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Aerodynamics of engine-airframe interaction (1989)

Caughey, David A.

In: CASI

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Publication Date: 2019-07-13

Description: The development of the variational approach for the solution of inviscid aerodynamic problems using solution adaptive grids is discussed. The formulation of a new, directional weighting, functional has been shown to have desirable properties. The scheme has been applied to compute the transonic flow past two-dimensional airfoils using the Euler equations of inviscid, compressible flow. Transonic flows in quasi-one-dimensional nozzles and over the two dimensional airfoils are solved on the various solution-adaptive-grids to demonstrate the applicability of the proposed directional-concentration functional and the grid adaptation process from the stand point of improving the solution accuracy and demonstrating the overall convergence.

Keywords: AERODYNAMICS

Type: NASA-CR-184824 , NAS 1.26:184824

Format: application/pdf

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