1. A. Dwivedi. Global input-output analysis of flow instabilities in high-speed compressible flows. PhD thesis, University of Minnesota, 2020. Keyword(s): Adjoint equations, Base-flow sensitivity, Compressible flows, Compression ramp flow, Direct numerical simulations, Energy amplification, Flow modeling and control, Global stability analysis, Hypersonic flows, Input-output analysis, Shock Boundary layer interaction, Reattachment vortices, Transient growth, Transition to turbulence. [bibtex-entry]

1. A. Dwivedi, G. S. Sidharth, and M. R. Jovanovic. Oblique transition in hypersonic double-wedge flow. J. Fluid Mech., 948:A37, October 2022. Keyword(s): Compressible flows, Direct numerical simulations, Double-wedge flow, Flow modeling and control, Hypersonic flows, Input-output analysis, Oblique waves, Shock boundary layer interaction, Reattachment vortices, Transition to turbulence, Weakly nonlinear analysis. [bibtex-entry]



2. A. Dwivedi, G. S. Sidharth, J. W. Nichols, G. V. Candler, and M. R. Jovanovic. Reattachment vortices in hypersonic compression ramp flow: an input-output analysis. J. Fluid Mech., 880:113-135, December 2019. Keyword(s): Compressible flows, Compression ramp flow, Flow modeling and control, Hypersonic flows, Input-Output analysis, Shock Boundary layer interaction, Reattachment vortices, Transition to turbulence. [bibtex-entry]

1. A. Dwivedi and M. R. Jovanovic. A weakly nonlinear analysis of transition in a hypersonic flow. In Proceedings of the 2022 American Control Conference, Atlanta, GA, pages 4171-4176, 2022. Keyword(s): Compressible flows, Direct numerical simulations, Double-wedge flow, Flow modeling and control, Hypersonic flows, Input-output analysis, Shock boundary layer interaction, Reattachment vortices, Transition to turbulence, Weakly nonlinear analysis. [bibtex-entry]



2. A. Dwivedi, G. V. Candler, and M. R. Jovanovic. A frequency domain analysis of compressible linearized Navier-Stokes equations in a hypersonic compression ramp flow. In Proceedings of the 2020 American Control Conference, Denver, CO, pages 4325-4330, 2020. Keyword(s): Compressible flows, Compression ramp flow, Flow modeling and control, Hypersonic flows, Input-Output analysis, Shock Boundary layer interaction, Reattachment vortices, Transition to turbulence. [bibtex-entry]

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