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The proposed preform FE simulation optimization scheme is effective and overcomes the drawbacks of previous empirical design.
所提出的有限元模拟预成形优化方法十分有效，克服了以往凭经验设计的弊端。
The mesh of copper tubes and loading ways of the balls are the key problems during three dimensional FE simulation of ball spinning of inner grooved tubes.
内螺纹管滚珠旋压三维有限元模拟中，铜管的网格划分和滚珠加载方式是模拟的关键问题。
The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.
根据理论计算得到了法向压力分布的简化模型，并结合有限元数值模拟对多点压边圈上的压力传递问题进行了分析。
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