Publications

121 entries « 1 of 7 »
1.

Giannokostas K., Moschopoulos Varchanis Dimakopoulos Tsamopoulos P S Y J

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.

Moschopoulos P., Syrakos Dimakopoulos Tsamopoulos A Y J

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.

Varchanis S., Syrakos Dimakopoulos Tsamopoulos A Y J

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.

Stylianos Varchanis Simon J. Haward, Cameron Hopkins Alexandros Syrakos Amy Shen Yannis Dimakopoulos C Q; 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.

Varchanis S., Hopkins Shen Tsamopoulos Haward C C A Q J S J

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, De M; 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, De M; 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 »