Mingchang Ding

[Submitted on 9 Jan 2024] Title:Hyperbolic Machine Learning Moment Closures for the BGK Equations Download a PDF of the paper titled Hyperbolic Machine Learning Moment Closures for the BGK Equations, by Andrew J. Christlieb and 3 other authors Download PDF HTML (experimental) Abstract:We introduce a hyperbolic closure for the Grad moment expansion of the Bhatnagar-Gross-Krook's (BGK) kinetic model using a neural network (NN) trained on BGK's moment data.

[Submitted on 12 Jun 2023 ( v1 ), last revised 6 Nov 2024 (this version, v2)] Title:On the rotational invariance and hyperbolicity of shallow water moment equations in two dimensions View a PDF of the paper titled On the rotational invariance and hyperbolicity of shallow water moment equations in two dimensions, by Matthew Bauerle and 3 other authors View PDF HTML (experimental) Abstract:In this paper, we investigate the two-dimensional extension of a recently introduced set of shallow water...