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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:51/0  |  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)  
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:264/69  |  提交时间:2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
The effect of out-of-plane constraint on the stress fields near the front of a crack in a thin ductile plate 期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2020, 卷号: 190, 页码: 244-257
作者:  Yi DK(易大可);  Wang TC(王自强)
浏览  |  Adobe PDF(1388Kb)  |  收藏  |  浏览/下载:375/58  |  提交时间:2020/04/07
Elastic-plastic fracture mechanics  Three-dimensional singularity field  Out-of-plane constraint  Three-dimensional FM simulation  
A Century of Fracture Mechanics: from Griffith Theory to Machine Learning Based Modeling 演示报告(视频)
2020
作者:  Gao HJ(高华健);  中国科学院力学研究所研究生教育与工学院办公室
Adobe PDF(2492Kb)  |  收藏  |  浏览/下载:264/1  |  提交时间:2020/04/26
郭永怀力学进展讲座  断裂力学  Fracture Mechanics  Griffith Theory  
Modelling of reactor pressure vessel subjected to pressurized thermal shock using 3D-XFEM 期刊论文
NUCLEAR ENGINEERING AND DESIGN, 2019, 卷号: 353, 页码: 13
作者:  Mora DF;  Niffenegger M;  Qian GA(钱桂安);  Jaros M;  Niceno B
浏览  |  Adobe PDF(5171Kb)  |  收藏  |  浏览/下载:329/94  |  提交时间:2019/11/26
Pressurized thermal shock  Large Break LOCA  Stress intensity factor  Reactor pressure vessel  Fracture mechanics  XFEM  
Uncertainties in pressurized thermal shock analyses 会议论文
ASME 2019 Pressure Vessels and Piping Conference, PVP 2019, San Antonio, TX, United states, July 14, 2019 - July 19, 2019
作者:  Niffenegger M;  Garrido OC;  Mora DF;  Qian GA(钱桂安);  Mukin R;  Sharabi M;  Lafferty N;  Niceno B
收藏  |  浏览/下载:104/0  |  提交时间:2020/11/20
Computational fluid dynamics  Finite element method  Pressurized thermal shock  Probabilistic fracture mechanics  Warm pre-stressing  
Micro-crack damage in strip of fracture process zone 期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2018, 卷号: 147, 页码: 29-39
作者:  Wang LM;  Li X;  Xu SL;  Wang HY(汪海英);  Zhang ZJ
浏览  |  Adobe PDF(3084Kb)  |  收藏  |  浏览/下载:281/111  |  提交时间:2018/10/30
Quasi-brittle materials  Micro-crack  Damage factor  Fracture process zone  Multi-scale mechanics  Cohesive crack model  
Graphene Foam: Uniaxial Tension Behavior and Fracture Mode Based on a Mesoscopic Model 期刊论文
ACS NANO, 2017, 卷号: 11, 期号: 9, 页码: 8988-8997
作者:  Pan DX(潘斗兴);  Wang C(王超);  Wang ZQ(王自强);  Yao YG(姚裕贵);  Yao, YG (reprint author), Beijing Inst Technol, Sch Phys, Beijing Key Lab Nanophoton & Ultrafine Optoelect, Beijing 100081, Peoples R China.;  Wang, TC (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(318Kb)  |  收藏  |  浏览/下载:420/139  |  提交时间:2017/11/29
Mesoscopic Model  Graphene Foam  Coarse-grained Molecular Dynamics  Multipeak Stress Strain Curve  Ductile Fracture  Power Scaling Law  Multiscale Physics Mechanics  
New method to differentiate between matrix and micro-fractures using diffusion data in gas shale 会议论文
51st US Rock Mechanics / Geomechanics Symposium 2017, San Francisco, CA, United states, June 25, 2017 - June 28, 2017
作者:  Yang L(杨柳);  Shi X;  Zhang KH;  Ge HK;  Gao J;  Tan XQ;  Xu P;  Li LD
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Diffusion in liquids  Fracture  Ions  Matrix algebra  Rock mechanics  Shale  Shale gas  Diffusion experiments  Diffusion rate  Fracture matrix  Fracturing operations  Ion  diffusion rate  Low probability  Mineral composition  Reservoir characteristic  
Induced stress interaction during multi-stage hydraulic fracturing from horizontal wells using boundary element method 会议论文
4th ISRM Young Scholars Symposium on Rock Mechanics, YSS 2017, Jeju, Korea, Republic of, May 10, 2017 - May 13, 2017
作者:  Shi X;  Yang L(杨柳);  Li ML;  Cheng YF
浏览  |  Adobe PDF(228Kb)  |  收藏  |  浏览/下载:313/41  |  提交时间:2018/11/08
Boundary element method  Complex networks  Fracture  Hydraulic fracturing  Rock mechanics  Sailing vessels  Stress analysis  Fracture network  Gas productivity  Horizontal stress  Inclination angles  Multiple fracture  Sequential manners  Stress condition  Unconventional reservoirs