Various fractal morphologies are obtained by introducing noise reduc-tion, tansential and radial probabilities into DLA (diffusion-limited aggregation)medel. As the noise is reduced, perimeter sites with extremely sm...Various fractal morphologies are obtained by introducing noise reduc-tion, tansential and radial probabilities into DLA (diffusion-limited aggregation)medel. As the noise is reduced, perimeter sites with extremely small values of lo-cal field gradient ar展开更多
对于二聚合物类(dimer)的双粒子的扩散限制聚集生长(Diffusion-Limited-Aggregation,DLA)现象,我们研究了在不同的边界范围释放双粒子所聚集的粒子簇(cluster),发现对于由相同类粒子即无极性粒子构成的双粒子生成的粒子簇的分形(fractal...对于二聚合物类(dimer)的双粒子的扩散限制聚集生长(Diffusion-Limited-Aggregation,DLA)现象,我们研究了在不同的边界范围释放双粒子所聚集的粒子簇(cluster),发现对于由相同类粒子即无极性粒子构成的双粒子生成的粒子簇的分形(fractal)维数随释放边界离粒子簇中央距离的减少而增大,而且粒子簇形貌更加紧致(compact),但对于由不同类粒子即有极性粒子构成的双粒子簇,其分形维数变化无规律,有极性双粒子的 DLA 是一种新的模拟模型。展开更多
文摘Various fractal morphologies are obtained by introducing noise reduc-tion, tansential and radial probabilities into DLA (diffusion-limited aggregation)medel. As the noise is reduced, perimeter sites with extremely small values of lo-cal field gradient ar
文摘对于二聚合物类(dimer)的双粒子的扩散限制聚集生长(Diffusion-Limited-Aggregation,DLA)现象,我们研究了在不同的边界范围释放双粒子所聚集的粒子簇(cluster),发现对于由相同类粒子即无极性粒子构成的双粒子生成的粒子簇的分形(fractal)维数随释放边界离粒子簇中央距离的减少而增大,而且粒子簇形貌更加紧致(compact),但对于由不同类粒子即有极性粒子构成的双粒子簇,其分形维数变化无规律,有极性双粒子的 DLA 是一种新的模拟模型。