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physics.flu-dyn2026
Numerical Bow Shock Instabilities in Inert Polyatomic Gases
G. S. Sidharth, Anubhav Dwivedi
We investigate inviscid numerical instabilities that arise in simulations of axisymmetric flow over a hypersonic sphere in an inert, calorically perfect gas at low specific heat ra…
physics.flu-dyn2018★ 124 cited
Reattachment streaks in hypersonic compression ramp flow: an input-output analysis
Anubhav Dwivedi, G. S. Sidharth, Joseph W. Nichols +2
We employ global input-output analysis to quantify amplification of exogenous disturbances in compressible boundary layer flows. Using the spatial structure of the dominant respons…