Turbulent flow over partially superhydrophobic underwater structures: The case of flow over sphere and step

B Zeinali, J Ghazanfarian - Ocean Engineering, 2020 - Elsevier
Results of the large eddy simulations (LES) over two partially superhydrophobic 3D
geometries, including the backward-facing step and the sphere at the Reynolds number of …

Electrohydrodynamics of a droplet in a highly confined domain: A numerical study

R Saghatchi, A Rahmat, M Yildiz - Physics of Fluids, 2020 - pubs.aip.org
In this paper, electrohydrodynamics (EHD) deformation of a droplet in a highly confined
domain is studied by using the incompressible smoothed particle hydrodynamics method …

Free-surface flow past a circular cylinder at high Froude numbers

MA Moradi, A Mojra - Ocean Engineering, 2024 - Elsevier
Despite a lot of research on the flow past cylinders in an infinite medium, there is a great
deal that is unknown about flow structure affected by the free surface at high Froude …

Janus surface concept for three-dimensional turbulent flows

B Zeinali, J Ghazanfarian, B Lessani - Computers & Fluids, 2018 - Elsevier
Three-dimensional numerical simulations of turbulent flow over a partial super-hydrophobic
cylinder, hereinafter referred to as the “Janus cylinder”, are performed using large-eddy …

Dynamics of double emulsion interfaces under the combined effects of electric field and shear flow

R Saghatchi, M Ozbulut, M Yildiz - Computational Mechanics, 2021 - Springer
In this paper, the dynamics of a 2D double emulsion under the combined effects of the
electric field and shear flow are studied by using an incompressible smoothed particle …

Combined active-passive heat transfer control using slotted fins and oscillation: The cases of single cylinder and tube bank

H Soheibi, Z Shomali, J Ghazanfarian - … Journal of Heat and Mass Transfer, 2022 - Elsevier
In heat transfer augmenting methods such as radial fins, the heat transfer enhancement
commonly leads to the drag force increment. In the present paper, slots are inserted over the …

Development of smoothed particle hydrodynamics method for modeling active nematics

R Saghatchi, DC Kolukisa… - International Journal for …, 2023 - Wiley Online Library
This article proposes a novel graphics processing unit‐based active nematic flow solver
based on the smoothed particle hydrodynamics (SPH) method. Nematohydrodynamics …

Drag suppression for 2D oscillating cylinder with various arrangement of splitters at Re= 100: a high-amplitude study with OpenFOAM

M Amiraslanpour, J Ghazanfarian, SE Razavi - Journal of Wind Engineering …, 2017 - Elsevier
The drag suppression for a high-amplitude oscillating cylinder is simulated using various
configurations of detached-splitter plates. Governing parameters are the length of splitters …

Experimental and SPH studies of reciprocal wet-bed dam-break flow over obstacles

A Ansari, E Khavasi, J Ghazanfarian - International Journal of …, 2021 - World Scientific
Different permutations of the single and the two-fold dam-break flow have been investigated
using the mesh-free smoothed-particle hydrodynamics and the experimental setup. The free …

Two-dimensional SPH analysis of seepage with water injection process for different crack morphologies

H Ma, J Wang, J Qian, X Tan, L Chen, Y Deng… - KSCE Journal of Civil …, 2021 - Springer
Crack seepage in nature involves natural and water injection flow, causing crack
morphology in nature to be varied. Using the numerical simulation method of smoothed …