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math.NA2026
A general synthetic iterative scheme with high-order spatial discretization for rarefied gas mixture flows
Jianan Zeng, Wei Su
We develop a high-order discontinuous Galerkin formulation of the general synthetic iterative scheme (GSIS) for steady rarefied gas mixture flows. The resulting GSIS-DG discretizes…
math.NA2026
An asymptotic-preserving reduced-order method for parametrised rarefied gas flow by proper generalised decomposition
Luowei Yin, Wei Su
Modelling rarefied gas flow using the Boltzmann equation is vital in many areas. Because of the high dimensionality and coexistence of multiple characteristic scales, conventional…
math.NA2025
Reduced-Order Solution for Rarefied Gas Flow by Proper Generalised Decomposition
Wei Su, Xi Zou
Modelling rarefied gas flow via the Boltzmann equation plays a vital role in many areas. Due to the high dimensionality of this kinetic equation and the coexistence of multiple cha…