[PDF] Top 20 On the use of time-dependent filters for large-eddy simulation
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UDNS or LES, That Is the Question
... by large eddy simulation (LES), under-resolved (UDNS) and fully resolved direct numerical simulation ...the use of UDNS and calls for improvement of the available ... See full document
14
Wall-Resolved Large Eddy Simulation over NACA0012 Airfoil
... the use of a high-order method due to the high computational cost involved, and also requires low numerica l dispersion and dissipation[9], therefore a wall-resolved NLES approachas imple mented in a structured ... See full document
14
Large Eddy Simulation of Pseudo Shock Waves Using Wall Model
... gated extensively in various institutions. However, according to the recent research reviews [1] [2], there yet remain a lot of technical issues that must be resolved before putting them into practical use. One of ... See full document
14
Large eddy simulation of turbulent flow over a rough surface
... if not, we have to use some similarity relations (Stull, 1993) for neutral ABL flow. Although the wall model described above has successfully improved predictions of the enhancement of vertical mixing in the near ... See full document
29
Large eddy simulation of molecular mixing in a recirculating shear flow
... the use of the adaptive mesh refinement capability of the present computational framework, such simulations are not out of reach of the current computational ...layer simulation employing the ... See full document
105
Large-eddy simulation of two-dimensional dunes in a steady, unidirectional flow
... Dunes are known to reach a periodic equilibrium shape [30, 52] in the case of steady unidirectional flows, with a wavelength equal to 5 or 6 times the flow depth, and height 230 equal to 1/4 of the flow depth. For this ... See full document
32
Large-eddy simulation of dust-uplift by a haboob density current
... Items deposited in White Rose Research Online are protected by copyright, with all rights reserved unless indicated otherwise. They may be downloaded and/or printed for private study, or other acts as permitted by ... See full document
32
Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers
... classical Large Eddy Simulation (LES) methods are more efficient, but necessitate the use of a low-pass filtering operation that produces sub-grid scale terms requiring additional modeling, ... See full document
33
Large Eddy Simulation of Planar Free Jet Flow Using the Space Time Conservation Element/Solution Element Scheme
... Integrated Large Eddy Simulation (MILES) [7] is used in this study, in which the numerical dissipation is used to mimic the turbulent dissipation without use of SGS ... See full document
5
Large-eddy simulation of neutral atmospheric surface layer flow over heterogeneous tree canopies
... important large-scale structures of the ...resolved large scales is non negligible and is then accounted for by using a sub-grid-scale stress ...The use of an implicit filter can cause problems with ... See full document
18
Large Eddy Simulation of Flow Separation and Control on a Wall Mounted Hump
... Much of the recent research on flow control has been focused on synthetic jets [2]. Synthetic jets are zero-net mass flux oscillatory control devices that are operated with lower power requirements than traditional ... See full document
107
Large eddy simulation of transonic turbulent flow over a bump
... for time- dependent inflow conditions was ...full simulation of transition from laminar flow. The bump simulation was carried out with LES in a Reynolds-number regime above that where ... See full document
12
Large Eddy Simulation of High-Speed Premixed Turbulent Combustion.
... implicit time integration method was presented in Chapter 4, and was exclusively used for all of the calculations presented in Chapters 6 and 7, ...run time) of the approach scales approximately linearly ... See full document
201
Large eddy simulation of microbubble transport in a turbulent horizontal channel flow
... or simulation, and the dispersed gas phase is treated in a Lagrangian reference frame with the individual bubbles in the system tracked by solving Newton’s second law, whilst accounting for the forces acting on ... See full document
37
Large-eddy Simulation of Turbulent Boundary Layers with Spatially Varying Roughness
... The method offering the highest fidelity (subject to appropriate understanding and application of numerical stability issues, order of accuracy of differential equation solvers, and mesh-design) in computational results ... See full document
132
Download Download PDF
... The effects of triplen harmonics in the Electricity Company of Ghana (ECG) distribution system was researched into in [15]. The performance of three harmonic suppressors in the control of harmonic emission levels in ... See full document
5
Large Eddy Simulation of Deposition of Anisotropic Particles in a Turbulent Channel Flow
... Most of the early numerical modelling of parti- cle deposition in a boundary layer flow adopted the Eulerian-Lagrangian framework using either commercial computational fluid dynamic (CFD) approaches, or alternative ... See full document
9
CFD Simulation of Impinging Jet Flows and Boiling Heat Transfer
... Numerical simulation of a round jet impinging on a flat surface using Reynolds-Averaged Navier-Stokes (RANS) turbulence models have been the subject of considerable research, forming part of the 2nd ERCOFTAC-IAHR ... See full document
163
Large Eddy Simulation of the internal injector flow during pilot injection
... density is expressed with 𝑁, while the characteristic bubble dimension and dynamic are represented by an average radius, 𝑅, and its time derivate, 𝑅̇. Local pressure values below the vapor pressure leads the ... See full document
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