Effects of inlet uncertainties on prediction of turbulent flows using RANS and LES simulations

P Congedo, C Duprat, G Balarac, C Corre - 20th AIAA computational …, 2011 - arc.aiaa.org
In recent years, the scientific community has developed increasing interest into partial
differential equations with uncertain or stochastic parameters. Sources of uncertainties may …

The effect of grid topology and flow solver on turbulence model closure coefficient uncertainties for a transonic airfoil

JA Schaefer, S Hosder, M Mani, AW Cary… - 46th AIAA Fluid …, 2016 - arc.aiaa.org
Turbulence is one of the greatest unsolved mysteries of classical physics. Due to the highly
complex and chaotic nature of the phenomenon, the current physical understanding of …

Numerical prediction of turbulent flows using Reynolds‐averaged Navier–Stokes and large‐eddy simulation with uncertain inflow conditions

PM Congedo, C Duprat, G Balarac… - International Journal for …, 2013 - Wiley Online Library
Numerous comparisons between Reynolds‐averaged Navier–Stokes (RANS) and large‐
eddy simulation (LES) modeling have already been performed for a large variety of turbulent …

Uncertainty analysis of turbulence model closure coefficients for wall-bounded attached and separated flows

A Erb, S Hosder - 19th AIAA Non-Deterministic Approaches …, 2017 - arc.aiaa.org
Turbulence is one of the greatest obscurities in the study of fluid mechanics. The uncertain
nature of the highly complex turbulent flow imposes a difficult obstacle to conquer, and as …

Grid influence on turbulence model coefficient uncertainties in transonic wall-bounded flows

J Schaefer, A Cary, M Mani, J Krakos, S Hosder - AIAA Journal, 2018 - arc.aiaa.org
The goal of this work is to determine the effect of grid topology and flow solver discretization
on the uncertainty quantification and sensitivity analysis of commonly used turbulence …

The challenge of turbulence modelling in modern aeronautical design

AG Hutton, RM Ashworth - International journal for numerical …, 2005 - Wiley Online Library
Modern aeronautical design is driven by a number of factors such as evolving operational
requirements, the relentless drive to reduce costs and increasingly stringent environmental …

Minimization and quantification of errors and uncertainties in Rans modeling

T Schmidt, C Mockett, F Thiele - … Minimisation of Uncertainties and Errors in …, 2013 - Springer
Owing to their affordable computational cost relative to higher-fidelity approaches such as
large-eddy simulation (LES), statistical turbulence models are currently the principle …

Quantification of model uncertainty in RANS simulations: A review

H Xiao, P Cinnella - Progress in Aerospace Sciences, 2019 - Elsevier
In computational fluid dynamics simulations of industrial flows, models based on the
Reynolds-averaged Navier–Stokes (RANS) equations are expected to play an important …

[HTML][HTML] Data-Driven RANS Modelling and Prediction of Turbulent Flows

A Amarloo - 2023 - pure.au.dk
A simulation of flows' behavior, in other words, computational fluid dynamics (CFD)
simulation of flows, requires a large source of computational power to resolve the behavior …

Sensitivity and calibration of turbulence model in the presence of epistemic uncertainties

A Da Ronch, M Panzeri, J Drofelnik… - CEAS Aeronautical …, 2020 - Springer
The solution of Reynolds-averaged Navier–Stokes equations employs an appropriate set of
equations for the turbulence modelling. The closure coefficients of the turbulence model …