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Quantitative Analysis of Physical and Statistical Properties of Flocks.
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
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]

Flocking behavior is a common phenomenon in nature in the form of, for instance, flocks

of birds or schools of fish. Making the assumption that the members of a flock can be

considered a system of interacting particles it is possible to use methods from statistical

physics to quantitatively analyze flocks and their properties. This way, a flock can exist in

various thermodynamic phases and exhibit phase transitions depending on changes within

the flock. In this report the flock analysis is performed with the help of a model originally

created by Vicsek et al. The model is governed by certain parameters controlling the

interaction between individual flock members. From the results it is possible to see that

even small deviations in these parameter values can lead to great phase alterations as well

as phase transitions, which strengthens to the assumption that a flock can be considered

a system of particles.

Place, publisher, year, edition, pages
2014. , 35 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-145992OAI: oai:DiVA.org:kth-145992DiVA: diva2:721440
Supervisors
Available from: 2014-06-04 Created: 2014-06-04 Last updated: 2014-06-04Bibliographically approved

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Kandidatexamensarbete Joakim Bergdahl, Lars Almgren(10703 kB)239 downloads
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