123 citations · 422 across the 16 of their papers we have counts for
17 papers
HiLiftAeroML: A High-Fidelity Computational Fluid Dynamics Dataset for High-Lift Aircraft Aerodynamics
Neil Ashton, Adam Clark, Liam Heidt +13
HiLiftAeroML is, to our knowledge, the first open high-fidelity computational fluid dynamics dataset dedicated to high-lift aircraft aerodynamics. It contains 1,800 simulations spa…
LES of Droplet Impingement: Application to Clean and Laser-Scanned Ice Shapes
Federico Zabaleta, Brett Bornhoft, Suhas S. Jain +2
The prediction of aircraft icing is conventionally performed using multishot simulation frameworks that fail to predict the progressive roughening of the ice surface. To understand…
Predictions of flow distortions inside a serpentine diffuser from large-eddy simulations
Rahul Agrawal, Chad Winkler, Sanjeeb Bose +1
This work examines the flow separation and the resulting pressure distortions at the exit plane of a serpentine diffuser operating at both subsonic and transonic conditions. Wallmo…
Large eddy simulations of conjugate heat transfer in boundary layers over laser-scanned ice roughness
Federico Zabaleta, Brett Bornhoft, Suhas S. Jain +2
Accurate modeling of ice accretion is important for safe and efficient design of aircraft and wind turbine systems. Heat transfer predictions obtained from fluid flow solvers are u…
Non-equilibrium wall model for large eddy simulations of complex flows exhibiting turbulent smooth body separation
Rahul Agrawal, Sanjeeb T. Bose, Parviz Moin
In this work, a non-equilibrium wall model is proposed for the prediction of turbulent flows experiencing adverse pressure gradients, including separated flow regimes. The mean-flo…
Studies of Transonic Aircraft Flows and Prediction of Initial Buffet Onset Using Large-Eddy Simulations
Konrad A. Goc, Rahul Agrawal, Sanjeeb T. Bose +1
This article utilizes the Large-Eddy Simulation (LES) paradigm with a physics-based turbulence modeling approach, including a dynamic subgrid-scale model and an equilibrium wall mo…
Reynolds number dependence of length scales governing turbulent flow separation with application to wall-modeled large-eddy simulations
Rahul Agrawal, Sanjeeb Bose, Parviz Moin
This article proposes a Reynolds number scaling of the required grid points to perform wall-modeled LES of turbulent flows encountering separation off a solid surface. Based on com…
An extension of Thwaites method for turbulent boundary layers
Rahul Agrawal, Sanjeeb T. Bose, Kevin P. Griffin +1
Thwaites (1949) developed an approximate method for determining the evolution of laminar boundary layers. The approximation follows from an assumption that the growth of a laminar…
Large-eddy simulations of the NACA23012 airfoil with laser-scanned ice shapes
Brett Bornhoft, Suhas S. Jain, Konrad Goc +2
In this study, five ice shapes generated at NASA Glenn's Icing Research Tunnel (IRT) are simulated at multiple angles of attack (Broeren et al., J. of Aircraft, 2018). These geomet…
Non-Boussinesq subgrid-scale model with dynamic tensorial coefficients
Rahul Agrawal, Michael P. Whitmore, Kevin P. Griffin +2
A major drawback of Boussinesq-type subgrid-scale stress models used in large-eddy simulations is the inherent assumption of alignment between large-scale strain rates and filtered…
Performance of wall-modeled LES with boundary-layer-conforming grids for external aerodynamics
Adrián Lozano-Durán, Sanjeeb T. Bose, Parviz Moin
We investigate the error scaling and computational cost of wall-modeled large-eddy simulation (WMLES) for external aerodynamic applications. The NASA Juncture Flow is used as repre…
Performance of wall-modeled LES for external aerodynamics in the NASA Juncture Flow
Adrián Lozano-Durán, Sanjeeb T. Bose, Parviz Moin
We investigate the performance of wall-modeled LES for external aerodynamics in the NASA Juncture Flow. We characterize the errors in the prediction of mean velocity profiles and p…
Shock-induced heating and transition to turbulence in a hypersonic boundary layer
Lin Fu, Michael Karp, Sanjeeb T. Bose +2
The interaction between an incident shock wave and a Mach-6 undisturbed hypersonic laminar boundary layer over a cold wall is addressed using direct numerical simulations (DNS) and…
Prediction of aerothermal characteristics of a generic hypersonic inlet flow
Lin Fu, Sanjeeb Bose, Parviz Moin
The accurate prediction of aerothermal surface loading is of paramount importance for the design of high speed flight vehicles. In this work, we consider the numerical solution of…
Dynamic slip wall model for large-eddy simulation
H. Jane Bae, Adrián Lozano-Durán, Sanjeeb T. Bose +1
Wall modelling in large-eddy simulation (LES) is necessary to overcome the prohibitive near-wall resolution requirements in high-Reynolds-number turbulent flows. Most existing wall…
Toward real-time high-fidelity simulation using integral boundary layer modeling
Alexandre Marques, Qiqi Wang, Johan Larsson +2
One of the greatest challenges to using large-eddy simulations (LES) in engineering applications is the large number of grid points required near walls. To mitigate this issue, res…
An algorithm to estimate unsteady and quasi-steady pressure fields from velocity field measurements
John O. Dabiri, Sanjeeb Bose, Brad J. Gemmell +2
We describe and characterize a method for estimating the pressure field corresponding to velocity field measurements, such as those obtained by using particle image velocimetry. Th…