Print Email Facebook Twitter A Surrogate Model for Vortex Generator Flows Title A Surrogate Model for Vortex Generator Flows Author Dierickx, Jan (TU Delft Aerospace Engineering) Contributor Hulshoff, Steven (mentor) Degree granting institution Delft University of Technology Programme Aerospace Engineering Date 2019-07-25 Abstract A surrogate model for vortex generator flows has been created. This was done by developing a framework to generate a reduced order approximation of a discrete optimized source-term on a uniform grid. The discrete optimized source term uses the flow field of a vortex generator simulation with a body-fitted mesh (BFM) as objective. The reduced order approximation yields very similar results to the optimized solution and shows that it can be used to train the surrogate model. The surrogate model was trained by varying the inflow angle and Reynolds number in 24 training simulations. The shape factor, velocity profile and circulation downstream of the vortex generator are better in the proposed surrogate model than in the jBAY model, showing that the surrogate model is more accurate. Additionally, unlike the jBAY model, this new surrogate model is independent of the mesh refinement. Subject AerodynamicsVortex Generator ModelingComputational Fluid DynamicsOpenFOAM To reference this document use: http://resolver.tudelft.nl/uuid:9038710f-b6bd-4b04-8fd5-962a51b49166 Part of collection Student theses Document type master thesis Rights © 2019 Jan Dierickx Files PDF SurrogateModelForVortexGe ... rFlows.pdf 16.55 MB Close viewer /islandora/object/uuid:9038710f-b6bd-4b04-8fd5-962a51b49166/datastream/OBJ/view