I am trying to model the mixing of methane and air. Since they are both gases, I am having trouble getting the mixing to work. I would use two-phase flow, level set if this was a liquid-gas interface, however, I am stuck since my simulation involves two gases. My short-term goal is to model the Kevlin-Helmholtz instability. After that, I need to model the combustion of methane/air. Does anyone have any suggestions?
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