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Published in 2022 at "International Journal for Numerical Methods in Biomedical Engineering"
DOI: 10.1002/cnm.3695
Abstract: Numerical simulations of pulsatile blood flow in an aortic coarctation require the use of turbulence modeling. This paper considers three models from the class of large eddy simulation (LES) models (Smagorinsky, Vreman, σ ‐model) and…
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Keywords:
flow;
flow aortic;
turbulence modeling;
turbulence ... See more keywords
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Published in 2019 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2018.09.010
Abstract: Abstract Numerical simulations based on Reynolds-Averaged Navier–Stokes (RANS) equations are widely used in engineering design and analysis involving turbulent flows. However, RANS simulations are known to be unreliable in many flows of engineering relevance, which…
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Keywords:
representation;
turbulence modeling;
machine;
machine learning ... See more keywords
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1
Published in 2018 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2018.03.016
Abstract: Abstract Turbulence modeling effects on the RANS CFD simulations of a full-scale NASCAR Gen 6 Cup car are presented in this paper using three commonly used eddy viscosity turbulence models, viz. the realizable and AKN…
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Keywords:
modeling effects;
vehicle;
turbulence;
nascar gen ... See more keywords
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Published in 2017 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2017.03.041
Abstract: Abstract The paper deals with the modeling and the numerical simulation of upward bubbly flow in a new experimental test, named CHAPTAL. The CHAPTAL experimental program has been set up in the framework of the…
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Keywords:
phase;
two phase;
phase flow;
turbulence modeling ... See more keywords
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Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.107051
Abstract: Abstract This paper presents the flow field around a Semi-Circular Cylinder (SCC), a basic geometry for fluid mechanics, obtained numerically by Computational Fluid Dynamics (CFD) at Reynolds number of 3.2 × 104. Time-averaged flow characteristics such as…
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Keywords:
turbulence;
turbulence modeling;
around semi;
circular cylinder ... See more keywords
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Published in 2021 at "Applied optics"
DOI: 10.1364/ao.418458
Abstract: Atmospheric optical turbulence can be a significant source of image degradation, particularly in long range imaging applications. Many turbulence mitigation algorithms rely on an optical transfer function (OTF) model that includes the Fried parameter. We…
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Keywords:
modeling mitigation;
turbulence;
otf model;
turbulence modeling ... See more keywords
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Published in 2021 at "AIAA Journal"
DOI: 10.2514/1.j060247
Abstract: Hypersonic boundary layers are crucial in aerospace applications such as hypersonic glide vehicles, rockets, and other advanced space vehicles. Hypersonic flows present unique transport phenomena, ...
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Keywords:
modeling hypersonic;
boundary layers;
layers subject;
turbulence modeling ... See more keywords
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Published in 2021 at "AIAA Journal"
DOI: 10.2514/1.j060468
Abstract: Due to the high Reynolds numbers together with the complex turbulent motions in turbomachinery, selecting a proper turbulence-modeling method is of vital significance in interpreting the real flow ...
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Keywords:
turbulence;
comparison turbulence;
modeling compressor;
rotor different ... See more keywords
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1
Published in 2023 at "Energies"
DOI: 10.3390/en16093685
Abstract: This paper presents a holistic Reynolds-averaged Navier–Stokes (RANS) turbulence modeling framework for the computational fluid dynamics (CFD) simulations of complex wall-bounded turbulent flows. Based on the elliptic relaxation idea, the deployed eddy viscosity turbulence model…
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Keywords:
eddy viscosity;
wall;
viscosity turbulence;
elliptic relaxation ... See more keywords
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Published in 2020 at "Fluids"
DOI: 10.3390/fluids5040248
Abstract: The problem of simulating wakes in a stratified oceanic environment with active background turbulence is considered. Anisotropic RANS turbulence models are tested against laboratory and eddy-resolving models of the problem. An important aspect of our…
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Keywords:
turbulence;
anisotropic rans;
turbulence modeling;
rans turbulence ... See more keywords