【摘要】 提出了一个关于外场中分形聚集的粒子－集团模型。在考虑到正方网格中最近邻、次近邻和二次近邻相互作用以及相互作用的距离因素的条件下，研究了外场中的分形聚集性质。计算机模型结果表明：阈值概率Ｐ＿ｃ￣ａ＝（０．７４±０．０１），相应的分维Ｄ＿ｃ＝（１．６８±０．０２）。更多还原

【Abstract】 A particle-cluster model for fractal aggregation that have been presented. The nearest neighbor, next nearenst neighbor and third nearest neighbor interactions in squar lattice are considered, and the properties of fractal aggregation in external is investigated. Our computer simulation results show that threshold brobability is and fractal dimension Dc= (1. 68±0. 02) at this threshold.更多还原