Considering the effects of space behavior and load distribution on the bent, a practical method for calculating the effective length of the bent columns is proposed.

考虑厂房空间作用和排架荷载分布的影响，对排架柱的计算长度提出了实用计算方法。

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At the same time, 3D-FEM simulation of the whole process was performed using DEFORM-3DTM software. And the load-stroke curve, effective stress and strain distribution, and so on were obtained.

用三维有限元数值模拟软件DEFORM-3DTM进行了数值模拟研究，得到了锻造载荷-行程曲线以及整个成形过程的应力和应变分布等，并与传统的均匀加放余量法进行了比较。

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