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physics.flu-dyn2023
Stable, entropy-consistent, and localized artificial-diffusivity method for capturing discontinuities
Suhas S. Jain, Rahul Agrawal, Parviz Moin
In this work, a localized artificial-viscosity/diffusivity method is proposed for accurately capturing discontinuities in compressible flows. There have been numerous efforts to im…
physics.flu-dyn2023
Wall modeled large-eddy simulations of flow over the Sandia Axisymmetric Transonic Bump
Rahul Agrawal, Ahmed Elnahhas, Parviz Moin
Wall-modeled large-eddy simulations (WMLES) are conducted for the flow over the Sandia Axisymmetric Transonic Bump (ATB) at bump chord Reynolds number, Re = 1x10^6 and Mach number,…
physics.flu-dyn2019★ 19 cited
Turbulent cascade, bottleneck and thermalized spectrum in hyperviscous flows
Rahul Agrawal, Alexandros Alexakis, Marc E. Brachet +1
In many simulations of turbulent flows the viscous forces are replaced by a hyper-viscous term in order to suppress the effect of v…