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A hybridized continuum-discontinuum modeling for investigating the fracture and energy evolution characteristics of rock mass under sequential explosive detonation using a bilinear cohesive fracture model 期刊论文
COMPUTERS AND GEOTECHNICS, 2023, 卷号: 162, 页码: 105607
Authors:  Lin QD(林钦栋);  Zhu XG(朱心广);  Yuan, Jianfei;  Feng C(冯春);  Gan, Yundan;  Jiao, Wenjun;  Zhang, Yulei
Adobe PDF(9912Kb)  |  Favorite  |  View/Download:85/11  |  Submit date:2023/09/26
Rock mass  Energy evolution  Sequential detonation loading  CDEM  Energy statistics algorithm  
一种块体–颗粒–杆件的耦合方法及其在隧道支护模拟中的应用 期刊论文
工程科学学报, 2023, 卷号: 45, 期号: 06, 页码: 1023-1033
Authors:  李晓光;  李长洪;  冯春
Adobe PDF(2480Kb)  |  Favorite  |  View/Download:288/75  |  Submit date:2023/03/16
有限元  离散元  锚杆  耦合  隧道  支护  
A study of crack propagation during blasting under high in-situ stress conditions based on an improved CDEM method 期刊论文
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES, 2023
Authors:  Ding, Chenxi;  Liang, Xintong;  Yang, Renshu;  Zhang, ZongXian;  Guo, Xiao;  Feng C(冯春);  Zhu XG(朱心广);  Xie, Quanmin
Adobe PDF(5236Kb)  |  Favorite  |  View/Download:62/2  |  Submit date:2023/06/15
Crushed zone  energy dissipation  in-situ stress  crack propagation  stress evolution  
Space-time effect of blasting stress wave and blasting gas on rock fracture based on a cavity charge structure 期刊论文
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2022, 卷号: 160, 页码: 9
Authors:  Ding, Chenxi;  Yang, Renshu;  Chen, Cheng;  Zhu XG(朱心广);  Feng C(冯春);  Xie, Quanmin
Adobe PDF(11293Kb)  |  Favorite  |  View/Download:191/57  |  Submit date:2022/12/20
Blasting stress wave  Blasting gas  Cavity charge structure  Strain evolution  Crack propagation  
一维轴对称杆件爆源模型及其在台阶爆破模拟中的应用 期刊论文
爆炸与冲击, 2022, 卷号: 42, 期号: 11, 页码: 145-155
Authors:  朱心广;  冯春;  王心泉;  程鹏达;  高圣元
Adobe PDF(1638Kb)  |  Favorite  |  View/Download:199/56  |  Submit date:2023/02/09
杆件爆源模型  台阶爆破  连续-非连续单元法  振动速度峰值  数值模拟  
贯入角度对截齿破岩性能与几何排布的影响研究 期刊论文
岩土力学, 2022, 期号: 12, 页码: 13
Authors:  肖建成;  卢景景;  周辉;  徐福通;  冯春
Adobe PDF(1842Kb)  |  Favorite  |  View/Download:150/40  |  Submit date:2022/11/14
双轮铣槽机  冲击破岩机理  布齿系统  贯入角度  CDEM  
Experiments and numerical simulations on dynamic crack behavior at the interface of layered brittle material 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2022, 页码: 13
Authors:  Zhou, Jun;  Yue, Zhongwen;  Feng C(冯春);  Wang, Peng;  Yue, Xiaolei;  Tao, Tiejun
Adobe PDF(8890Kb)  |  Favorite  |  View/Download:193/51  |  Submit date:2022/09/27
caustics  continuum-discontinuum element method  drop weight tests  interface crack  
Coupling of material point and continuum discontinuum element methods for simulating blast-induced fractures in rock 期刊论文
COMPUTERS AND GEOTECHNICS, 2022, 卷号: 144, 页码: 11
Authors:  Yue ZW;  Zhou J;  Feng C(冯春);  Wang X;  Peng LZ;  Cong JY
Adobe PDF(5753Kb)  |  Favorite  |  View/Download:386/116  |  Submit date:2022/03/22
Continuum-discontinuum element method  Material point method  Rock blasting  Numerical simulation  
Directional fracture behavior and stress evolution process of the multi-slit charge blasting 期刊论文
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 2022, 卷号: 152, 页码: 13
Authors:  Ding,Chenxi;  Yang,Renshu;  Xiao,Chenglong;  Chen,Jianhua;  Wang,Desheng;  Gong,Min;  Feng C(冯春)
Adobe PDF(12458Kb)  |  Favorite  |  View/Download:178/42  |  Submit date:2022/03/05
Multi-slit charge  Directional fracture  Crack propagation  Stress evolution  Blasting vibration  
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
Authors:  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)  |  Favorite  |  View/Download:182/56  |  Submit date:2022/10/25
Hydraulic fracturing  continuum-discontinuum element method (CDEM)  Fracture seepage  Pore seepage  Crack propagation  Numerical simulation