[HTML][HTML] Recent advances in understanding the flow over bluff bodies with different geometries at moderate Reynolds numbers

MR Lekkala, M Latheef, JH Jung, A Coraddu, H Zhu… - Ocean …, 2022 - Elsevier
The application of unsteady incompressible flow phenomenon over the bluff bodies has
received the attention of many researchers due to the rich and complex physics …

A review of experiments on stationary bluff body wakes

B Forouzi Feshalami, S He, F Scarano, L Gan… - Physics of …, 2022 - pubs.aip.org
Experimental studies dealing with the wake of isolated stationary bluff bodies are reviewed.
After briefly recalling the pioneering works in this domain, the paper focuses on recent …

Evidence and physical mechanism for vortex-induced vibration of a bluff body without an afterbody

W Chen, Y Li - Physics of Fluids, 2023 - pubs.aip.org
Afterbody—the portion of the body downstream of shear layer separation points—was
believed to be essential for the vortex-induced vibration (VIV) of a bluff body. A recent study …

Potential flow around polygonal shaped cylinders using hypotrochoidal mapping function

DT Solanki, DS Sharma - International Journal of Mechanical Sciences, 2022 - Elsevier
In this paper, some investigations on two-dimensional steady potential flow over polygonal
shaped cylinders are presented. The polygonal shapes with finite corner radius are obtained …

Correspondence between the number of no-slip critical points and nature of rear stagnation point of a symmetric object

SK Mishra, PK Yadav, H Sarkar, S Sen - Physics of Fluids, 2022 - pubs.aip.org
For flow around an isolated object, the points of zero vorticity/shear stress located at fluid–
solid interface, ie, the separation, reattachment points inclusive of forward and rear …

Study on the drag reduction and vortex-induced vibration of an 18-sided polygon cylinder

X Yang, Z Yan, YB Yang, L Wang, S Zhao - Ocean Engineering, 2024 - Elsevier
Tall buildings and transmission wires with polygon cross-sections have been shown to have
lower drag forces than circular cross-sections. In this study, flow around an 18-sided …

[HTML][HTML] Large eddy simulation of incident flows around polygonal cylinders

E Masoudi, L Gan, D Sims-Williams - Physics of Fluids, 2021 - pubs.aip.org
In this study, we carry out large eddy simulation of incident flow around polygonal cylinders
of side number N= 5− 8 at Reynolds number Re= 10 4⁠. In total, six incidence angles (α) are …

Vortex evolution in the near wake behind polygonal cylinders

Q Wang, L Gan, S Xu, Y Zhou - Experimental Thermal and Fluid Science, 2020 - Elsevier
The near wake of the polygonal cylinder with the side number N= 3~∞ is systematically
studied using particle image velocimetry (PIV) at Re= 1.6× 10 4. The proper orthogonal …

On the asymmetric vortex evolution in the near wake behind polygonal cylinders in an incident flow

H Cheng, E Masoudi, Y Liu, L Gan - Ocean Engineering, 2024 - Elsevier
Asymmetric evolution of coherent vortices behind polygonal cylinders in an incident flow is
studied using Proper Orthogonal Decomposition (POD) based phase averaging analysis …

Hydrodynamic interaction between two polygonal cylinders in uniform potential flow

DT Solanki, DS Sharma - Ocean Engineering, 2023 - Elsevier
The analytical solution for uniform potential flow around two similar or dissimilar polygonal
cylinders is obtained by using complex potential function for a doublet trapped in an …