1. Cai ZY, Wang SH, Xu XD, Li MZ (2009) Numerical simulation for the multi-point stretch forming process of sheet metal. J Mater Process Technol 209(1):396–407
2. Wang SH, Cai ZY, Li MZ (2010) FE simulation of shape accuracy using the multi-point stretch-forming process. Int J Mater Prod Technol 38(2–3):223–236
3. Zhou ZH, Cai ZY, Li MZ (2005) Stretching process based on multi-point die and its numerical simulation. J Jilin Univ Eng Technol Ed 19(3):287–291, in Chinese
4. Li MZ, Nakamura K, Watanabe S et al (1992) Study of the basic principles (1st report: research on multi-point forming for sheet metal). Proc. of the Japanese Spring conf. for Technology of Plasticity, pp 519–522 (in Japanese)
5. Nakajima N (1969) A newly developed technique to fabricate complicated dies and electrodes with wires. J Japan Soc Mech Eng 72(603):498–506