Robustness analyses of numerical simulation of fusion welding NeT-TG1 application: "Single weld-bead-on-plate"

被引：39
|
作者：
Gilles, Philippe [1 ]
El-Ahmar, Walid [2 ]
Jullien, Jean-Francois [2 ]
机构：
[1] AREVA, F-92084 Paris, France
[2] Inst Natl Sci Appl, CNRS, UMR 5259, LaMCoS, F-69621 Villeurbanne, France
来源：
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2009年 / 86卷 / 01期
关键词：
Heat source modelling; Hardening model; Cyclic loads; 316L austenitic stainless steel;
D O I：
10.1016/j.ijpvp.2008.11.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study contributes to the NeT-TG1 European Network formed in 2002. The aim of this study is to predict, by numerical simulation, the residual stresses generated in a test plate by the fusion welding process. The experiment consisted in the deposit of a weld bead along the longitudinal centre-line of an austenitic 316L plate using an automatic Tungsten Inert Gas (TIG) welding process with 316L filler material. During and after thermal cycle, a large quantity of measurement data is obtained that serve to develop a comparison with the results of different numerical models. The comparative thermal and mechanical analysis allows assessment for the general ability of the numerical models to describe the structural behaviour. The importance of the heat-input rate and material characteristics is also investigated. The residual stresses were predicted by the finite element method using the program Code-Aster of EDF and SYSWELD of ESI-GROUR Finally the numerical results are validated by comparison with experimentally measured data. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3 / 12
页数：10
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