Performance of shell elements in modeling spot-welded joints

被引：32
|
作者：
Chen, W [1 ]
Deng, X [1 ]
机构：
[1] Univ S Carolina, Dept Mech Engn, Columbia, SC 29208 USA
来源：
FINITE ELEMENTS IN ANALYSIS AND DESIGN | 2000年 / 35卷 / 01期
基金：
美国国家科学基金会;
关键词：
finite element analysis; shell elements; spot-welded joints;
D O I：
10.1016/S0168-874X(99)00055-4
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The numerical performance of general shell elements in modeling spot-welded joints is investigated. Finite element meshes composed of purely three-dimensional (3D) elements and purely general shell elements are used to analyze the stress and deformation fields in a symmetric coach-peel spot-welded specimen and their solutions are compared in detail. It is found that a properly refined finite element mesh of general shell elements can produce stress and deformation solutions comparable to those generated by a similarly refined mesh of 3D solid elements. The findings of this paper have direct implications to the analysis of sheet metal structures with spot-welded joints (such as automotive structures). (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：41 / 57
页数：17
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