An equation of state for insect swarms
Abstract Collective behaviour in flocks, crowds, and swarms occurs throughout the biological world. Animal groups are generally assumed to be evolutionarily adapted to robustly achieve particular functions, so there is widespread interest in exploiting collective behaviour for bio-inspired engineeri...
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Nature Portfolio
2021
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oai:doaj.org-article:5741a46845434d46a940cebdc2e54fec2021-12-02T14:26:48ZAn equation of state for insect swarms10.1038/s41598-021-83303-z2045-2322https://doaj.org/article/5741a46845434d46a940cebdc2e54fec2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83303-zhttps://doaj.org/toc/2045-2322Abstract Collective behaviour in flocks, crowds, and swarms occurs throughout the biological world. Animal groups are generally assumed to be evolutionarily adapted to robustly achieve particular functions, so there is widespread interest in exploiting collective behaviour for bio-inspired engineering. However, this requires understanding the precise properties and function of groups, which remains a challenge. Here, we demonstrate that collective groups can be described in a thermodynamic framework. We define an appropriate set of state variables and extract an equation of state for laboratory midge swarms. We then drive swarms through “thermodynamic” cycles via external stimuli, and show that our equation of state holds throughout. Our findings demonstrate a new way of precisely quantifying the nature of collective groups and provide a cornerstone for potential future engineering design.Michael SinhuberKasper van der VaartYenchia FengAndrew M. ReynoldsNicholas T. OuelletteNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021) |
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Medicine R Science Q |
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Medicine R Science Q Michael Sinhuber Kasper van der Vaart Yenchia Feng Andrew M. Reynolds Nicholas T. Ouellette An equation of state for insect swarms |
description |
Abstract Collective behaviour in flocks, crowds, and swarms occurs throughout the biological world. Animal groups are generally assumed to be evolutionarily adapted to robustly achieve particular functions, so there is widespread interest in exploiting collective behaviour for bio-inspired engineering. However, this requires understanding the precise properties and function of groups, which remains a challenge. Here, we demonstrate that collective groups can be described in a thermodynamic framework. We define an appropriate set of state variables and extract an equation of state for laboratory midge swarms. We then drive swarms through “thermodynamic” cycles via external stimuli, and show that our equation of state holds throughout. Our findings demonstrate a new way of precisely quantifying the nature of collective groups and provide a cornerstone for potential future engineering design. |
format |
article |
author |
Michael Sinhuber Kasper van der Vaart Yenchia Feng Andrew M. Reynolds Nicholas T. Ouellette |
author_facet |
Michael Sinhuber Kasper van der Vaart Yenchia Feng Andrew M. Reynolds Nicholas T. Ouellette |
author_sort |
Michael Sinhuber |
title |
An equation of state for insect swarms |
title_short |
An equation of state for insect swarms |
title_full |
An equation of state for insect swarms |
title_fullStr |
An equation of state for insect swarms |
title_full_unstemmed |
An equation of state for insect swarms |
title_sort |
equation of state for insect swarms |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/5741a46845434d46a940cebdc2e54fec |
work_keys_str_mv |
AT michaelsinhuber anequationofstateforinsectswarms AT kaspervandervaart anequationofstateforinsectswarms AT yenchiafeng anequationofstateforinsectswarms AT andrewmreynolds anequationofstateforinsectswarms AT nicholastouellette anequationofstateforinsectswarms AT michaelsinhuber equationofstateforinsectswarms AT kaspervandervaart equationofstateforinsectswarms AT yenchiafeng equationofstateforinsectswarms AT andrewmreynolds equationofstateforinsectswarms AT nicholastouellette equationofstateforinsectswarms |
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1718391309829406720 |