Surrogate Modelling of a Generic Three-Ramp Scramjet Intake

Laurie Brown

Abstract


The aim of this research is to develop a fast and accurate tool to predict hypersonic flow characteristics with minimal CFD computation, which we know to be expensive. There have been methods such as Proper Orthogonal Decomposition (POD) which have been successfully used to form lower dimensional models for subsonic applications in the past [1]. However, application of such methods to flows with highly nonlinear characteristics (as found with scramjet intakes with shockwaves present) introduces significant barriers that, to date, have not been successfully overcome to a practicable level for a hypersonic flow regime.

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