The results show that the extent of FOD depends on both impact energy E and geometric scale S. There exists a critical damage for a given blades.
结果表明，叶片的外物损伤程度取决于撞击能量E和几何标度S，对于一定的叶片，存在不影响疲劳寿命的极限损伤。
Cutting roll-formed steel C-section to stub columns will produce different extent of cross section distortion along the lengths and cause additional initial geometric imperfections.
把辊轧成型的C形冷弯薄壁型钢构件切割成若干短柱，在短柱中将产生不同程度的歪曲变形，进而引起附加的初始几何缺陷。
The simulation of geometric boundary condition and the division of computation mesh also affect the computation result of the slab stress to some extent.
对几何边界条件的处理、单元网格的划分也会对面板的计算应力产生一定的影响。
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