The flow around a stepped cylinder with turbulent wake and stable shear layer

D Massaro, A Peplinski, P Schlatter - Journal of Fluid Mechanics, 2023 - cambridge.org
The turbulent external flow around a three-dimensional stepped cylinder is studied by
means of direct numerical simulations with the adaptive mesh refinement technique. We …

[HTML][HTML] Coherent structures in the turbulent stepped cylinder flow at ReD= 5000

D Massaro, A Peplinski, P Schlatter - International Journal of Heat and Fluid …, 2023 - Elsevier
The coherent structures arising in the turbulent flow around a three-dimensional stepped (or
step) cylinder are studied through direct numerical simulation. This geometry is widespread …

How vortex dynamics affects the structural load in step cylinder flow

C Tian, J Zhu, LE Holmedal, HI Andersson… - Journal of Fluid …, 2023 - cambridge.org
How vortex dynamics affects the structural load in step cylinder flow Page 1 J. Fluid Mech. (2023),
vol. 972, A10, doi:10.1017/jfm.2023.675 How vortex dynamics affects the structural load in …

Coexistence of natural and forced vortex dislocations in step cylinder flow

C Tian, J Zhu, LE Holmedal - Physics of Fluids, 2023 - pubs.aip.org
The wake behind a step cylinder [consisting of a small diameter cylinder (d) and a large
diameter cylinder (D)] with diameter ratio D/d= 2 at Reynolds number Re D= 200 (the mode …

Three-dimensional numerical simulation of flow past a rotating step cylinder

M Zhao, Q Zhang - Journal of Fluid Mechanics, 2023 - cambridge.org
Flow past a rotating step cylinder is investigated through three-dimensional numerical
simulations for a diameter ratio of 0.5 and a Reynolds number of 150. The step cylinder …

Vortex system around a step cylinder in a turbulent flow field

C Tian, F Jiang, B Pettersen, HI Andersson - Physics of Fluids, 2021 - pubs.aip.org
The vortex system around the step surface of a step cylinder with a diameter ratio D/d= 2 at
Reynolds number (Re D) 3900 was investigated by directly solving the three-dimensional …

On wake modulation and interaction features of a pair of dual-step circular cylinders in side-by-side arrangements

Y Yan, C Ji, N Srinil - Physics of Fluids, 2021 - pubs.aip.org
The proximity interference and the vortex dislocation are fundamental fluid dynamic features
that determine a wake pattern of dual-step circular cylinders in a side-by-side arrangement …

[PDF][PDF] Direct numerical simulation of turbulent flow around 3D stepped cylinder with adaptive mesh refinement

D Massaro, A Peplinski, P Schlatter - … International Symposium on …, 2022 - researchgate.net
In the present study, we investigate the turbulent threedimensional flow around a stepped
cylinder, namely two cylinders of different diameters joint at one extremity. We perform a …

On the three-dimensional flow development around circular finned cylinders

MR Islam, A Mohany - Physics of Fluids, 2020 - pubs.aip.org
The three-dimensional flow development around the circular finned cylinders is investigated
numerically. Three finned cylinders with constant fin pitch (p), fin thickness (t), and effective …

Vortex shedding from cylinders with two step discontinuities in diameter

C Morton, S Yarusevych - Journal of Fluid Mechanics, 2020 - cambridge.org
A dual-step cylinder is a canonical geometry commonly encountered in many practical flows.
It consists of a large diameter cylinder (. The flow evolution and structural loading are …