Search Results - "Visbal, Miguel"

Comparative study of implicit and subgrid-scale model large-eddy simulation techniques for low-Reynolds number airfoil applications by Garmann, Daniel J., Visbal, Miguel R., Orkwis, Paul D.

“…SUMMARYA computational study of a high‐fidelity, implicit large‐eddy simulation (ILES) technique with and without the use of the dynamic Smagorinsky…”
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Novel plasma actuator for mitigation of dynamic stall by Lilley, Alexander James, Roy, Subrata, Visbal, Miguel R

“…Abstract A novel plasma actuator, the Linear Counter-flow using a Point Embedded Electrode (LCPEE), is developed for the prevention of dynamic stall for a…”
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High-order CFD methods: current status and perspective by Wang, Z.J., Fidkowski, Krzysztof, Abgrall, Rémi, Bassi, Francesco, Caraeni, Doru, Cary, Andrew, Deconinck, Herman, Hartmann, Ralf, Hillewaert, Koen, Huynh, H.T., Kroll, Norbert, May, Georg, Persson, Per-Olof, van Leer, Bram, Visbal, Miguel

“…SUMMARYAfter several years of planning, the 1st International Workshop on High‐Order CFD Methods was successfully held in Nashville, Tennessee, on January 7–8,…”
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Passive control of dynamic stall using a flow-driven micro-cavity actuator by Visbal, Miguel R., Garmann, Daniel J.

“…A novel passive flow control strategy for the mitigation of transient separation and dynamic stall is demonstrated by means of high-fidelity large-eddy…”
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On the Use of Higher-Order Finite-Difference Schemes on Curvilinear and Deforming Meshes by Visbal, Miguel R, Gaitonde, Datta V

“…This study enables the use of very high-order finite-difference schemes for the solution of conservation laws on stretched, curvilinear, and deforming meshes…”
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High-fidelity simulations of moving and flexible airfoils at low Reynolds numbers by Visbal, Miguel R., Gordnier, Raymond E., Galbraith, Marshall C.

“…The present paper highlights results derived from the application of a high-fidelity simulation technique to the analysis of low-Reynolds-number transitional…”
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A high-order compact finite-difference scheme for large-eddy simulation of active flow control by Rizzetta, Donald P., Visbal, Miguel R., Morgan, Philip E.

“…The purpose of this article is to summarize a computational approach, which developed and matured over an extended period of time, and has been shown to be…”
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An implicit discontinuous Galerkin method for the unsteady compressible Navier–Stokes equations by Luo, Hong, Segawa, Hidehiro, Visbal, Miguel R.

“…► An implicit discontinuous Galerkin method is developed for the compressible Navier–Stokes equations. ► The resulting non-linear equations are solved using a…”
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On the challenges in experimental characterization of flow separation over airfoils at low Reynolds number by Olson, David A., Katz, Alan W., Naguib, Ahmed M., Koochesfahani, Manoochehr M., Rizzetta, Donald P., Visbal, Miguel R.

“…Measurements and computations of the separation and reattachment locations are reported for the steady flow over a SD7003 airfoil at different angles of attack…”
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Strategies for control of transitional and turbulent flows using plasma-based actuators by Visbal, Miguel R.

“…An exploratory numerical study of the control of transitional and turbulent separated flows by means of dielectric-barrier-discharge (DBD) actuators is…”
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Exploration of plasma-based control for low-Reynolds number airfoil/gust interaction by Rizzetta, Donald P., Visbal, Miguel R.

“…Large-eddy simulation (LES) is employed to investigate the use of plasma-based actuation for the control of a vortical gust interacting with a wing section at…”
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Viscous and inviscid interactions of an oblique shock with a flexible panel by Visbal, Miguel

“…The complex self-sustained oscillations arising from the interaction of an oblique shock with a flexible panel in both the inviscid and viscous regimes have…”
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On Flow-Acoustic Resonant Interactions in Transitional Airfoils by Golubev, Vladimir V., Nguyen, Lap, Mankbadi, Reda R., Roger, Michel, Visbal, Miguel R.

“…We discuss our recent experimental and preliminary numerical efforts examining resonant feedback mechanism of flow-acoustic interactions in airfoil…”
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High-order Compact Schemes for Nonlinear Dispersive Waves by Li, Jichun, Visbal, Miguel R.

“…High-order compact finite difference schemes coupled with high-order low-pass filter and the classical fourth-order Runge–Kutta scheme are applied to simulate…”
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Modeling MAV Response in Gusty Urban Environment by Golubev, Vladimir V., Visbal, Miguel R.

“…The article discusses an airfoil unsteady aerodynamic response to upstream unsteady flow disturbances in flow regimes characteristic of Micro Air Vehicle (MAV)…”
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On a mechanism of stabilizing turbulent free shear layers in cavity flows by Stanek, Michael J., Visbal, Miguel R., Rizzetta, Donald P., Rubin, Stanley G, Khosla, Prem K.

“…Turbulent free shear flows are subject to the well-known Kelvin–Helmholtz type [Panton RL. Incompressible flow. John Wiley and Sons; 1984. p. 675] instability,…”
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On the role of flow transition in laminar separation flutter by Barnes, Caleb J., Visbal, Miguel R.

“…This work explores self-sustained pitching oscillations of a NACA0012 airfoil operating at low-to-moderate Reynolds numbers in which the aerodynamic flow is in…”
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Transitional shock wave boundary layer interaction over a flexible panel by Shinde, Vilas, McNamara, Jack, Gaitonde, Datta, Barnes, Caleb, Visbal, Miguel

“…A three-dimensional transitional shock boundary layer interaction (SWBLI) over a finite-span flexible panel is investigated by performing direct numerical…”
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Stiffness effects on laminar separation flutter by Barnes, Caleb J., Visbal, Miguel R.

“…This work explores self-sustained pitching oscillations of a NACA0012 airfoil operating at low-to-moderate Reynolds numbers in which the aerodynamic flow is in…”
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Gust response of rigid and elastically mounted airfoils at a transitional Reynolds number by Barnes, Caleb J., Visbal, Miguel R.

“…This article explores the evolution of the unsteady flow structure for rigid and elastically mounted NACA0012 airfoils subject to a parallel vortical gust…”
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