3D simulation of the Cluster–Cluster Aggregation model

Abstract

We write a program to implement the Cluster–Cluster Aggregation (CCA) model with java programming language. By using the simulation program, the fractal aggregation growth process can be displayed dynamically in the form of a three-dimensional (3D) figure. Meanwhile, the related kinetics data of aggregation simulation can be also recorded dynamically. Compared to the traditional programs, the program has better real-time performance and is more helpful to observe the fractal growth process, which contributes to the scientific study in fractal aggregation. Besides, because of adopting java programming language, the program has very good cross-platform performance. Program summaryProgram title: CCACatalogue identifier: AEUK_v1_0Program summary URL:http://cpc.cs.qub.ac.uk/summaries/AEUK_v1_0.htmlProgram obtainable from: CPC Program Library, Queen’s University, Belfast, N. IrelandLicensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.htmlNo. of lines in distributed program, including test data, etc.: 390649No. of bytes in distributed program, including test data, etc.: 83881850Distribution format: tar.gzProgramming language: Java.Computer: Any computer with Windows, java jdk and java3d jdk installed.Operating system: Windows.RAM: Determined by the number of the initial particles in the simulation testClassification: 14, 16.12.Nature of problem:The programs for the CCA model published are very rare, and are mostly in the form of a 2D figure. So, existing computer simulation programs cannot well simulate the fractal aggregation. Compared to the existing programs, our simulation program for the CCA model in the form of a 3D figure can better simulate the process dynamically.Solution method:A program is provided that well simulates CCA model in the form of a 3D figure. The program implementation is based on the java programming language. Especially, we use the java3d technology to display the simulative graphics in form of 3D.Restrictions:In order to show the process of fractal aggregation growth dynamically, this program needs to refresh the graphics of aggregation of colloidal particle frequently. So this program takes up a lot of computer memory. The storage capacity of the computer memory used to run the program will limit the number of single particles which the program can simulate.Unusual features:The program simulates the CCA model in the form of a 3D figure using the java3d technology.Additional comments:!!!!Due to the large file size, CCA is not delivered directly when download or Email is requested. Instead an html file giving details of how the program can be obtained is sent.!!!!Running time:Determined by the size of the problem.