The stress concentration factor of cylinder is much larger than that of other three kinds.
圆柱形颗粒的应力集中在基体达到屈服后要远远高于其他三种颗粒。
The stress concentration factor of the gun tube pit was defined. The FEM models of the pits were built by MSC.
探索出一种估算压坑中最大应力强度的方法：定义了压坑应力集中系数，通过MSC。
The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite.
结果表明：在开孔尺寸一定的情况下，随着板宽的增大，开孔损伤板的应力集中因数减小；
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