Publications

121 entries « 1 of 7 »
1.

K. Giannokostas, Moschopoulos

Advanced constitutive modeling of the thixotropic elasto-visco-plastic behavior of blood: Description of the model and rheological predictions Journal Article

In: Materials , 13(18) , pp. 4184, 2020.

Abstract | Links | BibTeX | Tags: blood, blood relaxation time, blood viscoelasticity, constitutive modeling, elastoviscoplastic, extensional rheometry, hemorheology, LAOS, personalize parametrization, shear rheometry, TEVP, thixotropic index, thixotropy

2.

P. Moschopoulos, Syrakos

Dynamics of viscoplastic filament stretching Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, 284 (104371), 2020.

Abstract | Links | BibTeX | Tags: Filament stretching, Penalized Augmented Langrangian method, Pinching dynamics, Slender filament-2D comparison, viscoplastic materials

3.

S. Varchanis, Syrakos

PEGAFEM-V: A new petrov-galerkin finite element method for free surface viscoelastic flows Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, 284 , pp. 104365, 2020.

Abstract | Links | BibTeX | Tags: finite element method, free surface, petrov-galerkin, Viscoelastic flows

4.

Simon J. Haward Stylianos Varchanis, Cameron C. Hopkins; Tsamopoulos, John

Transition between solid and liquid state of yield-stress fluids under purely extensional deformations Journal Article

In: PNAS (Proceedings of the National Academy of Sciences of the United States of America), 117 (23) , pp. 12611-12617, 2020.

Abstract | Links | BibTeX | Tags: elastoviscoplastic materials, extensional flow, viscoplastic materials, yield strain, Yield stress

5.

S. Varchanis, Hopkins

Asymmetric flows of complex fluids past confined cylinders: A comprehensive numerical study with experimental validation Journal Article

In: Physics of Fluids, 32(5) (0008783), 2020.

Abstract | Links | BibTeX | Tags: Complex fluids, Flow instabilities, Fluid dynamics, Fluid flows, Rheological properties, Shear thinning, Velocimetry, Viscoelastic flows, Viscosity

6.

Pettas, D; Dimakopoulos, Y; Tsamopoulos, J

Steady flow of a viscoelastic film over an inclined plane featuring periodic slits Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, pp. 104243, 2020, ISSN: 0377-0257.

Abstract | Links | BibTeX | Tags: Cassie-Baxter state, flow hysteresis, flow over variable topography, hydrophilic surfaces, Viscoelastic films, wetting length

7.

Moschopoulos, P; Dimakopoulos, Y; Tsamopoulos, J

Electro-osmotic flow of electrolyte solutions of PEO in microfluidic channels Journal Article

In: Journal of Colloid and Interface Science, 563 , pp. 381-393, 2020, ISSN: 00219797, (cited By 0).

Abstract | Links | BibTeX | Tags: Chain scission criterion, Electro-osmosis, Electrolytic solution, Microchannel, Polyethylene oxide, Polymeric Depletion Layer (PDL)

8.

Syrakos, A; Dimakopoulos, Y; Tsamopoulos, J

A finite volume method for the simulation of elastoviscoplastic flows and its application to the lid-driven cavity case Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, 275 , 2020, ISSN: 03770257, (cited By 0).

Abstract | Links | BibTeX | Tags: Benchmark problem, Carbopol, Elastoviscoplastic flow, Finite Volume method, Flow cessation, Lid-driven cavity

9.

Pettas, D; Karapetsas, G; Dimakopoulos, Y; Tsamopoulos, J

Viscoelastic film flows over an inclined substrate with sinusoidal topography. II. Linear stability analysis Journal Article

In: Physical Review Fluids, 4 (8), 2019, ISSN: 2469990X, (cited By 1).

Abstract | Links | BibTeX | Tags:

10.

Pettas, D; Karapetsas, G; Dimakopoulos, Y; Tsamopoulos, J

Viscoelastic film flows over an inclined substrate with sinusoidal topography. I. Steady state Journal Article

In: Physical Review Fluids, 4 (8), 2019, ISSN: 2469990X, (cited By 1).

Abstract | Links | BibTeX | Tags:

11.

Corato, M De; Dimakopoulos, Y; Tsamopoulos, J

The rising velocity of a slowly pulsating bubble in a shear-thinning fluid Journal Article

In: Physics of Fluids, 31 (8), 2019, ISSN: 10706631, (cited By 1).

Abstract | Links | BibTeX | Tags:

12.

Varchanis, S; Makrigiorgos, G; Moschopoulos, P; Dimakopoulos, Y; Tsamopoulos, J

Modeling the rheology of thixotropic elasto-visco-plastic materials Journal Article

In: Journal of Rheology, 63 (4), pp. 609-639, 2019, ISSN: 01486055, (cited By 1).

Abstract | Links | BibTeX | Tags: elasto-visco-plastic, EVP, materials, rheology, SAOS

13.

Corato, M De; Saint-Michel, B; Makrigiorgos, G; Dimakopoulos, Y; Tsamopoulos, J; Garbin, V

Oscillations of small bubbles and medium yielding in elastoviscoplastic fluids Journal Article

In: Physical Review Fluids, 4 (7), 2019, ISSN: 2469990X, (cited By 1).

Abstract | Links | BibTeX | Tags:

14.

Varchanis, S; Syrakos, A; Dimakopoulos, Y; Tsamopoulos, J

A new finite element formulation for viscoelastic flows: Circumventing simultaneously the LBB condition and the high-Weissenberg number problem Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, 267 , pp. 78-97, 2019, ISSN: 03770257, (cited By 1).

Abstract | Links | BibTeX | Tags: Equal order interpolation, Finite elements, High Weissenberg number problem, Log-conformation, Non-Newtonian fluid simulations, PSPG, SUPG, Viscoelastic fluid flow

15.

Karapetsas, G; Photeinos, D; Dimakopoulos, Y; Tsamopoulos, J

Dynamics and motion of a gas bubble in a viscoplastic medium under acoustic excitation Journal Article

In: Journal of Fluid Mechanics, 865 , pp. 381-413, 2019, ISSN: 00221120, (cited By 2).

Abstract | Links | BibTeX | Tags: bubble dynamics

16.

Dimakopoulos, Y; Makrigiorgos, G; Georgiou, G C; Tsamopoulos, J

The PAL (Penalized Augmented Lagrangian) method for computing viscoplastic flows: A new fast converging scheme Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, 256 , pp. 23-41, 2018, ISSN: 03770257, (cited By 13).

Abstract | Links | BibTeX | Tags: Augmented Lagrangian method, Bubble rise, Filament, Lid-driven cavity, Papanastasiou regularization; Penalty method, stretching, Viscoplastic fluids

17.

Syrakos, A; Dimakopoulos, Y; Tsamopoulos, J

Theoretical study of the flow in a fluid damper containing high viscosity silicone oil: Effects of shear-thinning and viscoelasticity Journal Article

In: Physics of Fluids, 30 (3), 2018, ISSN: 10706631, (cited By 8).

Abstract | Links | BibTeX | Tags:

18.

Varchanis, S; Dimakopoulos, Y; Tsamopoulos, J

Evaluation of tube models for linear entangled polymers in simple and complex flows Journal Article

In: Journal of Rheology, 62 (1), pp. 25-47, 2018, ISSN: 01486055, (cited By 9).

Abstract | Links | BibTeX | Tags:

19.

Varchanis, S; Dimakopoulos, Y; Wagner, C; Tsamopoulos, J

How viscoelastic is human blood plasma? Journal Article

In: Soft Matter, 14 (21), pp. 4238-4251, 2018, ISSN: 1744683X, (cited By 14).

Abstract | Links | BibTeX | Tags:

20.

Varchanis, S; Dimakopoulos, Y; Tsamopoulos, J

Steady film flow over a substrate with rectangular trenches forming air inclusions Journal Article

In: Physical Review Fluids, 2 (12), 2017, ISSN: 2469990X, (cited By 7).

Abstract | Links | BibTeX | Tags:

121 entries « 1 of 7 »