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Coupling effect of strain gradient strengthening and thermal softening on the microscale plastic behavior of metallic materials 期刊论文
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS, 2023, 卷号: 102, 页码: 16
作者:  Liu, Yanwei;  Long, Hao;  Zhang, Siyuan;  Song JR(宋晶如);  Zhou, Qianqian;  Wei, Yueguang
Adobe PDF(9349Kb)  |  收藏  |  浏览/下载:72/1  |  提交时间:2023/10/23
Thermo-mechanical coupled  Microscale plasticity model  Plastic strain gradient  Radial return method  Staggered solution scheme  
Machine learning informed visco-plastic model for the cyclic relaxation of 316H stainless steel at 550 °C 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2023, 卷号: 170, 页码: 23
作者:  Du R(杜柔);  Song HX(宋恒旭);  Gao, Fuhai;  Mo, Yafei;  Yan, Ziming;  Zhuang, Zhuo;  Liu XM(刘小明);  Wei, Yueguang
Adobe PDF(5183Kb)  |  收藏  |  浏览/下载:36/1  |  提交时间:2024/02/19
Cyclic relaxation  High -temperature plasticity  Visco-plastic constitutive model  Bayesian method  Fatigue and creep  
Transient dynamics of a full wheel rail set passing a weld irregularity at high speed 期刊论文
ENGINEERING FAILURE ANALYSIS, 2023, 卷号: 148, 页码: 107203
作者:  Liu XM(刘小明);  Liu, C;  Wu, W;  Liu, JZ;  Sun, SC;  Wei, YG
Adobe PDF(3963Kb)  |  收藏  |  浏览/下载:70/1  |  提交时间:2023/06/15
Weld irregularity  Axle box acceleration  Finite element analysis  Safety limit  
Effect of contact plasticity on the seismic response of a 7-duct bundle immersed in fluid 期刊论文
NUCLEAR ENGINEERING AND DESIGN, 2022, 卷号: 398, 页码: 9
作者:  Peng Q(彭青);  Jin YR(靳宇然);  Su XP;  Liu XM(刘小明);  Wei YG
Adobe PDF(5560Kb)  |  收藏  |  浏览/下载:234/59  |  提交时间:2022/11/14
Nonlinear contact  Plasticity  Hexagonal bundle  Earthquake  Finite Element Method  
Dynamic Impact of High-Density Aluminum Foam 期刊论文
ACTA MECHANICA SOLIDA SINICA, 2022, 卷号: 35, 期号: 2, 页码: 198-214
作者:  Peng Q(彭青);  Xie JJ(谢季佳);  Ma HS(马寒松);  Ling, X;  Liu XM(刘小明);  Wei YG(魏悦广)
Adobe PDF(2146Kb)  |  收藏  |  浏览/下载:348/116  |  提交时间:2021/08/30
High density aluminum  Foam Deshpande-Fleck model  Finite element method  Impact analysis  Plastic wave  
一种从离散模拟到连续介质弹性模拟的过渡方法 期刊论文
力学学报, 2021, 卷号: 53, 期号: 11, 页码: 3080-3096
作者:  宓思恩;  刘小明;  魏悦广
Adobe PDF(2645Kb)  |  收藏  |  浏览/下载:166/35  |  提交时间:2022/03/16
MD-FEA方法  应力-应变场  原子应变  位力应力  
一种从离散模拟到连续介质弹性模拟模拟的过渡方法 期刊论文
力学学报, 2021, 卷号: 53, 期号: 11, 页码: 3080-3096
作者:  宓思恩;  刘晓明;  魏悦广
Adobe PDF(4098Kb)  |  收藏  |  浏览/下载:196/34  |  提交时间:2022/01/13
MD-FEA方法  位力应力  应力-应变场  原子应变  
Elastic impact of sphere on large plate 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021, 卷号: 156, 页码: 22
作者:  Peng, Qing;  Liu, Xiaoming;  Wei, Yueguang
Adobe PDF(5204Kb)  |  收藏  |  浏览/下载:215/59  |  提交时间:2022/03/05
Elastic impact  Homotopy analysis method  Sphere on plate  Coefficient of restitution  
Inter-zone constraint modifies the stress-strain response of the constituent layer in gradient structure 期刊论文
SCIENCE CHINA-MATERIALS, 2021, 页码: 10
作者:  Wang, Yanfei;  Zhu, Yuntian;  Wu XL(武晓雷);  Wei, Yueguang;  Huang, Chongxiang
Adobe PDF(2969Kb)  |  收藏  |  浏览/下载:295/39  |  提交时间:2021/08/30
heterogeneous structure  nanostructure  stress-strain response  strain bands  strength and ductility  
Effect of plasticity on the coefficient of restitution of an elastoplastic sphere impacting an elastic plate 期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2021, 卷号: 222, 页码: 11
作者:  Peng Q(彭青);  Jin, Y.;  Liu XM(刘小明);  Wei YG(魏悦广)
Adobe PDF(2426Kb)  |  收藏  |  浏览/下载:126/11  |  提交时间:2021/08/03
Sphere-plate impact  Contact plasticity  Modified Zener model  Coefficient of restitution  Thickness dependent COR