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Discrete Modelling of the Packing of Ellipsoidal Particles

机译:椭圆粒子包装的离散建模

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Particle shape affects the packing characteristics significantly. Such a topic has been investigated extensively in the literature by physical experiments or mathematical modelling. In this paper, we give a summary of packing of ellipsoidal particles using discrete element method. As ellipsoidal particles can represent a large number of shapes, e.g. from platy to elongated, the relationships between packing properties (such as packing fraction, coordination number and radial distribution function) and aspect ratios are established. Flow and force structures are also presented to illustrate how the shape affects those microscopic properties for further fundamental understanding. The results demonstrate that discrete element method provides a useful method to investigate the packing dynamics of ellipsoidal particles.
机译:颗粒形状显着影响包装特性。通过物理实验或数学建模,在文献中广泛进行了这样的话题。在本文中,我们使用离散元件方法举办椭圆形颗粒的包装综述。由于椭圆形颗粒可以代表大量形状,例如,从平板到伸长,建立填料特性(例如包装分数,协调数和径向分布函数)和纵横比之间的关系。还提出了流动和力结构以说明形状如何影响那些微观特性以进行进一步的基础理解。结果表明,离散元件方法提供了研究椭圆形颗粒的包装动力学的有用方法。

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