Diffusion-Limited Aggregation: a Model for Computer Simulation of Fractal Growth
Diffusion-limited aggregation (DLA) is a model for computer simulation of particle aggregation. It is known to generate aggregates with a characteristic appearance with many branches spreading in all directions and a specic fractal dimension. The aggregates resemble many created by processes in natu...
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| Format: | Others |
| Language: | English |
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KTH, Teoretisk fysik
2014
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| Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146038 |
| Summary: | Diffusion-limited aggregation (DLA) is a model for computer simulation of particle aggregation. It is known to generate aggregates with a characteristic appearance with many branches spreading in all directions and a specic fractal dimension. The aggregates resemble many created by processes in nature such as crystallization, uid ow and growth of bacteria colonies. In this thesis the DLA model and a few variations of it are investigated to illuminate its exibility. The variations investigated are a noise-reduced model, introducing surface tension and increasing the ux of particles. The fractal dimension is calculated in each case and compared to the results of similar experiments, both simulated and real. |
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