Publications

138 entries « 1 of 3 »

2022

Varchanis, S.; Tsamopoulos, J.; Shen, A. Q.; Haward, S. J.

Reduced and increased flow resistance in shear-dominated flows of Oldroyd-B fluids Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 300, 2022, (cited By 0).

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Mitsoulas, V.; Varchanis, S.; Dimakopoulos, Y.; Tsamopoulos, J.

Dynamics and apparent permeability of the glycocalyx layer: Start-up and pulsating shear experiments in silico Journal Article

In: Physical Review Fluids, vol. 7, no. 1, 2022, (cited By 0).

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2021

Giannokostas, K.; Photeinos, D.; Dimakopoulos, Y.; Tsamopoulos, J.

Quantifying the non-Newtonian effects of pulsatile hemodynamics in tubes Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 298, 2021, (cited By 2).

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Moschopoulos, P.; Spyridakis, A.; Varchanis, S.; Dimakopoulos, Y.; Tsamopoulos, J.

The concept of elasto-visco-plasticity and its application to a bubble rising in yield stress fluids Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 297, 2021, (cited By 1).

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Calabrese, V.; Varchanis, S.; Haward, S. J.; Tsamopoulos, J.; Shen, A. Q.

Structure-property relationship of a soft colloidal glass in simple and mixed flows Journal Article

In: Journal of Colloid and Interface Science, vol. 601, pp. 454-466, 2021, (cited By 1).

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Kordalis, A.; Varchanis, S.; Ioannou, G.; Dimakopoulos, Y.; Tsamopoulos, J.

Investigation of the extensional properties of elasto-visco-plastic materials in cross-slot geometries Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 296, 2021, (cited By 1).

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Varchanis, S.; Pettas, D.; Dimakopoulos, Y.; Tsamopoulos, J.

Origin of the Sharkskin Instability: Nonlinear Dynamics Journal Article

In: Physical Review Letters, vol. 127, no. 8, 2021, (cited By 1).

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Varchanis, S.; Kordalis, A.; Dimakopoulos, Y.; Tsamopoulos, J.

Adhesion, cavitation, and fibrillation during the debonding process of pressure sensitive adhesives Journal Article

In: Physical Review Fluids, vol. 6, no. 1, 2021, (cited By 2).

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Giannokostas, K.; Dimakopoulos, Y.; Anayiotos, A.; Tsamopoulos, J.

Advanced constitutive modeling of the thixotropic elasto-visco-plastic behavior of blood: Steady-state blood flow in microtubes Journal Article

In: Materials, vol. 14, no. 2, pp. 1-37, 2021, (cited By 3).

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Marousis, A.; Pettas, D.; Karapetsas, G.; Dimakopoulos, Y.; Tsamopoulos, J.

Stability analysis of viscoelastic film flows over an inclined substrate with rectangular trenches Journal Article

In: Journal of Fluid Mechanics, vol. 915, 2021, (cited By 0).

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

Erratum: Modelling the rheology of thixotropic elasto-visco-plastic materials (Journal of Rheology 63:4 (609-639) (2019) DOI: 10.1122/1.5049136) Journal Article

In: Journal of Rheology, vol. 65, no. 1, pp. 75, 2021, (cited By 0).

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2020

Moschopoulos, P.; Syrakos, A.; Dimakopoulos, Y.; Tsamopoulos, J.

Dynamics of viscoplastic filament stretching Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 284, 2020, (cited By 3).

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

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

In: Journal of Non-Newtonian Fluid Mechanics, vol. 284, 2020, (cited By 8).

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

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

In: Materials, vol. 13, no. 18, 2020, (cited By 13).

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Varchanis, S.; Haward, S. J.; Hopkins, C. C.; Syrakos, A.; Shen, A. Q.; Dimakopoulos, Y.; Tsamopoulos, J.

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

In: Proceedings of the National Academy of Sciences of the United States of America, vol. 117, no. 23, pp. 12611-12617, 2020, (cited By 16).

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

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

In: Physics of Fluids, vol. 32, no. 5, 2020, (cited By 17).

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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, vol. 278, 2020, (cited By 4).

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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, vol. 563, pp. 381-393, 2020, (cited By 9).

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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, vol. 275, 2020, (cited By 5).

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2019

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, vol. 4, no. 8, 2019, (cited By 6).

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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, vol. 4, no. 8, 2019, (cited By 9).

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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, vol. 31, no. 8, 2019, (cited By 4).

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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, vol. 4, no. 7, 2019, (cited By 8).

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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, vol. 63, no. 4, pp. 609-639, 2019, (cited By 27).

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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, vol. 267, pp. 78-97, 2019, (cited By 22).

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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, vol. 865, pp. 381-413, 2019, (cited By 6).

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2018

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, vol. 256, pp. 23-41, 2018, (cited By 27).

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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, vol. 30, no. 3, 2018, (cited By 21).

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

How viscoelastic is human blood plasma? Journal Article

In: Soft Matter, vol. 14, no. 21, pp. 4238-4251, 2018, (cited By 45).

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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, vol. 62, no. 1, pp. 25-47, 2018, (cited By 23).

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2017

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

A critical analysis of some popular methods for the discretisation of the gradient operator in finite volume methods Journal Article

In: Physics of Fluids, vol. 29, no. 12, 2017, (cited By 34).

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Varchanis, S.; Dimakopoulos, Y.; Tsamopoulos, J.

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

In: Physical Review Fluids, vol. 2, no. 12, 2017, (cited By 16).

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Martino, E.; Koilias, G.; Athanasiou, M.; Katsaounis, A.; Dimakopoulos, Y.; Tsamopoulos, J.; Vayenas, C. G.

Experimental investigation and mathematical modeling of triode PEM fuel cells Journal Article

In: Electrochimica Acta, vol. 248, pp. 518-533, 2017, (cited By 5).

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Fraggedakis, D.; Papaioannou, J.; Dimakopoulos, Y.; Tsamopoulos, J.

Discretization of three-dimensional free surface flows and moving boundary problems via elliptic grid methods based on variational principles Journal Article

In: Journal of Computational Physics, vol. 344, pp. 127-150, 2017, (cited By 14).

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

On the degree of wetting of a slit by a liquid film flowing along an inclined plane Journal Article

In: Journal of Fluid Mechanics, vol. 820, pp. 5-41, 2017, (cited By 9).

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Mitsoulis, E.; Tsamopoulos, J.

Numerical simulations of complex yield-stress fluid flows Journal Article

In: Rheologica Acta, vol. 56, no. 3, pp. 231-258, 2017, (cited By 72).

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Karapetsas, G.; Lampropoulos, N. K.; Dimakopoulos, Y.; Tsamopoulos, J.

Transient flow of gravity-driven viscous films over 3D patterned substrates: conditions leading to Wenzel, Cassie and intermediate states Journal Article

In: Microfluidics and Nanofluidics, vol. 21, no. 2, 2017, (cited By 11).

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2016

Fraggedakis, D.; Dimakopoulos, Y.; Tsamopoulos, J.

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

In: Journal of Non-Newtonian Fluid Mechanics, vol. 238, pp. 170-188, 2016, (cited By 15).

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Fraggedakis, D.; Dimakopoulos, Y.; Tsamopoulos, J.

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

In: Journal of Non-Newtonian Fluid Mechanics, vol. 236, pp. 104-122, 2016, (cited By 31).

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Pavlidis, M.; Karapetsas, G.; Dimakopoulos, Y.; Tsamopoulos, J.

Steady viscoelastic film flow over 2D Topography: II. The effect of capillarity, inertia and substrate geometry Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 234, pp. 201-214, 2016, (cited By 13).

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Syrakos, A.; Dimakopoulos, Y.; Georgiou, G. C.; Tsamopoulos, J.

Viscoplastic flow in an extrusion damper Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 232, pp. 102-124, 2016, (cited By 12).

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Lampropoulos, N. K.; Dimakopoulos, Y.; Tsamopoulos, J.

Transient flow of gravity-driven viscous films over substrates with rectangular topographical features Journal Article

In: Microfluidics and Nanofluidics, vol. 20, no. 3, pp. 1-24, 2016, (cited By 10).

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Tsouka, S.; Dimakopoulos, Y.; Tsamopoulos, J.

Stress-gradient induced migration of polymers in thin films flowing over smoothly corrugated surfaces Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 228, pp. 79-95, 2016, (cited By 7).

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Fraggedakis, D.; Pavlidis, M.; Dimakopoulos, Y.; Tsamopoulos, J.

On the velocity discontinuity at a critical volume of a bubble rising in a viscoelastic fluid Journal Article

In: Journal of Fluid Mechanics, vol. 789, pp. 310-346, 2016, (cited By 53).

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Fraggedakis, D.; Dimakopoulos, Y.; Tsamopoulos, J.

Yielding the yield-stress analysis: A study focused on the effects of elasticity on the settling of a single spherical particle in simple yield-stress fluids Journal Article

In: Soft Matter, vol. 12, no. 24, pp. 5378-5401, 2016, (cited By 72).

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2015

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

On the origin of extrusion instabilities: Linear stability analysis of the viscoelastic die swell Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 224, pp. 61-77, 2015, (cited By 24).

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Dimakopoulos, Y.; Kelesidis, G.; Tsouka, S.; Georgiou, G. C.; Tsamopoulos, J.

Hemodynamics in stenotic vessels of small diameter under steady state conditions: Effect of viscoelasticity and migration of red blood cells Journal Article

In: Biorheology, vol. 52, no. 3, pp. 183-210, 2015, (cited By 21).

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Fraggedakis, D.; Kouris, C.; Dimakopoulos, Y.; Tsamopoulos, J.

Flow of two immiscible fluids in a periodically constricted tube: Transitions to stratified, segmented, churn, spray, or segregated flow Journal Article

In: Physics of Fluids, vol. 27, no. 8, pp. 082102, 2015, (cited By 11).

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2014

Papaioannou, J.; Giannousakis, A.; Dimakopoulos, Y.; Tsamopoulos, J.

Bubble deformation and growth inside viscoelastic filaments undergoing very large extensions Journal Article

In: Industrial and Engineering Chemistry Research, vol. 53, no. 18, pp. 7548-7569, 2014, (cited By 21).

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2013

Dimakopoulos, Y.; Pavlidis, M.; Tsamopoulos, J.

Steady bubble rise in Herschel-Bulkley fluids and comparison of predictions via the Augmented Lagrangian Method with those via the Papanastasiou model Journal Article

In: Journal of Non-Newtonian Fluid Mechanics, vol. 200, pp. 34-51, 2013, (cited By 83).

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138 entries « 1 of 3 »