Effects of Welding Residual Stresses on High Tensile Steel Plate Ultimate Strength: Nonlinear Finite Element Method Investigations

被引：37
|
作者：
Paik, Jeom Kee [1 ]
Sohn, Jung Min [2 ]
机构：
[1] Pusan Natl Univ, Lloyds Register Educ Trust Res Ctr Excellence, Pusan 609735, South Korea
[2] Pusan Natl Univ, Dept Naval Architecture & Ocean Engn, Pusan 609735, South Korea
来源：
JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING-TRANSACTIONS OF THE ASME | 2012年 / 134卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
finite element analysis; internal stresses; plates (structures); steel; tensile strength; welding; welds; SHAPED OFFSHORE STRUCTURES; LIMIT STATE ASSESSMENT; SHIPS;
D O I：
10.1115/1.4004510
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The primary objective of the present paper is to examine the effects of welding residual stresses on ultimate strength of high tensile steel plates under axial compression in terms of their magnitude and pattern. The ANSYS nonlinear finite element method is employed for the purpose. The secondary objective of the present paper is to study a nonlinear finite element method modeling technique for welded plate structures with residual stresses. Three levels of residual stresses, namely slight, average, and severe, are considered. As another important parameter of influence on the plate ultimate strength, the plate thickness is also varied in the numerical computations to examine their role and trend. Important insights and conclusions developed from the present study are documented. [DOI: 10.1115/1.4004510]
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页数：6
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