Prediction of turbulent channel flow using Fourier neural operator-based machine-learning strategy

Y Wang, Z Li, Z Yuan, W Peng, T Liu, J Wang - Physical Review Fluids, 2024 - APS
Fast and accurate predictions of turbulent flows are of great importance in the science and
engineering field. In this paper, we investigate the implicit U-Net enhanced Fourier neural …

[HTML][HTML] A novel hybrid control strategy of wind turbine wakes in tandem configuration to improve power production

ME Nakhchi, SW Naung, M Rahmati - Energy Conversion and Management, 2022 - Elsevier
The wind turbines that operate in the wake region of the upstream turbines produce less
power and may suffer serious structural issues due to highly unsteady flows, which can …

A conservative immersed boundary method for the multi-physics urban large-eddy simulation model uDALES v2. 0

SO Owens, D Majumdar, CE Wilson… - Geoscientific Model …, 2024 - gmd.copernicus.org
Abstract uDALES is an open-source multi-physics microscale urban modelling tool, capable
of performing large-eddy simulation (LES) of urban airflow, heat transfer, and pollutant …

Investigating Bayesian optimization for expensive-to-evaluate black box functions: Application in fluid dynamics

M Diessner, J O'Connor, A Wynn, S Laizet… - Frontiers in Applied …, 2022 - frontiersin.org
Bayesian optimization (BO) provides an effective method to optimize expensive-to-evaluate
black box functions. It has been widely applied to problems in many fields, including notably …

Performance analysis of vertical-axis wind turbine clusters: Effect of inter-turbine spacing and turbine rotation

M Verma, A De - Physics of Fluids, 2023 - pubs.aip.org
Wind energy has emerged as a viable alternative to fossil fuels, with vertical-axis wind
turbines (VAWTs) gaining popularity due to their efficiency and adaptability. Combining the …

Viscous and hyperviscous filtering for direct and large-eddy simulation

E Lamballais, RV Cruz, R Perrin - Journal of Computational Physics, 2021 - Elsevier
This work is dedicated to the solution filtering technique for performing direct and large-eddy
simulation. It is shown that this approach is equivalent to the use of spectral viscosity as a …

Bayesian Optimisation of a Two‐Turbine Configuration Around a 2D Hill Using Large Eddy Simulations

C Jané‐Ippel, N Bempedelis, R Palacios… - Wind Energy, 2024 - Wiley Online Library
When planning a new wind farm, optimising the turbine layout to maximise power output is
crucial. Traditional approaches based on analytical wake models often fail in complex …

[HTML][HTML] Quantifying uncertainties in direct numerical simulations of a turbulent channel flow

J O'Connor, S Laizet, A Wynn, W Edeling… - Computers & Fluids, 2024 - Elsevier
Direct numerical simulation (DNS) provides unrivalled levels of detail and accuracy for
simulating turbulent flows. However, like all numerical methods, DNS is subject to …

A simple and scalable immersed boundary method for high-fidelity simulations of fixed and moving objects on a Cartesian mesh

AE Giannenas, S Laizet - Applied Mathematical Modelling, 2021 - Elsevier
A simple and scalable Immersed Boundary Method based on cubic spline reconstructions is
presented for high-fidelity simulations of immersed objects in a turbulent flow on a Cartesian …

On the interaction of a wind turbine wake with a conventionally neutral atmospheric boundary layer

A Hodgkin, G Deskos, S Laizet - International Journal of Heat and Fluid …, 2023 - Elsevier
In this work, we investigate the dynamics of wind turbine tip-vortex breakdown in a
conventionally neutral atmospheric boundary layer (ABL). To this end, high-resolution data …