Results 1 to 10 of about 5,333 (258)
On the Efficacy of Turbulence Modelling for Sloshing
Applied Sciences (Switzerland), 2022 As part of a wider project to understand the applicability of utilising slosh-based damping for wing-like structures, simulations of partially filled tanks subjected to harmonically oscillating and vertical motion are presented.
Wendi Liu +2 more
exaly +3 more sources
Mathematical Methodology and Metallurgical Application of Turbulence Modelling: A Review
Metals, 2021 This paper focusses on three main numerical methods, i.e., the Reynolds-Averaged Navier-Stokes (RANS), Large Eddy Simulation (LES), and Direct Numerical Simulation (DNS) methods. The formulation and variation of different RANS methods are evaluated.
Yannan Wang +2 more
exaly +3 more sources
Journal of Marine Science and Engineering, 2023 Pipe bend is a critical integral component, widely used in slurry pipeline systems involving various engineering applications, including natural gas hydrate production. The aim of this study is to assess the capability of RANS-based CFD models to capture
Peng Yu, Ye Tian
exaly +3 more sources
Direct numerical simulation of three-dimensional Kolmogorov flow for turbulence model development [PDF]
Scientific DataWe present a curated dataset comprising three-dimensional direct numerical simulations of Kolmogorov flow across multiple distinct parameter regimes. These simulations cover a wide range of Reynolds numbers and excitation modes, capturing diverse flow ...
Kinga Andrea Kovács +2 more
doaj +2 more sources
A Machine Learning Approach to Improve Turbulence Modelling from DNS Data Using Neural Networks
International Journal of Turbomachinery, Propulsion and Power, 2021 In this paper, we investigate the feasibility of using DNS data and machine learning algorithms to assist RANS turbulence model development. High-fidelity DNS data are generated with the incompressible Navier–Stokes solver implemented in the spectral/hp ...
Andrea Cassinelli +2 more
exaly +3 more sources
Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller [PDF]
INCAS Bulletin, 2021 The advancement of computer technology has given the necessary impetus to perform numerical modelling and simulation in engineering. Turbulence modelling in Computational Fluid Dynamics is characterized by non-physics based modelling and there are ...
Aravind SEENI
doaj +1 more source
Modelling and computation of large-scale open atmosphere hydrogenair deflagration [PDF]
Kafrelsheikh Journal of Information Sciences, 2021 Studying of gas deflagration is important for a safety purpose in gas industry. A modelling approach based on large eddy simulation (LES) technique for modelling turbulent flow combined with the species mass fraction equations for modelling combustion is
Mohamed Sakr
doaj +1 more source
Generative modeling of turbulence
Physics of Fluids, 2022 We present a mathematically well-founded approach for the synthetic modeling of turbulent flows using generative adversarial networks (GAN). Based on the analysis of chaotic, deterministic systems in terms of ergodicity, we outline a mathematical proof that GAN can actually learn to sample state snapshots from the invariant measure of the chaotic ...
C. Drygala +3 more
openaire +2 more sources
Appropriate Numerical Modelling for Simulation of Root Airfoils of Horizontal Axis Wind Turbine [PDF]
مجله مدل سازی در مهندسی, 2023 In this paper, the air flow around a root airfoil model of horizontal axis wind turbine, namely SG6040 is numerically simulated using finite volume method by three turbulence modelling k-ω, k-ω SST, and Spalart-Allmaras in two Reynolds Number of 137,122 ...
Sajjad Pourhabili, Reza Razaghi
doaj +1 more source
Metals, 2023 The submitted article deals with the use of physical and numerical modelling to study the process of the steel flow in an asymmetric five-strand tundish that continuously casts steel.
Josef Walek +8 more
doaj +1 more source