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304NG不锈钢高应变率材料模型在ABAQUS中的实现技术

兰彬 叶献辉 宋顺成 吴万军 王碧浩

兰彬, 叶献辉, 宋顺成, 吴万军, 王碧浩. 304NG不锈钢高应变率材料模型在ABAQUS中的实现技术[J]. 应用数学和力学, 2015, 36(2): 167-177. doi: 10.3879/j.issn.1000-0887.2015.02.006
引用本文: 兰彬, 叶献辉, 宋顺成, 吴万军, 王碧浩. 304NG不锈钢高应变率材料模型在ABAQUS中的实现技术[J]. 应用数学和力学, 2015, 36(2): 167-177. doi: 10.3879/j.issn.1000-0887.2015.02.006
LAN Bin, YE Xian-hui, SONG Shun-cheng, WU Wan-jun, WANG Bi-hao. Formulation and Programming of a Dynamic Constitutive Model at High Strain Rates in ABAQUS for the 304NG Stainless Steel[J]. Applied Mathematics and Mechanics, 2015, 36(2): 167-177. doi: 10.3879/j.issn.1000-0887.2015.02.006
Citation: LAN Bin, YE Xian-hui, SONG Shun-cheng, WU Wan-jun, WANG Bi-hao. Formulation and Programming of a Dynamic Constitutive Model at High Strain Rates in ABAQUS for the 304NG Stainless Steel[J]. Applied Mathematics and Mechanics, 2015, 36(2): 167-177. doi: 10.3879/j.issn.1000-0887.2015.02.006

304NG不锈钢高应变率材料模型在ABAQUS中的实现技术

doi: 10.3879/j.issn.1000-0887.2015.02.006
详细信息
    作者简介:

    兰彬(1980—),男,四川资阳人,高级工程师,博士(通讯作者. E-mail: stigato@139.com).

  • 中图分类号: O347.3

Formulation and Programming of a Dynamic Constitutive Model at High Strain Rates in ABAQUS for the 304NG Stainless Steel

  • 摘要: 304NG不锈钢是反应堆堆内构件的常用材料,其高应变率动态特性对冲击载荷下的响应有重要影响,而现有有限元平台中并无适用于该材料的高应变率动态模型.进行了304NG不锈钢冲击拉伸试验,提出了新的动态本构模型,并利用径向回归算法和稳定的二分法迭代,在ABAQUS平台上编写了用户材料子程序UMAT,实现了率相关模型的隐式应力求解.最后通过有限元动态分析验证了UMAT子程序,计算结果与试验数据的对比表明二者吻合得很好,UMAT子程序可用于结构在冲击加载下的响应分析.
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出版历程
  • 收稿日期:  2014-07-23
  • 修回日期:  2014-12-11
  • 刊出日期:  2015-02-15

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