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Emergent flocking dynamics of the discrete thermodynamic cucker-smale model

  • Seung Yeal Ha
  • , Doheon Kim
  • , Zhuchun Li*
  • *Corresponding author for this work
  • Seoul National University
  • Korea Institute for Advanced Study
  • School of Mathematics, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)589-615
Number of pages27
JournalQuarterly of Applied Mathematics
Volume78
Issue number4
DOIs
StatePublished - Dec 2020
Externally publishedYes

Keywords

  • Collective behaviors
  • Discrete-time dynamics
  • Thermodynamic cucker-smale model

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