Applied Mathematics and Mechanics (English Edition) ›› 1998, Vol. 19 ›› Issue (3): 237-242.

• 论文 • 上一篇    下一篇

IDENTIFICATION OF QUASI-STATIC DISPLACEMENT FOR CONSTITUTIVE MODELS OF VISCOELASTICITY

杨海天, 邬瑞锋, 张群   

  1. Department of Engineering Mechanics, Dalian University of Technology, Dalian 1 16023, P. R.china
  • 收稿日期:1996-06-14 修回日期:1997-11-13 出版日期:1998-03-18 发布日期:1998-03-18

IDENTIFICATION OF QUASI-STATIC DISPLACEMENT FOR CONSTITUTIVE MODELS OF VISCOELASTICITY

Yang Haitian, Wu Ruifeng, Zhang Qun   

  1. Department of Engineering Mechanics, Dalian University of Technology, Dalian 1 16023, P. R.china
  • Received:1996-06-14 Revised:1997-11-13 Online:1998-03-18 Published:1998-03-18

摘要: An explicit relation between constitutive porameters and quasi-static displacementof viscoelasticity is derived under a kind of boundary condition,and an iterative form of optimixed idenification is presented.Viscoelastic constitutive models are identifiedfrom a two order differential model,and effects of information errors on results of inverse analysis are discussed.

关键词: viscoelasticity, constitutive model, static displacement, inverseanalysis

Abstract: An explicit relation between constitutive porameters and quasi-static displacementof viscoelasticity is derived under a kind of boundary condition,and an iterative form of optimixed idenification is presented.Viscoelastic constitutive models are identifiedfrom a two order differential model,and effects of information errors on results of inverse analysis are discussed.

Key words: viscoelasticity, constitutive model, static displacement, inverseanalysis

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