Dan Li~*,University of Science and Technology of China Zhiping Tang,University of Science and Technology of China Xinghua Zhang,University of Science and Technology of China Huimin Wu,University of Science and Technology of China
<正>Comparison with the buckling behavior of thin cylindrical shape-memory shells at room temperature,which observed from Sia Nemat-Nasser experimental evidences using a modified split Hopkinson bar,numerical simulation is carried out to analyze several unique buckling behavior of superelastic shape-memory alloy(SMA) shells. The load-deformation curves of the shells have been predicted by using the FEM code.The influence of critical buckling time,different ratios of radius to thickness,and material performance(steel、shape memory alloys) on the dynamic buckling of Shells as analyzed.By computation of energy dissipation,predominance of thin TiNi cylindrical shell's double energy absorbing capability of intelligent material and structure is showed.It is suitable for energy dissipation mechanism.
thin TiNi cylindrical shells;;energy dissipation;;buckling;;phase transition wave;;ANSYS/LS-DYNA
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