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Diffusion-Limited Aggregation: a Model for Computer Simulation of Fractal Growth
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

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.

Place, publisher, year, edition, pages
2014. , 28 p.
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-146038OAI: diva2:721892
Available from: 2014-06-05 Created: 2014-06-05 Last updated: 2014-06-05Bibliographically approved

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