对于颗粒系统，该方法被称为离散颗粒法(Discrete Particle Method，DPM)，近年来该方法在气固两相流特别是喷动床中得到广泛应用，显示出了其优良 的预测能力。
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Discrete particle models can be classified into Deterministic method and Stochastic method in accounting for the particle collisions.
在离散颗粒模型中，根据对颗粒间碰撞过程的处理方法的不同可分为确定性模型和随机性模型。
Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM).
采用离散元方法，对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
对气固两相平板混合层流动，采用离散涡方法模拟气相场，轨道法跟踪颗粒的运动。
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