In order to explore the change of pseudo-density to the effect of material rigidity and set up the relation between them for density variable method, we presented FEM to deal with the problem.
为了探讨变密度法中伪密度的变化对材料刚度的影响，并建立两者之间的力学关系，本文采用有限元法研究这一问题。
Select the suitable wheel. Need wheel to grind base on the workpiece material, rigidity and manufacturing requirement.
应根据工件材料、硬度及加工要求，选择适当的砂轮进行磨削。
Select the suitable wheel. Need wheel to grind base on the workpiece material, rigidity and manufacturing requirement.
应根据工件材料、硬度及加工要求，选择适当的砂轮进行磨削。
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