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P7: Numerical Simulation of Dynamic Stall

Author: Debojyoti Ghosh , Advisor: James Baeder (Department of Aerospace Engineering)


Problem Statement Presentation

Project Proposal

Abstract

A numerical algorithm will be developed to study the phenomena of dynamic stalling, which is frequently encountered in rotorcraft operations. The governing equations for this problem are the Navier Stokes equations, which describe the behavior of a viscous, compressible fluid. A finite volume algorithm is being proposed which will use a characteristic-based decoupling to be computed using central differencing of the required order. A time-marching algorithm is planned where the Runge-Kutta class of ODE solvers will be used for the evolution stage. The resulting algorithm is intended to be validated through various stages, beginning with simple benchmark problems involving inviscid flows to viscous, unsteady flows around airfoils.

MidYear Progress Report and Presentation

Final Presentation , Final Report