二维粒子运动模型的模拟和解析研究
Journal of Hefei University of Technology(Natural Science)（2022）
Abstract
文章采用元胞自动机模型建立存在位置交换的对向粒子流模型,粒子运动发生冲突时,根据周围环境判断是否交换位置,通过计算机仿真,出现系统平均速度随着密度上升先减小后增加的现象.有学者采用简单平均场方法解析对向粒子流模型,但是该方法忽略粒子之间的相关性,解析结果存在较大的误差.该文利用考虑粒子之间相关性的簇平均场方法对模型进行解析,发现解析结果与仿真结果较为吻合,验证了平均场方法的准确性,同时也发现通过位置交换可以有效地提高粒子运动效率,降低堵塞的发生.
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