[HTML][HTML] Inelastic and flow-type parameter models for non-Newtonian fluids
RJ Poole - Journal of Non-Newtonian Fluid Mechanics, 2023 - Elsevier
Abstract Generalised Newtonian Fluid (GNF) models which assume that the viscosity of a
non-Newtonian fluid can be modelled inelastically as a time-independent, ie instantaneous …
non-Newtonian fluid can be modelled inelastically as a time-independent, ie instantaneous …
[LIVRE][B] Mathematical modeling for complex fluids and flows
M Deville, TB Gatski - 2012 - books.google.com
Mathematical Modeling for Complex Fluids and Flows provides researchers and
engineering practitioners encountering fluid flows with state-of-the-art knowledge in …
engineering practitioners encountering fluid flows with state-of-the-art knowledge in …
[HTML][HTML] Analysis of the importance of shear-induced elastic stresses in material extrusion
Material extrusion is an additive manufacturing process in which material is selectively
dispensed through a nozzle. In this work, we are focused on fused filament fabrication (FFF) …
dispensed through a nozzle. In this work, we are focused on fused filament fabrication (FFF) …
Numerical simulation of the viscoelastic flow in a three-dimensional lid-driven cavity using the log-conformation reformulation in OpenFOAM®
F Habla, MW Tan, J Haßlberger… - Journal of Non-Newtonian …, 2014 - Elsevier
In this work we implement the log-conformation reformulation for viscoelastic constitutive
equations as proposed by Fattal and Kupferman (2004) in the open-source CFD-software …
equations as proposed by Fattal and Kupferman (2004) in the open-source CFD-software …
On the similarities between the simplified Phan-Thien–Tanner model and the finitely extensible nonlinear elastic dumbbell (Peterlin closure) model in simple and …
For many commonly used viscoelastic constitutive equations, it is well known that the limiting
behavior is that of the Oldroyd-B model. Here, we compare the response of the simplified …
behavior is that of the Oldroyd-B model. Here, we compare the response of the simplified …
An objective perspective for classic flow classification criteria
Quatre critères classiques utilisés pour la classification des écoulements complexes sont
étudiés ici. Ces critères sont utiles pour identifier les régions de l'écoulement liées au …
étudiés ici. Ces critères sont utiles pour identifier les régions de l'écoulement liées au …
On more insightful dimensionless numbers for computational viscoelastic rheology
Abrupt contraction flows involving viscoelastic fluids represent a longstanding computational
challenge within the field of non-Newtonian fluid mechanics. Despite the apparent simplicity …
challenge within the field of non-Newtonian fluid mechanics. Despite the apparent simplicity …
Assessing nozzle flow dynamics in fused filament fabrication through the parametric map α− λ
Polymer rheology profoundly influences the intricate dynamics of material extrusion in fused
filament fabrication (FFF). This numerical study, which uses the Giesekus model fed with a …
filament fabrication (FFF). This numerical study, which uses the Giesekus model fed with a …
Persistence of straining and flow classification
Astarita [J. Non-Newton Fluid Mech. 6 (1979) 69–76] proposed a local and objective
criterion to classify flows. His criterion is not restricted to motions with constant relative …
criterion to classify flows. His criterion is not restricted to motions with constant relative …
Purely elastic flow asymmetries in flow-focusing devices
The flow of a viscoelastic fluid through a microfluidic flow-focusing device is investigated
numerically with a finite-volume code using the upper-convected Maxwell (UCM) and Phan …
numerically with a finite-volume code using the upper-convected Maxwell (UCM) and Phan …