Search Results - "Ananthan, Shreyas"

A large-scale analysis of bioinformatics code on GitHub by Russell, Pamela H, Johnson, Rachel L, Ananthan, Shreyas, Harnke, Benjamin, Carlson, Nichole E

“…In recent years, the explosion of genomic data and bioinformatic tools has been accompanied by a growing conversation around reproducibility of results and…”
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Numerical investigation of wind turbine wakes under high thrust coefficient by Martínez‐Tossas, Luis A, Branlard, Emmanuel, Shaler, Kelsey, Vijayakumar, Ganesh, Ananthan, Shreyas, Sakievich, Philip, Jonkman, Jason

“…We study wind turbine wakes of rotors operating at high thrust coefficients (CT > 24/25) using large‐eddy simulations with a rotating actuator disk model. Wind…”
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ExaWind: Open‐source CFD for hybrid‐RANS/LES geometry‐resolved wind turbine simulations in atmospheric flows by Sharma, Ashesh, Brazell, Michael J., Vijayakumar, Ganesh, Ananthan, Shreyas, Cheung, Lawrence, deVelder, Nathaniel, Henry de Frahan, Marc T., Matula, Neil, Mullowney, Paul, Rood, Jon, Sakievich, Philip, Almgren, Ann, Crozier, Paul S., Sprague, Michael

“…Predictive high‐fidelity modeling of wind turbines with computational fluid dynamics, wherein turbine geometry is resolved in an atmospheric boundary layer, is…”
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MADE3D: Enabling the next generation of high-torque density wind generators by additive design and 3D printing by Sethuraman, Latha, Vijayakumar, Ganesh, Ananthan, Shreyas, Paranthaman, M. Parans, Keller, Jonathan, King, Ryan

“…Direct-drive wind turbine generators are increasing in popularity, thanks to recent project developments—especially offshore, where reliability and efficiency…”
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Direct numerical simulations of turbulent flow over misaligned traveling waves by Deskos, Georgios, Ananthan, Shreyas, Sprague, Michael A.

“…Direct numerical simulations of turbulent flow over prescribed traveling waves in a half-channel flow setup subject to a combined streamwise and spanwise…”
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Overset meshes for incompressible flows: On preserving accuracy of underlying discretizations by Sharma, Ashesh, Ananthan, Shreyas, Sitaraman, Jayanarayanan, Thomas, Stephen, Sprague, Michael A.

“…This study on overset meshes for incompressible-flow simulations is motivated by accurate prediction of wind farm aerodynamics involving large motions and…”
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Low synchronization Gram–Schmidt and generalized minimal residual algorithms by Świrydowicz, Katarzyna, Langou, Julien, Ananthan, Shreyas, Yang, Ulrike, Thomas, Stephen

“…Summary The Gram–Schmidt process uses orthogonal projection to construct the A = QR factorization of a matrix. When Q has linearly independent columns, the…”
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Overset meshes for incompressible flows: On preserving accuracy of underlying discretizations by Sharma, Ashesh ashesh.sharma@nrel.gov, Ananthan, Shreyas, Sitaraman, Jayanarayanan, Thomas, Stephen, Sprague, Michael A.

“…This study on overset meshes for incompressible-flow simulations is motivated by accurate prediction of wind farm aerodynamics involving large motions and…”
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Low synchronization Gram–Schmidt and generalized minimal residual algorithms by Swirydowicz, Katarzyna, Langou, Julien, Ananthan, Shreyas, Yang, Ulrike, Thomas, Stephen

“…The Gram–Schmidt process uses orthogonal projection to construct the A = QR factorization of a matrix. When Q has linearly independent columns, the operator P…”
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Numerical investigation of wind turbine wakes under high thrust coefficient by Martínez‐Tossas, Luis A., Branlard, Emmanuel, Shaler, Kelsey, Vijayakumar, Ganesh, Ananthan, Shreyas, Sakievich, Philip, Jonkman, Jason

“…We study wind turbine wakes of rotors operating at high thrust coefficients (CT > 24/25) using large-eddy simulations with a rotating actuator disk model. Wind…”
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Field test of wake steering at an offshore wind farm by Fleming, Paul, Annoni, Jennifer, Shah, Jigar J, Wang, Linpeng, Ananthan, Shreyas, Zhang, Zhijun, Hutchings, Kyle, Wang, Peng, Chen, Weiguo, Chen, Lin

“…In this paper, a field test of wake-steering control is presented. The field test is the result of a collaboration between the National Renewable Energy…”
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Cover Image by Sharma, Ashesh, Brazell, Michael J., Vijayakumar, Ganesh, Ananthan, Shreyas, Cheung, Lawrence, deVelder, Nathaniel, Henry de Frahan, Marc T., Matula, Neil, Mullowney, Paul, Rood, Jon, Sakievich, Philip, Almgren, Ann, Crozier, Paul S., Sprague, Michael

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Cover Image by Sharma, Ashesh, Brazell, Michael J., Vijayakumar, Ganesh, Ananthan, Shreyas, Cheung, Lawrence, deVelder, Nathaniel, Henry de Frahan, Marc T., Matula, Neil, Mullowney, Paul, Rood, Jon, Sakievich, Philip, Almgren, Ann, Crozier, Paul S., Sprague, Michael

“…The cover image is based on the Research Article ExaWind: Open‐source CFD for hybrid‐RANS/LES geometry‐resolved wind turbine simulations in atmospheric flows…”
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Cover Image by Sharma, Ashesh, Brazell, Michael J, Vijayakumar, Ganesh, Ananthan, Shreyas, Cheung, Lawrence, deVelder, Nathaniel, Marc T Henry de Frahan, Matula, Neil, Mullowney, Paul, Rood, Jon, Sakievich, Philip, Almgren, Ann, Crozier, Paul S, Sprague, Michael

“…The cover image is based on the Research Article ExaWind: Open‐source CFD for hybrid‐RANS/LES geometry‐resolved wind turbine simulations in atmospheric flows…”
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Grand challenges in the design, manufacture, and operation of future wind turbine systems by Veers, Paul, Bottasso, Carlo L, Lance, Manuel, Naughton, Jonathan, Pao, Lucy, Paquette, Joshua, Robertson, Amy, Robinson, Michael, Ananthan, Shreyas, Barlas, Thanasis, Bianchini, Alessandro, Bredmose, Henrik, Sergio González Horcas, Keller, Jonathan, Madsen, Helge Aagaard, Manwell, James, Moriarty, Patrick, Nolet, Stephen, Rinker, Jennifer

“…Wind energy is foundational for achieving 100 % renewable electricity production, and significant innovation is required as the grid expands and accommodates…”
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Local correlation-based transition models for high-Reynolds-number wind-turbine airfoils by Yong Su Jung, Vijayakumar, Ganesh, Ananthan, Shreyas, Baeder, James

“…Modern wind-turbine airfoil design requires robust performance predictions for varying thicknesses, shapes, and appropriate Reynolds numbers. The airfoils of…”
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Large-eddy simulation sensitivities to variations of configuration and forcing parameters in canonical boundary-layer flows for wind energy applications by Mirocha, Jeffrey D, Churchfield, Matthew J, Muñoz-Esparza, Domingo, Rai, Raj K, Feng, Yan, Kosović, Branko, Haupt, Sue Ellen, Brown, Barbara, Ennis, Brandon L, Draxl, Caroline, Javier Sanz Rodrigo, Shaw, William J, Berg, Larry K, Moriarty, Patrick J, Linn, Rodman R, Kotamarthi, Veerabhadra R, Balakrishnan, Ramesh, Cline, Joel W, Robinson, Michael C, Ananthan, Shreyas

“…The sensitivities of idealized large-eddy simulations (LESs) to variations of model configuration and forcing parameters on quantities of interest to wind…”
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Preparing an Incompressible-Flow Fluid Dynamics Code for Exascale-Class Wind Energy Simulations by Mullowney, Paul, Li, Ruipeng, Thomas, Stephen, Ananthan, Shreyas, Sharma, Ashesh, Rood, Jon S., Williams, Alan B., Sprague, Michael A.

“…The U.S. Department of Energy has identified exascale-class wind farm simulation as critical to wind energy scientific discovery. A primary objective of the…”
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Analysis of rotor wake aerodynamics during maneuvering flight using a free -vortex wake methodology by Ananthan, Shreyas

“…The problem of helicopter rotor wake aerodynamics during maneuvering flight conditions was analyzed using a time-accurate, free-vortex wake methodology. The…”
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Low synchronization GMRES algorithms by Swirydowicz, Kasia, Langou, Julien, Ananthan, Shreyas, Yang, Ulrike, Thomas, Stephen

“…Communication-avoiding and pipelined variants of Krylov solvers are critical for the scalability of linear system solvers on future exascale architectures. We…”
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