Aeroacoustics

Prediction of flow-induced noise has been one of the main driving forces behind the development of the G3D::Flow code framework. The European framework programme JEAN was a starting point for the computational aeroacoustics (CAA) activities at the Division of Fluid Dynamics and also a starting point for the development of codes for this purpose.

Rectangular Convergent-Divergent Nozzle

screech — Supersonic flow from a rectangular convergent-divergent nozzle visualized by density contours. Notice how distinct acoustic waves are generated by the interaction of vortical structures.

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