[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 …

Non-Newtonian fluid flow over a rotating elliptic cylinder in laminar flow regime

D Kumar, AK Sahu - European Journal of Mechanics-B/Fluids, 2022 - Elsevier
In this paper, a numerical investigation is done to understand the two-dimensional flow
behaviorof power-law fluids past a rotating elliptic cylinder in unconfined domain. The flow …

Onset of laminar separation and vortex shedding in flow past unconfined elliptic cylinders

I Paul, KA Prakash, S Vengadesan - Physics of Fluids, 2014 - pubs.aip.org
This article presents the numerical studies on predicting onset of flow separation and vortex
shedding in flow past unconfined two-dimensional elliptical cylinders for various Axis Ratios …

Simultaneous streamwise and cross-stream oscillations of a diamond oscillator at low Reynolds numbers

K Sourav, PK Yadav, P Tallapragada, D Kumar - Physics of Fluids, 2022 - pubs.aip.org
A two-dimensional stabilized space-time finite-element-based in-house solver is used to
explore flow around an elastically mounted rigid diamond oscillator undergoing undamped …

Numerical studies of laminar flow over two tandem elliptical cylinders using Ramanujan approximation

JF Derakhshandeh, N Gharib - Journal of the Brazilian Society of …, 2021 - Springer
This paper studies a laminar flow over tandem elliptical cylinders at Re= 200. While the
aspect ratio (AR) of the upstream cylinder varies from AR= a_ 1 a 1/b_ 1 b 1= 0.25 to 2.00 …

Understanding the secondary separation from an inclined square cylinder with sharp and rounded trailing edges

D Kumar, K Sourav, PK Yadav, S Sen - Physics of Fluids, 2019 - pubs.aip.org
The steady separated flow past a square cylinder at 45 incidence and having a
sharp/rounded base is a unique kind of separated flow around a symmetric bluff obstacle. At …

A numerical study of separation and stagnation points for steady and unsteady flow over an elliptic cylinder near a moving wall

J Zhu, LE Holmedal - Physics of Fluids, 2021 - pubs.aip.org
Flow separation around an elliptic cylinder with an aspect ratio of 0.4 near a moving wall is
investigated numerically for R e∈[5, 150] with G/D∈[0.1, 2](where G denotes the distance …

Steady separation of flow from an inclined square cylinder with sharp and rounded base

D Kumar, K Sourav, S Sen, PK Yadav - Computers & Fluids, 2018 - Elsevier
Initial separation of laminar boundary layer for steady flow around square cylinders at 45°
incidence is investigated numerically using a blockage of 0.05. The cylinder shapes differ …

Modification of response and suppression of vortex-shedding in vortex-induced vibrations of an elliptic cylinder

D Kumar, M Mittal, S Sen - International Journal of Heat and Fluid Flow, 2018 - Elsevier
Numerical experiments are performed at a Reynolds number, Re of 100 to explore in two-
dimensions, the undamped, transverse-only vortex-induced vibrations of a rigid elliptic …

A comprehensive study of the onset of boundary layer separation in the unbounded flow around a circular cylinder

NA Malamataris, IE Sarris, DP Pazis, A Liakos - Physics of Fluids, 2022 - pubs.aip.org
The onset of boundary layer separation in the unbounded flow around a circular cylinder is
determined directly with a numerical experiment with accuracy to the second decimal point …