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| 钨合金绝热剪切损伤数值模拟 | |
| 引用本文： | 董杰,李永池,陈学东. 钨合金绝热剪切损伤数值模拟[J]. 中国科学技术大学学报, 2007, 37(7): 724-726,737 |
| 作者姓名： | 董杰 李永池 陈学东 |
| 作者单位： | 1. 国家压力容器与管道安全工程技术研究中心,安徽合肥,230031;中国科学技术大学力学和机械工程系,安徽合肥,230027 2. 中国科学技术大学力学和机械工程系,安徽合肥,230027 3. 国家压力容器与管道安全工程技术研究中心,安徽合肥,230031 |
| 摘 要： | 利用ABAQUS提供的用户自定义材料本构接口,将一种含绝热剪切损伤的材料粘塑性Johnson-cook本构模型引入其中,以此对圆台形钨合金试件在冲击载荷作用下的变形行为进行数值模拟,较好地模拟出了试件绝热剪切变形所产生的损伤. |
| 关 键 词： | 冲击动力学 剪切变形 损伤 钨合金 |
| 文章编号： | 0253-2778（2007）07-0724-03 |
| 修稿时间： | 2007-03-212007-05-16 |
Numerical simulation of adiabatic shear damage in tungsten alloys |
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| DONG Jie,LI Yong-chi,CHEN Xue-dong. Numerical simulation of adiabatic shear damage in tungsten alloys[J]. Journal of University of Science and Technology of China, 2007, 37(7): 724-726,737 | |
| Authors: | DONG Jie LI Yong-chi CHEN Xue-dong |
| Affiliation: | 1. National Technology Research Center on Pressure Vessel and Pipe Line Safety Engineering, He fei 230031, China; 2. Department of Modern Mechanics, University of Science and Technology of China, Hef ei 230027, China |
| Abstract: | With the user materials interface of ABAQUS,a viscoplastic Johnson-Cook constitutive equation with adiabatic shear damage model was embedded into ABAQUS.Based on this,numerical simulation of deformation behavior in tungsten alloys under impact loading was conducted and damage induced by adiabatic shear deformation was simulated quite well. |
| Keywords: | dynamic mechanics adiabatic shear deformation damage tungsten alloys |
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