用流函数法确定了实心薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。

The flow function method is used to define the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of solid aluminum shape with thin wall extrusion.

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用流函数法确定了宽截面薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。

The flow function method is used to build the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of wide section Aluminum shape extrusion.

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与三角形分析法比较，该方法具有形象、直观、易于理解的特点，能够迅速、准确地确定行星变速箱的功率流大小及流向。

Compared with the triangle method, the new way has the traits of visualizing, intuition, easy understanding, swift and nicety to determine the power currents and its direction of the planet gear box.

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