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混凝土材料的粘塑性损伤本构模型

刘长春 吕和祥 关萍

刘长春, 吕和祥, 关萍. 混凝土材料的粘塑性损伤本构模型[J]. 应用数学和力学, 2007, 28(9): 1021-1027.
引用本文: 刘长春, 吕和祥, 关萍. 混凝土材料的粘塑性损伤本构模型[J]. 应用数学和力学, 2007, 28(9): 1021-1027.
LIU Chang-chun, LÜ He-xiang, GUAN Ping. Coupled Viscoplasticity Damage Constitutive Model for Concrete Materials[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1021-1027.
Citation: LIU Chang-chun, LÜ He-xiang, GUAN Ping. Coupled Viscoplasticity Damage Constitutive Model for Concrete Materials[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1021-1027.

混凝土材料的粘塑性损伤本构模型

基金项目: 国家自然科学基金(重大)计划资助项目(90410012)
详细信息
    作者简介:

    刘长春(1976- ),女,四川德阳人,博士(联系人.Tel:+86-411-81285317;E-mail:li-uchangchun1976@163.com).

  • 中图分类号: TU452;O344.3

Coupled Viscoplasticity Damage Constitutive Model for Concrete Materials

  • 摘要: 基于不可逆热力学,引入运动硬化、等向硬化和损伤内变量,构造了相应的自由能函数和流动势函数,推导出了混凝土材料的粘塑性损伤本构模型.数值模拟的结果表明,该模型能够避开屈服面和破坏准则的基本假设来描述混凝土材料的以下特性:压缩载荷作用下的体积膨胀现象;应变率敏感性;峰值后由损伤和破坏引起的应力软化和刚度退化现象A·D2由于此模型避开了根据各种变形阶段选择与其相应的本构模型的繁琐计算,因此更便于纳入复杂工况下应力分析有限元程序中.
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    [3] Ragueneau F, Borderie Ch La, Mazars J. Damage model for concrete-like materials coupling cracking and friction, contribution towards structural damping: first uniaxial applications[J].Mechanics Cohesive-Frictional Materials,2000,5(8):607-625. doi: 10.1002/1099-1484(200011)5:8<607::AID-CFM108>3.0.CO;2-K
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    [9] 董毓利.混凝土非线性力学基础[M].北京:中国建筑工业出版社, 1997.
    [10] Chulya A, Walker K P.A new uniformly valid asymptotic integration algorithm for elasto-plastic-creep and unified viscoplastic theories including continuum damage[J].International Journal for Numerical Methods in Engineering,1991,32(2):385-418. doi: 10.1002/nme.1620320210
    [11] 冯明珲. 粘弹塑性统一本构理论[D].博士论文.大连:大连理工大学,2000.
    [12] 肖诗云.混凝土率型本构模型及其在拱坝动力分析中的应用[D].博士论文.大连:大连理工大学,2002.
    [13] Ragueneau F, Gatuingt F.Inelastic behavior modeling of concrete in low and high strain rate dynamics[J].Computers and Structures,2003,81(12):1287-1299. doi: 10.1016/S0045-7949(03)00043-9
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出版历程
  • 收稿日期:  2006-10-17
  • 修回日期:  2007-07-08
  • 刊出日期:  2007-09-15

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