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通过有限元系统分析矩形钢管焊接空心球节点在轴力作用下的受力性能,建立采用壳单元的有限元模型,对轴力作用下的矩形钢管焊接空心球节点进行弹性有限元分析,给出轴力作用下矩形钢管焊接空心球节点的应力分布规律,并对它的力学性能进行分析.
The finite element model was used to analyze the mechanical behavior of welded hollow ball joints of rectangular steel tube under axial force. The finite element model of shell element was established and the finite element model of hollow welded hollow ball joints subjected to axial force was established. Stress distribution of welded hollow ball joints of rectangular steel tube under axial force was analyzed and its mechanical properties were analyzed.