Analysis of Moment Closures Using $\phi$-Divergences for Rarefied Dynamics with Binary Collisions and Their Galerkin Discretizations

Michael R. A. Abdelmalik, Irene M. Gamba, Torsten Kessler +1

This work introduces a robust deterministic framework for approximating solutions of the Boltzmann equation with binary collisions by discretizing their dependence on time, positio…