Simulations of Aggregation Processes of Cluster by Extended Diffusion-Limited Model(2) - Fractal Dimension of three Dimensional Cluster

Hisashi MIYATA, Yoshio TODA*, and Takashi OHNO**

Department of Information Science, Hiroshima Prefectural University,
Shobara, Hiroshima 727, Japan ()
*Department of Industrial Chemistry, Osaka Prefectural Technical College,
Neyagawa, Osaka 572, Japan ()
**Department of Biofunctional Chemistry, Kobe University,
1-1 Rokkodai-cho, Nadaku Kobe 657, Japan ()

(Recieved : September 6, 1996 ; Accepted for publication : December 3, 1996)

A new approach to three dimensional cluster has been devised as an extension of the diffusion-limited aggregation (DLA) model. A graphics simulation shows that clusters formed are composed mainly of ca. 10 particles. The interaction force between particles and the cluster anisotropy does not affect cluster size significantly. From the results the effects of three dimensional DLA, cluster anisotropy and the interaction with the fractal dimension have been discussed.

Key words: Extended DLA model, Cluster Aggregation, Simulation, Fractal Dimension

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