Eulerian Elasto-Plastic Formulations for Residual Stress Analysis of Friction Stir Welding

被引：0
|
作者：
Song, J. [1 ]
Michaleris, P. [1 ]
机构：
[1] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA
来源：
TRENDS IN WELDING RESEARCH, PROCEEDINGS | 2006年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Two Eulerian thermo-elasto-plastic formulations are developed as candidate algorithms to analyze the stress formation in Friction Stir Welding (FSW): One is based on the rate equilibrium equation, and the other on the standard equilibrium equation. Each is implemented using a mixed formulation with Streamline Upwind Petrov-Galerikin (SUPG) stabilization for three dimensional 8-node brick elements. Strip drawing examples are simulated to investigate the validity and convergence of the two algorithms. A combined thermal-viscoplastic and thermo-elasto-plastic analysis procedure is proposed for steady state analysis and a FSW example is simulated to show the potential of the Eulerian thermo-elasto-plastic algorithms.
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页码：267 / 272
页数：6
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