Three-dimensional finite element method was employed to investigate the effect of the strength mismatching of the groove weld of beam flange on the fracture toughness requirements in terms of stress intensity factor K and crack tip opening displacement (CTOD).
基于断裂力学有限元分析,以应力强度因子K 和裂纹尖端张开位移CTOD 作为断裂力学参量,首次研究了梁翼缘焊缝强度匹配对其断裂韧度要求的影响。
参考来源 - 钢结构刚性梁柱节点抗震性能的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
环焊缝强度匹配是天然气管道研究与应用的热点问题。
The strength mismatch of girth weld is a concerned problem of study and application of pipeline.
焊接接头强度匹配因子m对裂纹尖端的J积分值有很大的影响。
The strength matching factor m has a great influence on the J integral in the vicinity of the crack tip.
基于局部法定量研究了焊接接头中强度匹配、试样几何形式对接头断裂行为的影响。
The effects of strength matching and specimen geometry on the fracture behavior for welded joint are conducted by 3-d fe analysis based on the local approach.
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