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arXiv · 2005.08062

An energy stable and positivity-preserving scheme for the Maxwell-Stefan diffusion system

Xiaokai Huo·Hailiang Liu·Athanasios E. Tzavaras·Shuaikun Wang
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Abstract

We develop a new finite difference scheme for the Maxwell-Stefan diffusion system. The scheme is conservative, energy stable and positivity-preserving. These nice properties stem from a variational structure and are proved by reformulating the finite difference scheme into an equivalent optimization problem. The solution to the scheme emerges as the minimizer of the optimization problem, and as a consequence energy stability and positivity-preserving properties are obtained.

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Xiaokai Huo, Hailiang Liu, Athanasios E. Tzavaras, Shuaikun Wang. 2020-05-16. An energy stable and positivity-preserving scheme for the Maxwell-Stefan diffusion system. https://arxiv.org/abs/2005.08062

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