The directly welded RHS joints are complicated 3-D thin walled structures. In order to get its behavior by theoretical analysis, the material and geometrically nonlinear problems must be considered.

 
  • 直接焊接方管节点是复杂的三维空间薄壁结构,对其理论分析必须考虑几何非线性和材料非线性的影响。
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