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Traditional IC engine combustion simulations involve CFD models that use a simplified chemistry
representation for fuel combustion. The chemistry in the models range from just a few molecular species
to ~50 species for Diesel fuel, for example. Alternative approaches use table-lookup strategies and progress variables to avoid the cost of direct computation of the chemistry-flow interactions. For conventional Diesel and Gasoline engines, these approaches have historically been good enough, because
the fluid-mixing effects dominated the kinetics effects in predicting engine performance. This whitepaper discusses a more efficient and effective CFD design flow for IC engines.