DEM/CFD-DEM modelling of non-spherical particulate systems: theoretical developments and applications

W Zhong, A Yu, X Liu, Z Tong, H Zhang - Powder technology, 2016 - Elsevier
Particles encountered in nature and engineering practice are normally not spherical but of
irregular shapes. Particle shape plays a key role in determining the behaviour of bulk solids …

Global spectral analysis: Review of numerical methods

P Sagaut, VK Suman, P Sundaram, MK Rajpoot… - Computers & …, 2023 - Elsevier
The design and analysis of numerical methods are usually guided by the following:(a) von
Neumann analysis using Fourier series expansion of unknowns,(b) the modified differential …

Turbulent flow around a square cylinder at Reynolds number 22,000: A DNS study

FX Trias, A Gorobets, A Oliva - Computers & Fluids, 2015 - Elsevier
The turbulent flow around a square cylinder at Reynolds number 22, 000 (based on the
cylinder diameter and the inflow velocity) is studied by means of direct numerical simulation …

A low-dissipation finite element scheme for scale resolving simulations of turbulent flows

O Lehmkuhl, G Houzeaux, H Owen… - Journal of …, 2019 - Elsevier
The present work extends the conservative convective scheme proposed by Charnyi et
al.(2017)[13], originally formulated for mixed finite elements and tested in laminar flows, to …

Spanwise resolution requirements for the simulation of high-Reynolds-number flows past a square cylinder

Y Cao, T Tamura, H Kawai - Computers & Fluids, 2020 - Elsevier
In the past, the coarse spanwise resolution was widely used for high-Reynolds-number flow
simulations of a two-dimensional bluff body with the purpose of reducing the computational …

A finite-volume/level-set method for simulating two-phase flows on unstructured grids

N Balcázar, L Jofre, O Lehmkuhl, J Castro… - International journal of …, 2014 - Elsevier
The conservative level-set method for capturing the interface between two fluids is combined
with a variable density projection scheme to simulate incompressible two-phase flows on …

On the flow past a circular cylinder from critical to super-critical Reynolds numbers: Wake topology and vortex shedding

I Rodríguez, O Lehmkuhl, J Chiva, R Borrell… - International Journal of …, 2015 - Elsevier
Large-eddy simulations (LES) of the flow past a circular cylinder are used to investigate the
flow topology and the vortex shedding process at Reynolds numbers Re= 2.5× 10 5-8.5× 10 …

Unsteady forces on a circular cylinder at critical Reynolds numbers

O Lehmkuhl, I Rodríguez, R Borrell, J Chiva, A Oliva - Physics of Fluids, 2014 - pubs.aip.org
It is well known that the flow past a circular cylinder at critical Reynolds number combines
flow separation, turbulence transition, reattachment of the flow, and further turbulent …

Assessment of variational multiscale models for the large eddy simulation of turbulent incompressible flows

O Colomés, S Badia, R Codina, J Principe - Computer Methods in Applied …, 2015 - Elsevier
In this work we study the performance of some variational multiscale models (VMS) in the
large eddy simulation (LES) of turbulent flows. We consider VMS models obtained by …

On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control

N Morozova, FX Trias, R Capdevila… - Building and …, 2020 - Elsevier
Computational fluid dynamics (CFD) is a reliable tool for indoor environmental applications.
However, accurate CFD simulations require large computational resources, whereas …