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首页> 外文会议>International Conference on Micromechanics of Granular Media >Effects of Grain Shape on Mechanical Behaviors of Granular Material under Plane Strain Condition in 3D DEM Analyses
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Effects of Grain Shape on Mechanical Behaviors of Granular Material under Plane Strain Condition in 3D DEM Analyses

机译：晶体形状对3D DEM分析平面应变条件下颗粒材料力学行为的影响

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In this paper, we carried out the true triaxial test simulation under plane strain condition with three dimensional DEM analyses (3D DEM) to study behavior and development of shear band. The maximum mobilized internal friction angle corresponds to the shape factor, FU, on a linear relationship, and the inclination of the linear relationship seems to become larger with the microscopic angularity of the grain. The thickness of the shear band increased with the grain size. Also the grain shape affects on the relationship of residual stress ratio to relative shear displacement along the shear band.
机译：在本文中，我们在平面应变条件下进行了真正的三轴试验模拟，三维DEM分析（3D DEM）研究了剪切带的行为和发展。最大动员的内部摩擦角对应于线性关系的形状因子，傅，并且线性关系的倾斜度似乎随着晶粒的显微角度而变大。剪切带的厚度随粒度的增加而增加。此外，晶粒形状会影响残余应力比与剪切带相对剪切位移的关系。

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