Abstract
For the Boltzmann equation, we present a hybrid Monte Carlo method that is robust in the fluid dynamic limit. The method is based on representing the solution as a convex combination of a non-equilibrium particle distribution and a Maxwellian. The hybrid distribution is then evolved by Monte Carlo with an unconditionally stable and asymptotic preserving time discretization. Some computational simulations of spatially homogeneous problems are presented here and extensions to spatially non homogeneous situations discussed.
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Caflisch, R.E., Pareschi, L. (2004). Towards a Hybrid Monte Carlo Method for Rarefied Gas Dynamics. In: Abdallah, N.B., et al. Transport in Transition Regimes. The IMA Volumes in Mathematics and its Applications, vol 135. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-0017-5_3
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DOI: https://doi.org/10.1007/978-1-4613-0017-5_3
Publisher Name: Springer, New York, NY
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