Fast Finite Element Analysis of Weld Residual Stress in Large-Diameter Thick-Walled Stainless Steel Pipe Joints and Its Experimental Validation

Weld residual stress analysis is an effective method for integrity evaluation of welding structures. However, faster computation techniques have been demanded because of the huge calculation time needed for the analysis. Recently, accurate weld residual stress evaluation based on faster three-dimens...

Full description

Saved in:
Bibliographic Details
Published inQUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 31; no. 4; pp. 129s - 133s
Main Authors Maekawa, Akira, Serizawa, Hisashi, Nakacho, Keiji, Murakawa, Hidekazu
Format Journal Article
LanguageEnglish
Published JAPAN WELDING SOCIETY 2013
Subjects
Fast computation
Finite element analysis
Inherent strain method
Iterative methods
Iterative substructure method
Mathematical analysis
Residual stress
Stainless steels
Substructures
Three dimensional
Validation
Weld residual stress
Welded joints
Welding
Online AccessGet full text

Cover

More Information
Summary:Weld residual stress analysis is an effective method for integrity evaluation of welding structures. However, faster computation techniques have been demanded because of the huge calculation time needed for the analysis. Recently, accurate weld residual stress evaluation based on faster three-dimensional analysis has become available through development of the iterative substructure method. In this study, computing performance of the three-dimensional weld residual stress analysis using the iterative substructure method was examined for a large-diameter thick-walled stainless steel pipe joint and then the analysis accuracy was validated by the weld residual stress distribution measured using the inherent strain method. These results demonstrated that the analysis technique using the iterative substructure method could accurately calculate large-scale welding problems within practical times.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0288-4771
2434-8252
DOI:10.2207/qjjws.31.129s