SU2-NEMO : an open-source framework for high-mach nonequilibrium multi-species flows

Maier, Walter T. and Needels, Jacob T. and Garbacz, Catarina and Morgado, Fábio and Alonso, Juan J. and Fossati, Marco (2021) SU2-NEMO : an open-source framework for high-mach nonequilibrium multi-species flows. Aerospace, 8 (7). 193. ISSN 2226-4310 (https://doi.org/10.3390/aerospace8070193)

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Abstract

SU2-NEMO, a recent extension of the open-source SU2 multiphysics suite's set of physical models and code architecture, is presented with the aim of introducing its enhanced capabilities in addressing high-enthalpy and high-Mach number flows. This paper discusses the thermal nonequilibrium and finite-rate chemistry models adopted, including a link to the Mutation++ physio-chemical library. Further, the paper discusses how the software architecture has been designed to ensure modularity, incorporating the ability to introduce additional models in an efficient manner. A review of the numerical formulation and the discretization schemes utilized for the convective fluxes is also presented. Several test cases in two- and three-dimensions are examined for validation purposes and to illustrate the performance of the solver in addressing complex nonequilibrium flows

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