A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS

Applied Mathematics and Mechanics (English Edition) ›› 2001, Vol. 22 ›› Issue (6): 650-657.

A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS

杨海天, 高强, 郭杏林, 邬瑞锋

State Key Laboratory of Structural Analysis of Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, P.R.China

收稿日期:1999-12-03 修回日期:2000-12-05 出版日期:2001-06-18 发布日期:2001-06-18
通讯作者: WU Rui-feng,Member of Editorial Committee,AMM
基金资助:
the Oversea returnee' s starting Fund of National Education Department of China (1998-679)

A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS

YANG Hai-tian, GAO Qiang, GUO Xing-lin, WU Rui-feng

State Key Laboratory of Structural Analysis of Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, P.R.China

Received:1999-12-03 Revised:2000-12-05 Online:2001-06-18 Published:2001-06-18
Supported by:
the Oversea returnee' s starting Fund of National Education Department of China (1998-679)

摘要/Abstract

摘要： A new scheme of time stepping for solving the dynamic viscoelastic problems are presented. By expanding variables at a discrete time interval, FEM based recurrent formulae are derived. A self-adaptive algorithm for different sizes of time steps can be carried out to improve computing accuracy. Numerical validation shows satisfactory performance.

中图分类号:

O345
O322

杨海天;高强;郭杏林;邬瑞锋. A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS[J]. Applied Mathematics and Mechanics (English Edition), 2001, 22(6): 650-657.

YANG Hai-tian;GAO Qiang;GUO Xing-lin;WU Rui-feng . A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS[J]. Applied Mathematics and Mechanics (English Edition), 2001, 22(6): 650-657.

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A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS

A NEW ALGORITHM OF TIME STEPPING IN DYNAMIC VISCOELASTIC PROBLEMS

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