【摘要】 本文对模面为圆的平面变形拔制问题设定了直角坐标系连续速度场。然后采用变上限积分与参变量积分方法得到了上界解析解。更多还原

【Abstract】 A continuous velocity field referred to rectangular coordinatesis proposed to plane strain drawing through dies with a circular profile. A parametric integration and integral as a function of the upper limit are applied. And an upper bound analytical solution was obtained.更多还原