Potential NASA Commercial Applications: The work proposed in this effort will advance the state-of-the-art of unstructured CFD technology not only for aeroacoustics problems but also in other areas such as high-lifting surfaces, airframe design and propulsion. The developed high-order and low dissipation unstructured CFD technology for noise source prediction can also be directly applied to several of NASA's multidisciplinary noise and vibration programs such as the prediction of noise mechanisms and propagation for engine, fan, duct, propellers, and airframes, and for the analysis of wake/frame interaction induced noise and vibrations. It can be used for the design of revolutionary aircraft with innovative configurations and technologies for minimum noise signature, and for the improvement of current aircraft noise performance.
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