Flow past a sphere: Numerical predictions of thixo-viscoelastoplastic wormlike micellar solutions

JE López-Aguilar, O Resendiz-Tolentino… - Journal of Non …, 2022 - Elsevier
In this work, we present numerical solutions to the benchmark flow past a sphere problem
considering the rheology of semi-diluted and concentrated wormlike micellar viscoelastic …

A revisitation of White− Metzner viscoelastic fluids

HC Tseng - Physics of Fluids, 2021 - pubs.aip.org
The famous White–Metzner (WM) constitutive equation expresses a relatively simple
nonlinear viscoelastic fluid of polymer melts. However, such a differential stress model …

Numerical Simulation of Three-Dimensional Free Surface Flows Using the K–BKZ–PSM Integral Constitutive Equation

J Bertoco, A Castelo, LL Ferrás, C Fernandes - Polymers, 2023 - mdpi.com
This work introduces a novel numerical method designed to address three-dimensional
unsteady free surface flows incorporating integral viscoelastic constitutive equations …

Rheological transient effects on steady-state contraction flows

KY Pérez-Salas, S Sánchez, R Velasco-Segura… - Rheologica Acta, 2023 - Springer
It may be assumed that the steady-state kinematics of viscoelastic contraction flows depends
on the time-independent rheological properties only. This idea is supported by the large …

[HTML][HTML] Numerical simulation of chemical reactive flow of Boger fluid over a sheet with heat source and local thermal non-equilibrium conditions

M Abbas, N Khan, MS Hashmi, FM Tawfiq, M Inc… - Case Studies in Thermal …, 2024 - Elsevier
In this article, the effect of nonlinear heat source on chemical reactive flow of magnetized
Boger fluid over a sheet with Marangoni convection and porous medium is explored. In the …

[HTML][HTML] Viscoelastic simulations using the closed-form Adaptive Length Scale (ALS-C) model

K Zografos, AM Afonso, RJ Poole - Journal of Non-Newtonian Fluid …, 2022 - Elsevier
In this paper we employ the closed-form of the Adaptive Length Scale Model (ALS-C)[Ghosh
et al.,“A new model for dilute polymer solutions in flows with strong extensional …

Experimental and computational analyses of material flow characteristics in friction stir welding

R Kumar, AK Lal, RP Bharti, V Pancholi - The International Journal of …, 2021 - Springer
In this work, two-dimensional isothermal characteristics of material flow around the
cylindrical tool pin during the friction stir welding (FSW) process are investigated by using …

[HTML][HTML] Numerical simulation of viscoelastic & thixo-viscoelastoplastic complex flows at highly non-linear regimes

JE López-Aguilar - Science Talks, 2022 - Elsevier
Abstract The High Weissenberg Number Problem (HWNP), which is the ceiling posed by the
degree of non-linearity a numerical scheme can resolve in the approximation of the solution …

Editorial for Special Issue “Advances in Experimental and Computational Rheology, Volume II”

MT Cidade, JM Nóbrega - Fluids, 2020 - mdpi.com
Rheology, defined as the science of the deformation and flow of matter, is a multidisciplinary
scientific field, covering both fundamental and applied approaches. The study of rheology …