Sensitivity of plastic strain localization zones to boundary and initial conditions

被引：0
|
作者：
A. Garstecki
A. Glema
T. Łodygowski
机构：
[1] Institute of Structural Engineering,
[2] Poznan University of Technology,undefined
[3] ul. Piotrowo 5,undefined
[4] PL 60-965 Poznan,undefined
[5] Poland,undefined
来源：
Computational Mechanics | 2003年 / 30卷
关键词：
Keywords Plastic strain localization, Sensitivity analysis;
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摘要：
 The plastic strain localization phenomena are studied with the use of the theory of viscoplasticity and finite element method. The aim of the study is to check if the strain localization is sensitive to variation of initial and boundary conditions. Total and local plastic deformation energy as candidate response functionals for sensitivity analysis are discussed by selected numerical examples of wave propagation problems. The paper considers sensitivity of the form and intensity of plastic strain localization to the variation of the above parameters. Different response functionals for structures demonstrating plastic strain localization were proposed and studied.
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页码：164 / 169
页数：5
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