Numerical simulations of complex yield-stress fluid flows

E Mitsoulis, J Tsamopoulos - Rheologica Acta, 2017 - Springer
Viscoplasticity is characterized by a yield stress, below which the materials will not deform
and above which they will deform and flow according to different constitutive relations …

MHD mixed convection of non-Newtonian Bingham nanofluid in a wavy enclosure with temperature-dependent thermophysical properties: a sensitivity analysis by …

A Hossain, MM Molla, M Kamrujjaman… - Energies, 2023 - mdpi.com
The numerical investigation of magneto-hydrodynamic (MHD) mixed convection flow and
entropy formation of non-Newtonian Bingham fluid in a lid-driven wavy square cavity filled …

A critical analysis of some popular methods for the discretisation of the gradient operator in finite volume methods

A Syrakos, S Varchanis, Y Dimakopoulos, A Goulas… - Physics of …, 2017 - pubs.aip.org
Finite volume methods (FVMs) constitute a popular class of methods for the numerical
simulation of fluid flows. Among the various components of these methods, the discretisation …

Influence of elastic instability and elastic turbulence on mixed convection of viscoelastic fluids in a lid-driven cavity

S Gupta, A Chauhan, C Sasmal - International Journal of Heat and Mass …, 2022 - Elsevier
The addition of a minute amount of solid polymers into a Newtonian solvent like water can
originate an elastic instability as the Weissenberg number (ratio of the elastic forces to that of …

The numerical simulation of rock mass grouting: a literature review

F Tong, J Yang, MQ Duan, XF Ma, GC Li - Engineering Computations, 2022 - emerald.com
Purpose The purpose of this article is to understand the current research status and future
development trends in the field of numerical simulation on rock mass grouting …

[HTML][HTML] CFD analysis of the full-scale resistance of an oil tanker in presence of a mud–water interface

S Lovato, SL Toxopeus, JW Settels, GH Keetels… - Ocean …, 2024 - Elsevier
The presence of mud layers on the bottom of ports and waterways can have negative effects
on the hydrodynamic behaviour of marine vessels. This numerical study investigates the …

Advances in the simulation of viscoplastic fluid flows using interior-point methods

J Bleyer - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
We present a primal–dual interior point algorithm for the resolution of steady-state
viscoplastic fluid flows formulated as a conic optimization problem. We give a complete …

Performance of the finite volume method in solving regularised Bingham flows: Inertia effects in the lid-driven cavity flow

A Syrakos, GC Georgiou, AN Alexandrou - Journal of Non-Newtonian Fluid …, 2014 - Elsevier
We extend our recent work on the creeping flow of a Bingham fluid in a lid-driven cavity, to
the study of inertial effects, using a finite volume method and the Papanastasiou …

Exploring the periodic behavior of the lid-driven cavity flow filled with a Bingham fluid

MA Ferrari, AT Franco - Journal of Non-Newtonian Fluid Mechanics, 2023 - Elsevier
This paper explores the flow behavior of a bi-dimensional lid-driven cavity filled with a
viscoplastic fluid. The results were obtained numerically using the moment representation of …

Computational analysis of fluid forces on an obstacle in a channel driven cavity: Viscoplastic material based characteristics

R Mahmood, A Hussain Majeed, Q Ain, J Awrejcewicz… - Materials, 2022 - mdpi.com
In the current work, an investigation has been carried out for the Bingham fluid flow in a
channel-driven cavity with a square obstacle installed near the inlet. A square cavity is …