［1］OLOVSSON L,SIMONSSON K,UNOSSON M.Selective Mass Scaling for Explicit Finite Element Analyses.［J］.International Journal for Numerical Methods in Engineering,2005,63（10）:1436-1445. kk06hO7via6or/sUIqc5tcPsZ1Ae9HXA3dRVS0wpZXgjD4B2Hl3MtES9zgxYovws
