Turbulence modeling in the age of data
Data from experiments and direct simulations of turbulence have historically been used to
calibrate simple engineering models such as those based on the Reynolds-averaged Navier …
calibrate simple engineering models such as those based on the Reynolds-averaged Navier …
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 …
Reynolds-averaged Navier–Stokes (RANS) equations are expected to play an important …
An interpretable framework of data-driven turbulence modeling using deep neural networks
Reynolds-averaged Navier–Stokes simulations represent a cost-effective option for practical
engineering applications, but are facing ever-growing demands for more accurate …
engineering applications, but are facing ever-growing demands for more accurate …
Model averaging in ecology: A review of Bayesian, information‐theoretic, and tactical approaches for predictive inference
CF Dormann, JM Calabrese… - Ecological …, 2018 - Wiley Online Library
In ecology, the true causal structure for a given problem is often not known, and several
plausible models and thus model predictions exist. It has been claimed that using weighted …
plausible models and thus model predictions exist. It has been claimed that using weighted …
A novel evolutionary algorithm applied to algebraic modifications of the RANS stress–strain relationship
J Weatheritt, R Sandberg - Journal of Computational Physics, 2016 - Elsevier
This paper presents a novel and promising approach to turbulence model formulation, rather
than putting forward a particular new model. Evolutionary computation has brought symbolic …
than putting forward a particular new model. Evolutionary computation has brought symbolic …
Feature selection and processing of turbulence modeling based on an artificial neural network
Data-driven turbulence modeling has been considered an effective method for improving the
prediction accuracy of Reynolds-averaged Navier–Stokes equations. Related studies aimed …
prediction accuracy of Reynolds-averaged Navier–Stokes equations. Related studies aimed …
The impact of uncertainty on predictions of the CovidSim epidemiological code
W Edeling, H Arabnejad, R Sinclair… - Nature Computational …, 2021 - nature.com
Epidemiological modelling has assisted in identifying interventions that reduce the impact of
COVID-19. The UK government relied, in part, on the CovidSim model to guide its policy to …
COVID-19. The UK government relied, in part, on the CovidSim model to guide its policy to …
The development of algebraic stress models using a novel evolutionary algorithm
J Weatheritt, RD Sandberg - International Journal of Heat and Fluid Flow, 2017 - Elsevier
This work presents developments to a novel evolutionary framework that symbolically
regresses algebraic forms of the Reynolds stress anisotropy tensor. This work contributes to …
regresses algebraic forms of the Reynolds stress anisotropy tensor. This work contributes to …
Improving the k–ω–γ–Ar transition model by the field inversion and machine learning framework
M Yang, Z Xiao - Physics of Fluids, 2020 - pubs.aip.org
Accurate simulation of transition from the laminar to the turbulent flow is of great importance
in industrial applications. In the present work, the framework of field inversion and machine …
in industrial applications. In the present work, the framework of field inversion and machine …
Conditioning and accurate solutions of Reynolds average Navier–Stokes equations with data-driven turbulence closures
BP Brener, MA Cruz, RL Thompson… - Journal of Fluid …, 2021 - cambridge.org
The possible ill conditioning of the Reynolds average Navier–Stokes (RANS) equations
when an explicit data-driven Reynolds stress tensor closure is employed is a discussion of …
when an explicit data-driven Reynolds stress tensor closure is employed is a discussion of …