NASA NTRS · 20020070866
Gust Acoustics Computation with a Space-Time CE/SE Parallel 3D Solver
Abstract
The benchmark Problem 2 in Category 3 of the Third Computational Aero-Acoustics (CAA) Workshop is solved using the space-time conservation element and solution element (CE/SE) method. This problem concerns the unsteady response of an isolated finite-span swept flat-plate airfoil bounded by two parallel walls to an incident gust. The acoustic field generated by the interaction of the gust with the flat-plate airfoil is computed by solving the 3D (three-dimensional) Euler equations in the time domain using a parallel version of a 3D CE/SE solver. The effect of the gust orientation on the far-field directivity is studied. Numerical solutions are presented and compared with analytical solutions, showing a reasonable agreement.
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Wang, X. Y., Himansu, A., Chang, S. C., Jorgenson, P. C. E., Reddy, D. R.. 2002-01-01. Gust Acoustics Computation with a Space-Time CE/SE Parallel 3D Solver. https://ntrs.nasa.gov/citations/20020070866
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