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Publications about 'Spatiotemporal frequency responses'


G. Hariharan.
Transition to elastic turbulence in channel flows.
PhD thesis,
University of Minnesota,
2020.
Keyword(s): Distributed systems theory,
Computational tools for spatially distributed systems,
Flow modeling and control,
Viscoelastic fluids,
Inputoutput analysis,
Elastic turbulence,
Transition to turbulence,
Uncertainty quantification in PDEs,
Spatiotemporal impulse responses,
Spatiotemporal frequency responses,
Spectral integration method.
[bibtexentry]

W. Ran.
Modeling and analysis of parallel and spatiallyevolving wallbounded shear flows.
PhD thesis,
University of Southern California,
2020.
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Drag reduction,
Energy amplification,
Floquet theory,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Parabolized Floquet equations,
Parabolized stability equations,
Riblets,
Sensorfree flow control,
Spatiallyevolving flows,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Transition to turbulence,
Turbulence modeling.
[bibtexentry]

H. A. Castillo,
M. R. Jovanovic,
S. Kumar,
A. Morozov,
V. Shankar,
G. Subramanian,
and H. J. Wilson.
Understanding viscoelastic flow instabilities: OldroydB and beyond.
J. NonNewtonian Fluid Mech.,
302:104742 (39 pages),
April 2022.
Note: Part of the special issue commemorating the birth centenary of James Oldroyd.
Keyword(s): Flow modeling and control,
Inputoutput analysis,
Elastic turbulence,
Energy amplification,
Transition to turbulence,
Uncertainty quantification in PDEs,
Spatiotemporal frequency responses,
Viscoelastic fluids,
Viscoelastic instabilities.
[bibtexentry]

G. Hariharan,
S. Kumar,
and M. R. Jovanovic.
Wellconditioned ultraspherical and spectral integration methods for resolvent analysis of channel flows of Newtonian and viscoelastic fluids.
J. Comput. Phys.,
439:110241 (25 pages),
August 2021.
Keyword(s): Distributed systems theory,
Computational tools for spatially distributed systems,
Flow modeling and control,
Inputoutput analysis,
Spatiotemporal frequency responses,
Spectral integration method,
Uncertainty quantification in PDEs.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Modelbased design of riblets for turbulent drag reduction.
J. Fluid Mech.,
906:A7 (38 pages),
January 2021.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Frequencyresponse analysis of riblets for turbulent drag reduction.
In Proceedings of the 24th International Symposium on Mathematical Theory of Network and Systems,
Cambridge, UK,
2020.
Note: Submitted.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Drag reduction in turbulent channel flow over spatially periodic surfaces.
In Proceedings of the 58th IEEE Conference on Decision and Control,
Nice, France,
pages 59185923,
2019.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]
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