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Date of Publication:2001-01-01

Journal:应用数学和力学

Affiliation of Author(s):运载工程与力学学部

Volume:22

Issue:6

Page Number:579-586

ISSN No.:1000-0887

Abstract:A new scheme of time stepping for solvin g the dynamic viscoelastic problems are presented. By expanding variables at a d iscretised time interval, FEM based recurrent formulae are derived. A self-adapt i ve algorithm for different sizes of time steps can be carried out to improve com puting accuracy. Numerical validation shows satisfactory performance.

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