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Journal of KWJS 2004;22(2):28-32.
Published online September 15, 2004.
[기술논문] 노치응력접근법을 이용한 차량구조재 용접이음부의 피로내구성 해석
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Analysis of Fatigue Durability on Seam Weldment using Notch Stress Approach
Min-Gun Kim, Tae-Gug Min
Abstract
Fatigue life at seam weldment of thick plate was estimated using the finite element and FEM-FAT(an exclusive fatigue solver). Finite element meshing at toe and root of weldment was base on Radaj's theory. Also, the results of FE analysis were compared with experimental results in the point of Miner's Rule. The results of FE and FEM-FAT analysis were in accord with experimental results within 60％ confidence. This result reveals that above techniques is useful in assessment of seam weldment and to be an alternative method instead of an object experiment.
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