基于三维扫描技术的管节点疲劳热点应力集中系数分析

马永亮,张应铭,陆国庆,杨跃富,韩超帅

Analysis of stress concentration factor of fatigue hot spot for tubular joints based on 3D scanning technology

Yongliang MA,Yingming ZHANG,Guoqing LU,Yuefu YANG,Chaoshuai HAN

表 2 有限元模型近焊趾处的网格尺寸

Tab.2 Mesh size of region near weld toe for finite element model

网格方向 h 稀疏网格 正常网格 加密网格 支管径向 0.5TB 0.50TB 0.25TB 弦管径向 0.5TC 0.33TC 0.25TC 支管环向 1.0TB 0.50TB 0.25TB