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用于应变局部化行为分析的弹塑性损伤耦合本构研究

沈新普 沈国晓 陈立新

沈新普, 沈国晓, 陈立新. 用于应变局部化行为分析的弹塑性损伤耦合本构研究[J]. 应用数学和力学, 2004, 25(12): 1249-1256.
引用本文: 沈新普, 沈国晓, 陈立新. 用于应变局部化行为分析的弹塑性损伤耦合本构研究[J]. 应用数学和力学, 2004, 25(12): 1249-1256.
SHEN Xin-pu, SHEN Guo-xiao, CHEN Li-xin. Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena[J]. Applied Mathematics and Mechanics, 2004, 25(12): 1249-1256.
Citation: SHEN Xin-pu, SHEN Guo-xiao, CHEN Li-xin. Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena[J]. Applied Mathematics and Mechanics, 2004, 25(12): 1249-1256.

用于应变局部化行为分析的弹塑性损伤耦合本构研究

基金项目: 辽宁省自然科学基金资助项目(2001101023)
详细信息
    作者简介:

    沈新普(1963- ),男,河北清河人,教授,博士(联系人.Tel:+86-24-23915126;Fax:+86-24-23906300;E-mail:xinpushen@vip.sina.com).

  • 中图分类号: O342

Investigation on Elasto-Plastic Constitutive Model Coupled With Damage for Localization Phenomena

  • 摘要: 在已有的损伤塑性耦合本构模型基础上,进行了本构意义上的参数辨识,对不同参数取值时的材料行为进行了数值模拟,并对损伤演化律提出了改进措施.应用改进了的模型,在结构意义上进行了数值检验,模拟了简单试件拉伸时的变形局部化.数值结果表明这一理论模型有更好的数值稳定性,能较为准确地模拟金属韧性断裂的变形局部化现象.
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出版历程
  • 收稿日期:  2002-12-09
  • 修回日期:  2004-07-06
  • 刊出日期:  2004-12-15

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