【摘要】 本文针对应用上限元法反向模拟叶片成形过程时所遇到的具体问题的处理，提出一系列算法，开发了叶片成形过程的上限元反向模拟系统，并应用该系统分析、确定了合理的叶片预制坯形状更多还原

【Abstract】 In this paper, the solution of problems occured during UBET backward simulation of a blade is studied. at the same time, a series of calculation methods is put forward and the UBET backward simulation system is compiled which is used to analyze and define the shape of the blank of the blade.更多还原