Direct Numerical Simulation (DNS)
Direct numerical simulation of bubble/wall and droplet/droplet collision with a motifation for lubrication
... Luckily more and more accurate and efficient schemes are made to solve these flows. We will use a volume of fluid method to solve a one particle bubble flow, and a two droplet flow. Extra challenges can be present in two ...
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The effect of compressibility on turbulent shear flow: a rapid distortion theory and direct numerical simulation study
... and numerical (Sandham & Reynolds 1991; Vreman, Sandham & Luo 1996) studies of mixing layers, and has been demonstrated by direct numerical simulation (DNS) of compressible homogeneous ...
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Direct numerical simulation of a turbulent flow over an axisymmetric hill
... on direct numerical simulation (DNS) of the hill flow, primarily due to the fact that a high Reynolds number DNS requires huge amount of computer resources that is difficult to meet even with the ...
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Direct numerical simulation of supersonic turbulent flow in an expansion compression corner at mach=2 9
... of numerical simulations and experimental measurements and found that Reynolds-Averaged Navier– Stokes (RANS) method with different turbulence models could not accurately predict the flow field, including the ...
11
Direct numerical simulation of the passive heat transfer in a turbulent flow with particle
... In understanding particle-turbulence interactions, Direct Numerical Simulation (DNS) and Large Eddy Simulation (LES) plays an important role [8-10]. In the case of flows laden with a large ...
6
Investigation of low dissipation monotonicity preserving scheme for direct numerical simulation of compressible turbulent flows
... [54] Bookey P, Wyckham C, Smits A. New Experimental Data of STBLI at DNS/LES Accessible Reynolds Numbers. 43rd AIAA Aerospace Sciences Meeting and Exhibit. Reno, Nevada: AIAA Paper 2005-309; 2005. [55] Wu X, Moin P. ...
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Direct numerical simulation of the flow around an aerofoil in ramp-up motion
... and numerical studies have contributed in elucidating the main physical mechanism that comes into play on the flow behaviour when the angle of attack undergoes a dynamic change, to our knowledge the only high ...
18
MicroHH 1.0: a computational fluid dynamics code for direct numerical simulation and large-eddy simulation of atmospheric boundary layer flows
... the simulation of turbulent flows in doubly periodic domains, with a focus on those in the ...the direct numerical simulation (DNS) technique but also sup- ports the large-eddy ...
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Direct numerical simulation of an aerofoil at high angle of attack and its control
... and numerical studies have contributed in elu- cidating the main physical mechanism that come into play on the flow behaviour when the angle of attack undergoes a dynamic change, to our knowledge the only high ...
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Direct numerical simulation of supersonic turbulent flows around a tandem expansion compression corner
... combining numerical simulations and experimental ...high-fidelity numerical methods such as direct numerical simulation (DNS) and large-eddy simulation (LES) would be necessary ...
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Direct Numerical Simulation of a Jet Issuing from Rectangular Nozzle by the Vortex in Cell Method
... Direct numerical simulation of a jet issuing from a nozzle having a rectangular cross-section is conducted. The vortex in cell (VIC) method, of which computational accuracy was heightened by the ...
10
Direct numerical simulation of pressure fluctuations induced by supersonic turbulent boundary layers
... a direct numerical simulation database of high-speed zero-pressure-gradient turbulent boundary layers developing spatially over a flat plate with nominal freestream Mach number ranging from ...of ...
164
Direct Numerical Simulation of the turbulent flow around a NACA 0012 airfoil at different angles of attack
... as direct numerical simulation (DNS) and the development of modelling techniques such as Large-Eddy Simulation (LES) ...the simulation of transitional flows in complex geometries, but ...
5
Direct numerical simulation of turbulent trailing edge flow with base flow control
... accurate simulation using the conventional Reynolds-averaged Navier – Stokes approach because of the complexity of the ...computedusing direct numerical simulation ...
9
Study on Direct Numerical Simulation of Two dimensional Turbulence
... Direct numerical simulation (DNS) is an effective method to study ...complex numerical methods and the huge computational resources that required are daunting in 3D direct ...
5
Direct Numerical Simulation of Premixed Flame Kernel Ignition of Hydrogen-Air Mixtures under Turbulent Conditions.
... The role of turbulence conditions on the initial and subsequent stages of premixed flame kernel formation during the ignition of hydrogen-air mixtures is studied using Direct Numerical Simulation ...
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outflow Boundary Codition Issues in Direct Numerical Simulation of Three- Dimensional Plane Wake Flow
... work direct numerical simulation of three dimensional spatially{developing plane wake ow is performed to solve momentum and mass conservation ...
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Experimentation and direct numerical simulation of self-similar convergent detonation wave
... We calibrated a model for the compositions X1 and T2 based on the wide range EOS/rate law model proposed by Wescott et al. [3]. The reactive equation of state is the ideal mixture of an unburnt phase (which reproduces ...
6
Direct numerical simulation of 'short' laminar separation bubbles with turbulent reattachment
... Direct numerical simulation of the incompressible Navier–Stokes equations is used to study flows where laminar boundary-layer separation is followed by turbulent reattachment forming a closed region ...
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Direct numerical simulation of intermittent turbulence under stably stratified conditions
... Abstract. In this paper, we simulate intermittent turbulence (also known as bursting events) in stably stratified open- channel flows using direct numerical simulation. Clear sig- natures of this ...
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