[HTML][HTML] Simple multiple reference frame for high-order solution of hovering rotors with and without ground effect

PASF Silva, P Tsoutsanis, AF Antoniadis - Aerospace Science and …, 2021 - Elsevier
In the present work, the aerodynamic performance of the Caradonna and Tung and S-76 in
hover were investigated using a simplified concept of multiple reference frame (MRF) …

Impact of environmental turbulence on the performance and loadings of a tidal stream turbine

P Ouro, T Stoesser - Flow, Turbulence and Combustion, 2019 - Springer
A large-eddy simulation (LES) of a laboratory-scale horizontal axis tidal stream turbine
operating over an irregular bathymetry in the form of dunes is performed. The Reynolds …

An immersed boundary-based large-eddy simulation approach to predict the performance of vertical axis tidal turbines

P Ouro, T Stoesser - Computers & Fluids, 2017 - Elsevier
Vertical axis tidal turbines (VATTs) are perceived to be an attractive alternative to their
horizontal axis counterparts in tidal streams due to their omni-directionality. The accurate …

[HTML][HTML] Scalability of an Eulerian-Lagrangian large-eddy simulation solver with hybrid MPI/OpenMP parallelisation

P Ouro, B Fraga, U Lopez-Novoa, T Stoesser - Computers & fluids, 2019 - Elsevier
Eulerian-Lagrangian approaches capable of accurately reproducing complex fluid flows are
becoming more and more popular due to the increasing availability and capacity of High …

Effect of blade cambering on dynamic stall in view of designing vertical axis turbines

P Ouro, T Stoesser, L Ramírez - Journal of Fluids …, 2018 - asmedigitalcollection.asme.org
This paper presents large eddy simulations (LESs) of symmetric and asymmetric (cambered)
airfoils forced to undergo deep dynamic stall due to a prescribed pitching motion …

[HTML][HTML] Cuttings transport: Back reaming analysis based on a coupled layering-sliding mesh method via CFD

N Zhu, SD Ding, XL Shi, WJ Huang, DL Gao - Petroleum Science, 2023 - Elsevier
Inadequate hole cleaning is one of the main reasons for inefficient operations in extended-
reach drilling. The mechanism of cuttings transport under the back reaming operation, which …

[HTML][HTML] An arbitrary Lagrangian-Eulerian SPH-MLS method for the computation of compressible viscous flows

L Ramírez, A Eirís, I Couceiro, J París… - Journal of Computational …, 2022 - Elsevier
In this work we present a high-accurate discretization to solve the compressible Navier-
Stokes equations using an Arbitrary Lagrangian-Eulerian meshless method (SPH-MLS) …

An efficient sliding mesh interface method for high-order discontinuous Galerkin schemes

J Dürrwächter, M Kurz, P Kopper, D Kempf, CD Munz… - Computers & …, 2021 - Elsevier
Sliding meshes are a powerful method to treat deformed domains in computational fluid
dynamics, where different parts of the domain are in relative motion. In this paper, we …

[HTML][HTML] Simulation of rotating objects in fluids with the cumulant lattice Boltzmann model on sliding meshes

EK Far, M Geier, M Krafczyk - Computers & mathematics with applications, 2020 - Elsevier
In this paper a rotating grid technique for the cumulant lattice Boltzmann model is presented.
The rotating object is embedded in a rotating mesh that communicates with an enclosing …

A sharp immersed boundary method based on penalization and its application to moving boundaries and turbulent rotating flows

M Specklin, Y Delauré - European Journal of Mechanics-B/Fluids, 2018 - Elsevier
This paper presents an Immersed Boundary Method (IBM) for handling flows in the presence
of fixed and moving solids with complex geometries. The method is based on a penalization …