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首页> 外文期刊>Journal of Computational Physics >Simulation of solid-fluid mixture flow using moving particle methods
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Simulation of solid-fluid mixture flow using moving particle methods

机译：使用移动粒子方法模拟固液混合物流动

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A new basic framework for solid-fluid mixture flow simulation was developed using moving particle methods. The interactions between solid and fluid were modeled by the finite volume particle (FVP) method. The distinct element method (DEM) together with a multi-time-step algorithm was introduced into the FVP method to calculate the effects of contact between solid bodies and between solid bodies and walls. The introduced DEM model was verified by experimental analyses for the collapse of multiple solid cylinder layers. The proposed algorithm using the optimized DEM model was then applied to a water dam breaking, involving multiple solid cylinder layers. A comparison between experiments and simulations demonstrated the DEM model introduced into the FVP method is effective in representing solid-fluid mixture flows reasonably well. (C) 2008 Elsevier Inc. All rights reserved.
机译：使用移动粒子方法开发了一种新的用于固液混合流模拟的基本框架。固体和流体之间的相互作用是通过有限体积粒子（FVP）方法建模的。 FVP方法中引入了独特元素方法（DEM）和多时步算法，以计算实体之间以及实体与壁之间的接触效果。通过实验分析验证了引入的DEM模型对多个实体圆柱体层的塌陷的影响。然后将使用优化的DEM模型提出的算法应用于涉及多个实心圆柱层的水坝溃坝。实验与模拟之间的比较表明，引入FVP方法的DEM模型可以有效地很好地表示固液混合物流量。 （C）2008 Elsevier Inc.保留所有权利。

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