum fracture width  Multivariate regression analysis  
异构中熵CrCoNi合金的疲劳裂纹扩展行为与机理研究 学位论文
硕士论文,北京: 中国科学院大学, 2022
作者:  刘洋
Adobe PDF(14334Kb)  |  收藏  |  浏览/下载:122/8  |  提交时间:2023/01/05
异质结构,中熵合金,再结晶退火,疲劳裂纹扩展门槛值,裂纹尖端塑性区  
虚单元计算方法的最新理论与应用进展 期刊论文
力学进展, 2022, 卷号: 52, 期号: 04, 页码: 874-913
作者:  刘传奇;  许广涛;  魏宇杰
Adobe PDF(12419Kb)  |  收藏  |  浏览/下载:166/49  |  提交时间:2023/03/16
虚单元法  非多项式函数  工程科学计算  单元凸凹性  
渗流作用下地质体变形破裂高精度计算方法 学位论文
博士论文,北京: 中国科学院大学, 2022
作者:  朱心广
Adobe PDF(6583Kb)  |  收藏  |  浏览/下载:194/10  |  提交时间:2022/07/18
地质体  流固耦合  连续-非连续  裂缝扩展  水力压裂  
氧化铝陶瓷火焰热冲击下预制裂纹的扩展研究 学位论文
硕士论文,北京: 中国科学院大学, 2022
作者:  李庆显
Adobe PDF(4959Kb)  |  收藏  |  浏览/下载:237/12  |  提交时间:2022/07/05
陶瓷热震  实时观测  裂纹扩展速度  动态应力强度因子  数值模拟  
Defect-induced cracking and fine granular characteristics in very-high-cycle fatigue of laser powder bed fusion AlSi10Mg alloy 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2022, 卷号: 158, 页码: 14
作者:  Li JH(李江华);  Sun JY(孙经雨);  Qian GA(钱桂安);  Shi LT
Adobe PDF(23542Kb)  |  收藏  |  浏览/下载:236/25  |  提交时间:2022/07/18
Laser powder bed fusion  Very-high-cycle fatigue  Defect-induced crack  Grain refinement  Misorientation  
High-cycle and very-high-cycle fatigue lifetime prediction of additively manufactured AlSi10Mg via crystal plasticity finite element method 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2022, 卷号: 155, 页码: 11
作者:  Zhang JM(张佳妹);  Li JH(李江华);  Wu, Shengchuan;  Zhang, Wenjie;  Sun JY(孙经雨);  Qian GA(钱桂安)
Adobe PDF(8939Kb)  |  收藏  |  浏览/下载:366/111  |  提交时间:2021/11/29
Crystal plasticity  Additive manufacturing  Very-high-cycle fatigue  AlSi10Mg alloy  Defects  
An analytical solution to the stress fields of kinked cracks 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021, 卷号: 156, 页码: 18
作者:  Liu ZE(刘卓尔);  Wei YJ(魏宇杰)
Adobe PDF(3434Kb)  |  收藏  |  浏览/下载:271/71  |  提交时间:2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics