On the basis of quasi -static axial crushing experiments of single-hat thin-walled sections ,a variety of weld models were est ablished for the quasi-static coll apse simulations of hat thin-walle d tubes.

• 以单帽薄壁管轴向准静态压溃试验为基础 ,研究了帽型薄壁管准静态压溃有限元分析中焊点的建模方式。