Predicting transition with wall-distance-free SST k-ω model

MM Rahman - Computers & Fluids, 2023 - Elsevier
Unlike the correlation-based γ–R e θ transition model, an exceptionally simplified approach
is applied to extend the wall-distance-free (WDF) model toward transition predictions. An …

Capturing transition around low-Reynolds number hydrofoil with zero-equation transition model

MM Rahman, K Hasan, H Pan - Physics of Fluids, 2022 - pubs.aip.org
Compared with the local correlation-based shear stress transport (SST) γ− Re θ transition
model (where SST k− ω transport equations are coupled with intermittency γ and transitional …

[HTML][HTML] Compromising with corrector step of SIMPLE algorithm

MM Rahman - Mathematics and Computers in Simulation, 2021 - Elsevier
Abstaining from a corrector step of SIMPLE-like algorithms, a coupled pressure-based
algorithm is designed using a cell-centered finite-volume Δ-approximation on a collocated …

Wall-distance-free formulation for SST k-ω model

MM Rahman, V Vuorinen, J Taghinia… - European Journal of …, 2019 - Elsevier
Two different wdf (wall-distance-free) approaches are devised using local wall-distance and
dissipation based representations to obtain consistency formulations for blending functions …

An artificial compressibility method for incompressible flows

MMRT Siikonen - Numerical Heat Transfer, Part B: Fundamentals, 2001 - Taylor & Francis
An artificial compressibility method characterized by the pressure-based algorithm is
developed on a nonorthogonal collocated grid for incompressible fluid flow problems, using …

An artificial compressibility method for viscous incompressible and low Mach number flows

MM Rahman, T Siikonen - International Journal for Numerical …, 2008 - Wiley Online Library
Within the framework of the pressure‐based algorithm, an artificial compressibility method is
developed on a non‐orthogonal grid for incompressible and low Mach number fluid flow …

Improved low-Reynolds-number one-equation turbulence model

MM Rahman, T Siikonen, RK Agarwal - AIAA journal, 2011 - arc.aiaa.org
ANUMBER of scientific and engineering calculations adhering to turbulent flows are
established on one-equation models due to their simplicity of implementation and less …

[HTML][HTML] Introducing compressibility with SIMPLE algorithm

J Qin, H Pan, MM Rahman, X Tian, Z Zhu - Mathematics and Computers in …, 2021 - Elsevier
A comparative assessment between SIMPLE and its variant SIMPLE-C is conducted based
on two-dimensional (2-D) incompressible flows, using a cell-centered finite-volume Δ …

Computation of the incompressible viscous-flow around a tractor thruster using a sliding-mesh technique

A Sanchez-Caja, P Rautaheimo, E Salminen… - … on Numerical Ship …, 1999 - cris.vtt.fi
The unsteady flow around a tractor thruster is simulated by solving the RANS equations with
a sliding mesh technique. A muitiblock Navier-Stokes solver (FINFLO) developed at Helsinki …

Consistently formulated eddy-viscosity coefficient for k-equation model

MM Rahman, K Keskinen, V Vuorinen… - Journal of …, 2018 - Taylor & Francis
An approach to devising a consistency formulation for P k/ε P k/ε (production-to-dissipation
ratio) is proposed to obtain a non-singular C μ C μ (coefficient of eddy-viscosity) embedded …