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按Ｍｉｓｅｓ屈服准则求解板料成形问题， 理论严密， 结果准确。本文提出了一种Ｍｉｓｅｓ准则的圆形屈服轨迹图。利用这种圆形屈服轨迹图求解轴对称板料成形问题， 可使求解过程简化， 使求解结果更加清晰、直观。与传统的椭圆屈服轨迹比较， 有明显的改进。
According to Mises yield criterion to solve the sheet forming problem, the theory is rigorous and the result is accurate. In this paper, a circular yield curve of Mises criterion is proposed. Using this circular yielding locus diagram to solve the problem of forming an axisymmetric sheet can simplify the solution process and make the solution more clear and intuitive. Compared with the traditional elliptical yield trajectory, there is a clear improvement.