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arXiv · 2403.18478

A consistent kinetic Fokker-Planck model for gas mixtures

Marlies Pirner
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Abstract

We propose a general multi-species Fokker-Planck model. We prove consistency of our model: conservation properties, positivity of all temperatures, H-Theorem and the shape of equilibrium as Maxwell distributions with the same mean velocity and temperature. Moreover, we derive the usual macroscopic equations from the kinetic two-species BGK model and compute explicitly the exchange terms of momentum and energy.

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Marlies Pirner. 2024-03-27. A consistent kinetic Fokker-Planck model for gas mixtures. https://arxiv.org/abs/2403.18478

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