凸模位移
The paper's important content and production are: ( 1) Set up three-dimensional elastic-plastic FE model for incremental sheet forming. Realize continuous simulation process for incremental sheet forming through imposing time-displacement curve to control its motion on the punch;
建立渐进成形工艺三维弹塑性有限元模型,通过对成形头运动施加时间-位移控制,实现了连续模拟过程;
The results show that the SPT load displacement curves of BMG are very sensitive to punch velocity and test temperature, and the shape of SPT load displacement curves is controlled by strain rate sensitivity, viscosity and punch velocity etc.
结果表明,BMG材料的SPT载荷位移曲线对压头速度和实验温度的敏感性较高,而SPT载荷位移曲线的形状与材料的应变速率敏感系数、粘度、压头速度等因素有关。
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