In this paper, the numerical solution is got through analyzing the direct extrusion procedure theoretically, that can describe the differential equation of metal flowing accurately.
通过对正挤压工序的理论分析得到了数值解，其精确地满足金属流动描述的微分方程。
The solution procedure is illustrated with some numerical examples.
一些数值例子说明求解过程。
The respective parametric quadratic programming solution can be used to solve the FEM frictional contact problem exactly. The numerical example clarifies the procedure.
参变量二次规划可以用于精确求解，并且通过数例说明了计算方法。
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