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分析了板料拉深成形过程中的基本特征 ,总结出板料拉深成形中数值模拟技术所涉及到的诸如压边力控制、摩擦与润滑技术、拉延筋、成形极限、二次拉深以及有限元软件选取等一系列关键性问题。指出了解决这些关键性问题所遇到的主要困难，并提出了相应的解决办法。
The basic characteristics of sheet metal forming process are analyzed. The numerical simulation techniques of sheet metal forming are summarized, such as blank holder force control, friction and lubrication technology, drawbead, forming limit, secondary drawing As well as finite element software selection and a series of key issues. Pointed out the major difficulties encountered in solving these key problems and put forward corresponding solutions.