Accelerated Finite-Volume Calculation of Transonic Potential Flows
A fully-conservative finite-volume algorithm is applied to the calculation of transonic potential flows past isolated airfoils and through two-dimensional channels. The difference equations are solved by a multi-grid technique which uses an alternating-direction-implicit method as a smoothing algorithm. The finite-volume formulation provides a very powerful framework within which to treat flows past complicated geometries, while the multi-grid/alternating-direction scheme provides rapid convergence of the solution to very small residuals. Results of calculations using the algorithm are presented for the isolated airfoil and transonic channel test cases provided by the Symposium organizers.
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