Axial crashworthiness analysis of aluminum foam-filled multi-cell thin-walled cone tube
A new type of aluminum foam-filled multi-cell thin-walled cone tube(AFMCT)was established.Firstly,the finite element model of AFMCT was established based on LS-DYNA software,and the quasi-static compression experiment was used to verify it.Furthermore,the effects of cell number,cone angle,wall thick-ness and aluminum foam density on the energy absorption characteristics of AFMCT were studied by quasi-sta-tic compression experiments.Results show that AFMCT has regular deformation mode,which is not affected by structural parameters.The increase of wall thickness has the greatest impact on the energy absorption capacity of the structure,followed by the cell number and cone angle;the density of aluminum foam has the least im-pact.The research results can provide reference for the design of thin-walled tube energy absorption device.
NETL
NSTL
万方数据
