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Development of BB model and investigation of P-wave propagation across jointed rock masses using CDEM 期刊论文
COMPUTERS AND GEOTECHNICS, 2024, 卷号: 165, 页码: 11
作者:  Hu HN(胡桓宁);  Yang, Liyun;  Feng C(冯春);  Zhu XG(朱心广);  Zhou, Jun;  Liu XM(刘新明)
收藏  |  浏览/下载:59/0  |  提交时间:2024/01/02
Continuum-discontinuum element method  (CDEM)  BB model  Wave propagation  Jointed rock mass  
Rock fracture mechanism of air-deck charge blasting considering the action effect of blasting gas 期刊论文
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY, 2023, 卷号: 142, 页码: 16
作者:  Ding, Chenxi;  Yang, Renshu;  Zhu XG(朱心广);  Feng C(冯春);  Zhou, Jun
Adobe PDF(11547Kb)  |  收藏  |  浏览/下载:61/2  |  提交时间:2023/11/28
Blasting gas  Air-deck charge  Profile quality  Rock damage and fracture  
Numerical study of blast wave propagation through granular materials subjected to buried blasts 期刊论文
POWDER TECHNOLOGY, 2023, 卷号: 429, 页码: 20
作者:  Zhang, Chuanshan;  Feng C(冯春);  Xue, Kun
Adobe PDF(13091Kb)  |  收藏  |  浏览/下载:42/0  |  提交时间:2023/10/23
Buried blast  Pressure-profile  Granular materials  Coupled FEM and DEM  Numerical simulations  
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
作者:  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)  |  收藏  |  浏览/下载:57/2  |  提交时间:2023/09/26
Rock mass  Energy evolution  Sequential detonation loading  CDEM  Energy statistics algorithm  
The impact fracture characteristics of concrete slabs under different hammerhead shapes, impact velocities and concrete strengths 期刊论文
CONSTRUCTION AND BUILDING MATERIALS, 2023, 卷号: 392, 页码: 131919
作者:  Zhang, Qunlei;  Yuan, Ruifu;  Wang, Decai;  Feng C(冯春);  Yue, Jinchao;  Sun, Lijun
Adobe PDF(7934Kb)  |  收藏  |  浏览/下载:50/1  |  提交时间:2023/09/05
Concrete slab  Impact cracking  CDEM  Concrete strength  Impact velocity  Hammerhead shape  
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
作者:  李晓光;  李长洪;  冯春
Adobe PDF(2480Kb)  |  收藏  |  浏览/下载:250/60  |  提交时间:2023/03/16
有限元  离散元  锚杆  耦合  隧道  支护  
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)  
Improving reservoir permeability by electric pulse controllable shock wave 期刊论文
JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION TECHNOLOGY, 2023, 页码: 01633
作者:  Zhu XG(朱心广);  Feng C(冯春);  Cheng PD(程鹏达)
Adobe PDF(1468Kb)  |  收藏  |  浏览/下载:56/0  |  提交时间:2023/06/15
Controllable shock wave  continuous-discontinuous element method  Coupling model  Fracture  Reservoir permeability  
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
作者:  Ding, Chenxi;  Liang, Xintong;  Yang, Renshu;  Zhang, ZongXian;  Guo, Xiao;  Feng C(冯春);  Zhu XG(朱心广);  Xie, Quanmin
Adobe PDF(5236Kb)  |  收藏  |  浏览/下载:52/0  |  提交时间:2023/06/15
Crushed zone  energy dissipation  in-situ stress  crack propagation  stress evolution  
Investigation on the Fragmentation and Outburst Mechanism of Coal Sample with Pore Gas Using CDEM 期刊论文
MINERALS, 2023, 卷号: 13, 期号: 3, 页码: 351
作者:  Zhang, Qunlei;  Wang, Zhiming;  Feng C(冯春);  Zhu XG(朱心广);  Zhou J(周俊)
Adobe PDF(3896Kb)  |  收藏  |  浏览/下载:54/0  |  提交时间:2023/04/20
coal gas outburst  in situ stresses  pore ratios  gas pressures  CDEM