留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

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.
  • [1] de Borst R, Pamin J, Geers M G D.On coupled gradient-dependent plasticity and damage theories with a view to localization analysis[J].European J Mech, A Solids,1999,18(3):939—962. doi: 10.1016/S0997-7538(99)00114-X
    [2] Desoyer T, Hanus J L, Keryvin V. An instability condition of the deformation process in elasto-(visco)-nonlinear materials[J].Mech Res Comm,1998,25(2):437—442. doi: 10.1016/S0093-6413(98)00057-3
    [3] Besson J, Steglich D, Brocks W. Modeling of crack growth in round bars and plane strain specimens[J].Internat J Solids and Structures,2001,38(11):8259—8284. doi: 10.1016/S0020-7683(01)00167-6
    [4] Brunet M, Morestin F, Walter H. Damage identification for anisotropic sheet-metals using a non~local damage model[A].In:Proceedings of 2002 ASME- Proceedings of the International Mechanical Engineering Congress and Exposition[C].Paper No,IMEGE 2002-33088,November 17-22,New Orleans,2002,1—10.
    [5] Saanouni K, Forster C, Hatira F B. On the anelastic flow with damage[J].Internat J Dama Mech,1994,3(1):140—169. doi: 10.1177/105678959400300203
    [6] Saanouni K, Chaboche J L, Lesne P M. On the creep crack-growth prediction by a non local damage formulation[J].European J Mech,A Solids,1989,8(2):437—459.
    [7] Saanouni K, Nesnas K, Hammi Y. Damage modelling in metal forming processes[J].Internat J Dama Mech,2000,9(1):196—240.
    [8] Tvergaard V, Needleman A. Analysis of cup-cone fracture in a round tensile bar[J].Acta Metall,1984,32(3):157—169. doi: 10.1016/0001-6160(84)90213-X
    [9] Gurson A L. Continuum theory of ductile rupture by void nucleation and growth—Part Ⅰ:Yield criteria and flow rules for porous ductile media[J].J Engng Mater Tech,1977,99(2):2—15. doi: 10.1115/1.3443401
    [10] Lemaitre J.A Course on Damage Mechanics[M].Berlin: Springer-Verlag, 1992.
    [11] Kachnov L M.Introduction to Continuum Damage Mechanics[M].The Netherlands:Maritinus Nijhoff Dordrecht,1986.
    [12] Besson J. Mecanique et Ingenierie des Materiaux-Essais Mecaniques, Eprouvettes Axisymetriques Entaillees[M].Paris:Hermes, 2001.
    [13] 徐秉业.塑性力学[M].北京:高等教育出版社,1988.
  • 加载中
计量
  • 文章访问数:  2667
  • HTML全文浏览量:  136
  • PDF下载量:  713
  • 被引次数: 0
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

目录

    /

    返回文章
    返回