Review on tube model based constitutive equations for polydisperse linear and long-chain branched polymer melts
E Narimissa, MH Wagner - Journal of Rheology, 2019 - pubs.aip.org
Rheological equations of state are of great importance for characterization of polymer melts
and for simulation of polymer processing. This concise review considers tube model based …
and for simulation of polymer processing. This concise review considers tube model based …
Bifurcations in flows of complex fluids around microfluidic cylinders
Flow around a cylinder is a classical problem in fluid dynamics and also one of the
benchmarks for testing viscoelastic flows. The problem is of wide relevance to …
benchmarks for testing viscoelastic flows. The problem is of wide relevance to …
How viscoelastic is human blood plasma?
Blood plasma has been considered a Newtonian fluid for decades. Recent experiments
(Brust et al., Phys. Rev. Lett., 2013, 110) revealed that blood plasma has a pronounced …
(Brust et al., Phys. Rev. Lett., 2013, 110) revealed that blood plasma has a pronounced …
Modeling the rheology of thixotropic elasto-visco-plastic materials
S Varchanis, G Makrigiorgos, P Moschopoulos… - Journal of …, 2019 - pubs.aip.org
To describe the macroscopic rheological behavior of thixotropic elasto-visco-plastic (TEVP)
materials, phenomena that take place in their microstructure must be accounted for. To this …
materials, phenomena that take place in their microstructure must be accounted for. To this …
Asymmetric flows of complex fluids past confined cylinders: A comprehensive numerical study with experimental validation
Three non-Newtonian constitutive models are employed to investigate how fluid rheological
properties influence the development of laterally asymmetric flows past confined cylinders …
properties influence the development of laterally asymmetric flows past confined cylinders …
The concept of elasto-visco-plasticity and its application to a bubble rising in yield stress fluids
P Moschopoulos, A Spyridakis, S Varchanis… - Journal of Non …, 2021 - Elsevier
Based on the original ideas by Oldroyd in 1947, Saramito in 2007 introduced a generally
acceptable model for yield stress fluids that also accounts for their elasticity. We use this …
acceptable model for yield stress fluids that also accounts for their elasticity. We use this …
A finite strain thermodynamically-based constitutive modeling and analysis of viscoelastic-viscoplastic deformation behavior of glassy polymers
In elastic and plastic deformation of glassy polymers and with the increase of deformation,
the material would exhibit elastic, viscoelastic, and viscoelastic-viscoplastic (VE-VP) …
the material would exhibit elastic, viscoelastic, and viscoelastic-viscoplastic (VE-VP) …
Advanced constitutive modeling of the thixotropic elasto-visco-plastic behavior of blood: Description of the model and rheological predictions
K Giannokostas, P Moschopoulos, S Varchanis… - Materials, 2020 - mdpi.com
This work focuses on the advanced modeling of the thixotropic nature of blood, coupled with
an elasto-visco-plastic formulation by invoking a consistent and validated model for TEVP …
an elasto-visco-plastic formulation by invoking a consistent and validated model for TEVP …
A new finite element formulation for viscoelastic flows: Circumventing simultaneously the LBB condition and the high-Weissenberg number problem
In this paper, we propose a new, fully consistent and highly stable finite element formulation
for the simulation of viscoelastic flows. In our method, we have implemented equal order …
for the simulation of viscoelastic flows. In our method, we have implemented equal order …
Structure-property relationship of a soft colloidal glass in simple and mixed flows
Hypothesis Under specific conditions, rod-like cellulose nanocrystals (CNC) can assemble
into structurally ordered soft glasses (SGs) with anisotropy that can be controlled by applying …
into structurally ordered soft glasses (SGs) with anisotropy that can be controlled by applying …