基于有限元仿真的诱导结构对薄壁梁变形行为的影响
摘要:基于有限元数值仿真软件
LS-DYNA
,系统研究了不同截面形状的薄壁梁结构轴向压缩变形行为。结果表明,圆形截面的铝合金薄壁梁结构在压缩变形过程中以手风琴模式变形,其变形规律稳定,其吸能性能较高,为
8655.65
J。以圆形薄壁梁为基础,研究不同形状诱导孔结构对其变形模式的影响
。关键词:
薄壁梁;轴向压缩变形;仿真;诱导孔
Effect
of cut-outs structure on the deformation behaviors of the thin-walled beam based on the finite element simulation
ABSTRACT:
Based on the finite element numerical simulation software
LS-DYNA
, Istudied the different cross section shape of thin wall beam structure axial compressive deformation behavior ...
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