Mixed finite element methods for viscoelastic flow analysis: a review

FPT Baaijens - Journal of Non-Newtonian Fluid Mechanics, 1998 - Elsevier
The progress made during the past decade in the application of mixed finite element
methods to solve viscoelastic flow problems using differential constitutive equations is …

50 Years of the K‐BKZ Constitutive Relation for Polymers

E Mitsoulis - International Scholarly Research Notices, 2013 - Wiley Online Library
The K‐BKZ constitutive model is now 50 years old. The paper reviews the connections of the
model and its variants with continuum mechanics and experiment, presenting an up‐to‐date …

Printability, microstructure, and flow dynamics of phase-separated edible 3D inks

SM Oliveira, LH Fasolin, AA Vicente, P Fuciños… - Food …, 2020 - Elsevier
Personalizing the nutrition and sensorial attributes of 3D printed foods primarily requires
various multiscale properties to be individually tailored. Herein, multiscale inks are produced …

Yielding the yield stress analysis: A thorough comparison of recently proposed elasto-visco-plastic (EVP) fluid models

D Fraggedakis, Y Dimakopoulos… - Journal of Non-Newtonian …, 2016 - Elsevier
We examine and compare five constitutive models, which have been recently proposed to
describe the behavior of elasto-visco-plastic fluids. The comparison is performed in simple …

Bagley correction: the effect of contraction angle and its prediction

E Mitsoulis, SG Hatzikiriakos - Rheologica Acta, 2003 - Springer
The excess pressure losses due to end effects (mainly entrance) in the capillary flow of a
branched polypropylene melt were studied both experimentally and theoretically. These …

A finite element method for computing the flow of multi-mode viscoelastic fluids: comparison with experiments

C Béraudo, A Fortin, T Coupez, Y Demay… - Journal of non …, 1998 - Elsevier
The numerical computation of viscoelastic fluid flows with differential constitutive equations
presents various difficulties. The first one lies in the numerical convergence of the complex …

Extrudate swell of a high-density polyethylene melt: II. Modeling using integral and differential constitutive equations

VK Konaganti, M Ansari, E Mitsoulis… - Journal of Non …, 2015 - Elsevier
The extrudate swell phenomenon of a high-molecular-weight HDPE is modeled using the
following viscoelastic constitutive equations: the multi-mode Kaye-Bernstein–Kearsley …

Extensional rheology of linear and branched polymer melts in fast converging flows

YH Wen, CC Wang, GS Cyue, RH Kuo, CH Hsu… - Rheologica Acta, 2023 - Springer
Extensional rheology of a variety of linear and branched polymer melts is investigated using
entry flow measurements and 15: 1 axisymmetric contraction flow simulations. Using a …

Die swell of complex polymeric systems

K Wang - Viscoelasticity-From theory to biological applications, 2012 - books.google.com
Die swell is a common phenomenon in polymer extrusion. When a viscoelastic fluid flows
out of a die, the extrudate diameter is usually greater than the channel size. This is called die …

Entry flow of polyethylene melts in tapered dies

M Ansari, A Alabbas, SG Hatzikiriakos… - International Polymer …, 2010 - degruyter.com
The excess pressure losses due to end effects (mainly entrance) in the capillary flow of
several types of polyethylenes were studied both experimentally and numerically under slip …