［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. 9aRrZRET6ucPZPSS4zQkv8vcHIsUDyXzUzDKm5h02Es419WRAUzF5RM/plxk3oRJ
