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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

Emergent flocking dynamics of the discrete thermodynamic Cucker-Smale model


Authors: Seung-Yeal Ha, Doheon Kim and Zhuchun Li
Journal: Quart. Appl. Math. 78 (2020), 589-615
MSC (2010): Primary 92D25
DOI: https://doi.org/10.1090/qam/1565
Published electronically: December 20, 2019
MathSciNet review: 4148820
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Abstract: We present two sufficient frameworks for the emergent dynamics to the discrete thermodynamic Cucker-Smale (TCS) model. Our proposed frameworks are formulated in terms of the initial data and system parameters. The TCS model was first introduced to incorporate the effect of a temperature field in the dynamics of the Cucker-Smale model, and it has been systematically derived from the hydrodynamic model for gas mixture under the spatial homogeneity assumption. The particle model by Cucker and Smale describes the temporal evolution of mechanical observables such as position and velocity, whereas our TCS model governs the dynamics of position, velocity, and temperature of thermodynamic C-S particles. The TCS model conserves the mass, momentum, and energy, and the total entropy is monotonically increasing so that it is consistent with the principle of thermodynamics.


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Additional Information

Seung-Yeal Ha
Affiliation: Department of Mathematical Sciences and Research Institute of Mathematics, Seoul National University, Seoul 08826, Republic of Korea — and — Korea Institute for Advanced Study, Hoegiro 85, Seoul 02455, Republic of Korea
MR Author ID: 684438
Email: syha@snu.ac.kr

Doheon Kim
Affiliation: School of Mathematics, Korea Institute for Advanced Study, Seoul 02455, Republic of Korea
MR Author ID: 1277907
Email: doheonkim@kias.re.kr

Zhuchun Li
Affiliation: School of Mathematics and Institute for Advanced Study in Mathematics, Harbin Institute of Technology, Harbin 150001, China
MR Author ID: 912583
ORCID: 0000-0001-5278-1927
Email: lizhuchun@hit.edu.cn

Keywords: Collective behaviors, discrete-time dynamics, thermodynamic Cucker-Smale model
Received by editor(s): August 13, 2019
Received by editor(s) in revised form: October 27, 2019
Published electronically: December 20, 2019
Additional Notes: The first author was supported by NRF grant (NRF-2017R1A2B2001864).
The third author was supported by the Heilongjiang Provincial Natural Science Foundation of China (LH2019A012) and the Natural Science Foundation of China (11671109). The third author is the corresponding author.
Article copyright: © Copyright 2019 Brown University