6YANG Y Y,ZHAO L H,SUN Z Z.Study on mechanism of cytindrica! shallow shell surface deflection[J].Joumal of Materials Processing Technology,2007(188): 145-149.
7ISHIGAKI H,OKAMOTO.Analysis of growth and disappearance of surface deflection in press forming of largesized auto body panels[J].International Journal of Vehicle Design, 1985,6(2):240-256.
8FUKUMURA M, YAMASAKI Y, INAGE D, et al. Finite element simulation of surface defects in the automobile door outer panel[J]. AIP Conf. Proc., 2004, 712 : 1917-1922.
9YANG Y Y, ZHAO L H, SUN Z Z. Study on mechanism of cylindrical shallow shell surface deflection[J]. Journal of Materials Processing Teelmology, 2007, 187-188: 145-149.
10WANG Huiping, XU Siguang, CAO Jian. Prelimilary study on a surfacedistortion predictor for sheet metals: Validation in Yoshida buckling problems[C]//Numisheet 2008, Sep. 1-5, 2008, Interlaken, Switzerland: Institute of Virtual Manufacturing, 2008: 787-795.
