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Publications about 'Direct numerical simulations'
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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]
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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]
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A. Dwivedi,
N. Hildebrand,
J. W. Nichols,
G. V. Candler,
and M. R. Jovanovic.
Transient growth analysis of oblique shock wave/boundary-layer interactions at Mach 5.92.
Phys. Rev. Fluids,
5(6):063904 (20 pages),
June 2020.
Keyword(s): Adjoint equations,
Base-flow sensitivity,
Compressible flows,
Direct numerical simulations,
Energy amplification,
Global stability analysis,
Flow modeling and control,
Hypersonic flows,
Transient growth,
Transition to turbulence.
[bibtex-entry]
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N. Hildebrand,
A. Dwivedi,
J. W. Nichols,
M. R. Jovanovic,
and G. V. Candler.
Simulation and stability analysis of oblique shock wave/boundary layer interactions at Mach 5.92.
Phys. Rev. Fluids,
3(1):013906 (23 pages),
January 2018.
Keyword(s): Adjoint equations,
Base-flow sensitivity,
Compressible flows,
Direct numerical simulations,
Global stability analysis,
Flow modeling and control,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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B. K. Lieu,
R. Moarref,
and M. R. Jovanovic.
Controlling the onset of turbulence by streamwise traveling waves. Part 2: Direct numerical simulations.
J. Fluid Mech.,
663:100-119,
November 2010.
Keyword(s): Controlling the onset of turbulence,
Direct numerical simulations,
Energy amplification,
Flow modeling and control,
Input-output analysis,
Navier-Stokes equations,
Parametric resonance,
Relaminarization,
Spatially-periodic systems,
Traveling waves,
Turbulent flows,
Vibrational control.
[bibtex-entry]
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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]
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N. Hildebrand,
A. Dwivedi,
G. S. Sidharth,
J. W. Nichols,
M. R. Jovanovic,
and G. V. Candler.
Instabilities in laminar shock boundary layer interactions.
In Proceedings of the 2019 IUTAM Symposium on Laminar-Turbulent Transition,
London, United Kingdom,
2019.
Keyword(s): Adjoint equations,
Base-flow sensitivity,
Compressible flows,
Direct numerical simulations,
Global stability analysis,
Flow modeling and control,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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A. Dwivedi,
J. W. Nichols,
M. R. Jovanovic,
and G. V. Candler.
Optimal spatial growth of streaks in oblique shock/boundary layer interaction.
In Proceedings of the 47th AIAA Fluid Dynamics Conference,
Denver, CO,
pages 4163 (17 pages),
2017.
Keyword(s): Compressible flows,
Direct numerical simulations,
Transient growth,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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N. Hildebrand,
A. Dwivedi,
J. W. Nichols,
G. V. Candler,
and M. R. Jovanovic.
Sensitivity analysis for the control of oblique shock wave/laminar boundary layer interactions at Mach $5.92$.
In Proceedings of the 47th AIAA Fluid Dynamics Conference,
Denver, CO,
pages 4312 (14 pages),
2017.
Keyword(s): Adjoint equations,
Base-flow sensitivity,
Compressible flows,
Direct numerical simulations,
Global stability analysis,
Flow modeling and control,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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P. Shrestha,
J. W. Nichols,
M. R. Jovanovic,
and G. V. Candler.
Study of trip-induced hypersonic boundary layer transition.
In Proceedings of the 47th AIAA Fluid Dynamics Conference,
Denver, CO,
pages 4513 (21 pages),
2017.
Keyword(s): Direct numerical simulations,
Dynamic mode decomposition,
Roughness elements,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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J. Jeun,
J. W. Nichols,
and M. R. Jovanovic.
Input-output analysis of heated axisymmetric turbulent jets.
In Proceedings of the 22nd AIAA/CEAS Aeroacoustics Conference,
Lyon, France,
pages 2934 (13 pages),
2016.
Keyword(s): Acoustics,
Direct numerical simulations,
Flow modeling and control,
Input-output analysis,
Jet noise.
[bibtex-entry]
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P. Shrestha,
A. Dwivedi,
N. Hildebrand,
J. W. Nichols,
M. R. Jovanovic,
and G. V. Candler.
Interaction of an oblique shock with a transitional Mach $5.65$ boundary layer.
In Proceedings of the 46th AIAA Fluid Dynamics Conference,
Washington, DC,
pages 3647 (14 pages),
2016.
Keyword(s): Compressible flows,
Direct numerical simulations,
Dynamic mode decomposition,
Flow modeling and control,
Hypersonic flows,
Transition to turbulence.
[bibtex-entry]
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B. K. Lieu,
R. Moarref,
and M. R. Jovanovic.
Preventing transition to turbulence using streamwise traveling waves: direct numerical simulations.
In Proceedings of the 2010 American Control Conference,
Baltimore, MD,
pages 3335-3340,
2010.
[bibtex-entry]
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