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Improved XFEM for multiple crack analysis: Accurate and efficient implementations for stress intensity factors 期刊论文
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2023, 卷号: 411, 页码: 116045
作者:  Wen, LongFei;  Tian, Rong;  Wang LX(王理想);  Feng C(冯春)
Adobe PDF(4355Kb)  |  收藏  |  浏览/下载:55/0  |  提交时间:2023/06/15
Improved XFEM  Multiple cracks  Extra-dof-free singularity enrichment  Level set templated cover cutting  Stress intensity factor  Linear elastic fracture mechanics (LEFM)  
Mixed-mode fatigue crack propagation simulation by means of Geq and walker models of the structural steel S355 期刊论文
THEORETICAL AND APPLIED FRACTURE MECHANICS, 2023, 卷号: 123, 页码: 16
作者:  Xin,Haohui;  Liu,Jielin;  Correia,Jose A. F. O.;  Berto,Filippo;  Veljkovic,Milan;  Qian GA(钱桂安)
Adobe PDF(14130Kb)  |  收藏  |  浏览/下载:101/3  |  提交时间:2023/02/03
Mixed mode fatigue crack propagation  Equivalent energy release rate ()  Extended finite element method (XFEM)  Virtual Crack Closure Technology (VCCT)  Walker equation  
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:193/10  |  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  
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  
Modelling the wave-induced instantaneous liquefaction in a non-cohesive seabed as a nonlinear complementarity problem 期刊论文
COMPUTERS AND GEOTECHNICS, 2021, 卷号: 137, 页码: 18
作者:  Zhou, Mozhen;  Liu, Hui;  Jeng, Dong-Sheng;  Qi WG(漆文刚);  Fang, Qian
Adobe PDF(3715Kb)  |  收藏  |  浏览/下载:179/32  |  提交时间:2021/11/01
Nonlinear complementarity problem  Karush-Kuhn-Tucker (KKT) condition  Lagrange multiplier method  Soil liquefaction  Wave-seabed interactions  
A novel three-dimensional hydraulic fracturing model based on continuum-discontinuum element method 期刊论文
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2021, 卷号: 383, 页码: 113887
作者:  Zhu XG(朱心广);  Feng C(冯春);  Cheng PD(程鹏达);  Wang XQ(王心泉);  Li SH(李世海)
Adobe PDF(4719Kb)  |  收藏  |  浏览/下载:145/39  |  提交时间:2022/10/25
Hydraulic fracturing  continuum-discontinuum element method (CDEM)  Fracture seepage  Pore seepage  Crack propagation  Numerical simulation  
Using Continuum-Discontinuum Element Method to Model the Foliation-Affected Fracturing in Rock Brazilian Test 期刊论文
ADVANCES IN CIVIL ENGINEERING, 2021, 卷号: 2021, 页码: 9
作者:  Zhang, Qunlei;  Zhi, Zihan;  Feng C(冯春);  Li, Ruixia;  Yue, Jinchao;  Cong, Junyu
Adobe PDF(4113Kb)  |  收藏  |  浏览/下载:206/31  |  提交时间:2021/08/30
Cohesive fracture model of rocks based on multi-scale model and Lennard-Jones potential 期刊论文
ENGINEERING FRACTURE MECHANICS, 2021, 卷号: 246, 页码: 26
作者:  Lin QD(林钦栋);  Li SH(李世海);  Feng C(冯春);  Wang XQ(王心泉)
Adobe PDF(8499Kb)  |  收藏  |  浏览/下载:387/150  |  提交时间:2021/04/19
Multi-scale model  Lennard-Jones potential  Cohesive fracture model  Fracture energy  
Fatigue endurance limit and crack front evolution in metallic glass 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 143, 页码: 9
作者:  Lei XQ(雷现奇);  袁力超o;  Peng, Liu;  Sun CQ(孙成奇);  Wei BC(魏炳忱);  Wei YJ(魏宇杰)
Adobe PDF(9123Kb)  |  收藏  |  浏览/下载:341/56  |  提交时间:2021/03/03
Fatigue endurance limit  Ultra-high cycle fatigue  Metallic glasses  Elliptical crack front  Stress intensity factor  
具有初始应力场的有限变形弹性理论研究 学位论文
博士论文,北京: 中国科学院大学, 2020
作者:  高梦霓
Adobe PDF(4868Kb)  |  收藏  |  浏览/下载:462/20  |  提交时间:2021/03/01
初始应力场  有限变形  本构关系  弹性理论  多场耦合