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

Walter T. Maier, Jacob T. Needels, Catarina Garbacz, Fábio Morgado, Juan J. Alonso, Marco Fossati

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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
Original languageEnglish
Article number193
Number of pages29
JournalAerospace
Volume8
Issue number7
DOIs
Publication statusPublished - 16 Jul 2021

Keywords

  • nonequilibrium flows
  • high-temperature effects
  • aerothermodynamics
  • hypersonic flight
  • computational fluid dynamics

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