Direct numerical simulation
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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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
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 ...
25
Investigation of low dissipation monotonicity preserving scheme for direct numerical simulation of compressible turbulent flows
... F. Direct numerical simulation of transonic shock/boundary layer interaction under conditions of incipient ...F. Direct numerical simulation of impinging shock wave/turbulent ...
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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
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
The effect of compressibility on turbulent shear flow: a rapid distortion theory and direct numerical simulation study
... and direct-numerical-simulation (DNS) studies; in order to generalize the previous analyses, the quasi-isentropic compressible RDT equations are numerically solved for homogeneous turbulence ...
32
Direct numerical simulation of noise suppression by water injection in high speed flows
... [direct numerical simulation] studies have advanced to the extent of predicting radiated noise levels from both high subsonic and supersonic jets, it would be of great interest to see if such ...
11
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 ...
7
Direct Numerical Simulation of a Jet Issuing from Rectangular Nozzle by the Vortex in Cell Method
... the simulation methods for incompressible ...reduces numerical diffu- sion and also improves numerical ...for direct numerical simulation (DNS) and large eddy simulation ...
10
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 ...
25
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 ...
111
Direct numerical simulation of the flow around an aerofoil in ramp-up motion
... fidelity numerical simulations of dynamic stall in configuration of aeronautical inter- est are particularly expensive due to the broad range of time and space scales involved in the phenomenon: the unsteady ...
18
Direct numerical simulation of a decelerated wall bounded turbulent shear flow
... A fully developed turbulent channel flow is subjected to a mean strain that approxi- mates that in a spatially developing adverse-pressure-gradient (APG) boundary layer. This is done by applying uniform irrotational ...
18
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 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 '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 ...
28
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 ...
21
Compressible effects on a temporal direct numerical simulation
... A direct numerical simulation of a temporal weakly compressible mixing layer at convective Mach number has been ...The simulation has been excited by two dimensional waves (two modes) and a ...
9
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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