Journal
MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES
Volume 33, Issue 9, Pages 1909-1928Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218202523500458
Keywords
Active particles; cross-diffusion; Hilbert problems; Kinetic theory; multiscale vision; reaction-diffusion
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This paper discusses the micro-macro derivation of models based on the kinetic theory for active particles. It involves a survey and critical analysis of existing phenomenological models, such as virus transport models, social dynamics, and Keller-Segel in a fluid. A Hilbert-type approach is presented for deriving macroscopic models from the underlying description, and specific macroscopic models are derived for the selected case studies. The paper ends with a forward look into future research perspectives.
This paper deals with the micro-macro derivation of models from the underlying description provided by methods of the kinetic theory for active particles. We consider the so-called exotic models according to the definition proposed in [N. Bellomo, N. Outada, J. Soler, Y. Tao and M. Winkler, Chemotaxis and cross diffusion models in complex environments: Modeling towards a multiscale vision, Math. Models Methods Appl. Sci. 32 (2022) 713-792]. The first part of the presentation focuses on a survey and a critical analysis of some phenomenological models known in the literature. We refer to a selection of case studies, in detail, the transport of virus models, social dynamics, and Keller-Segel in a fluid. The second part shows how a Hilbert-type approach can be developed to derive models at the macroscale from the underlying description provided by the kinetic theory of active particles. The third part deals with the derivation of macroscopic models corresponding to the selected case studies. Finally, a forward look into the future research perspectives is proposed.
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