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physics.flu-dyn2026
Mach-disk formation and shock-structure transitions in underexpanded coflowing jets
Ganesh Dhungana, Srijan Satyal, Nek Sharan
The near-field shock structures of underexpanded sonic jets exiting into a subsonic coflow are investigated over a range of nozzle pressure ratio (NPR) and coflow-to-nozzle-exit ve…
physics.flu-dyn2026
Curvilinear Moving Overset Method for High-order Non-dissipative Schemes
Minhazul Islam, Nek Sharan
This paper presents a non-dissipative, high-order, moving overset method for curvilinear grids to simulate unsteady compressible flows in complex geometries with moving components.…