采用有限元方法分析了颗粒增强铁基复合材料强度和应力与颗粒形状、尺寸以及体积分数的关系。
The finite element method is used to analyze the relationship between strength and stress of the particle reinforced iron matrix composites and the shapes, sizes and fraction volume of the particles.
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 cylinder is much larger than that of other three kinds.
所得结果表明应力偶流体运动特性不仅依赖于物质粘性常数，而且强烈地依赖于应力偶流体特有的与固体颗粒尺度有关的物性常数。
The results show that the couple stress fluid flow behavior depends on not only the coefficient of viscosity, but also the material constant responsible for the couple stress parameter.
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