A continuous velocity field is established and applied to the ironing process, and an upper-bound analytical solution is obtained.
利用连续速度场解析了筒形件变薄拉深过程拉深力，并获得其上限解析解。
A kinematically admissible continuous velocity field is established and applied to the plane strain due to drawing, and the upper-bound analytical solution is obtained.
对平面变形拉拔问题建立了运动许可的连续速度扬并获得上限解析解。
A kinematically admissible continuous velocity field to the plane strain extrusion is established in cartesian coordinates, and an upper - bound analytical solution is thus obtained in this paper.
本文采用直角坐标系建立了平面变形挤压问题的运动学许可连续速度场并获得了该问题的上解析限解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
入口截面不消耗剪切功率，然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
入口截面不消耗剪切功率，然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
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