此外，直接积分法还可正确地计算外部流场速度分布。这是偶强梯度法不能完成的。
In addition, the present direct integral method can be used to evaluate the velocity distribution for external flow field correctly where the method of gradient cannot be used at all.
这种插值形式不仅很好地反映了材料变形，而且使得无单元法在分析功能梯度材料时可以方便地采用各个积分点处的材料特性。
This kind of interpolation better reflects the deformation. EFM can conveniently adopt the material properties of the integration point to analyze FGM.
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