Journal articles


2024

G.C. Florides, G.C. Georgiou, M. Modigell, E.J. Zoqui, Rheological characterization of a thixotropic semisolid slurry by means of numerical simulations of squeeze flow experiments, Fluids 9, 36 (2024).


M. EL Farragui, O. Souhar, G.C. Georgiou, Newtonian annular Poiseuille and Couette flows with dynamic wall slip, Eur. J. Mech. B/Fluids 103, 136-144 (2024).

2023

R.R. Huilgol, G.C. Georgiou, The role of Cheeger sets in the steady flows of viscoplastic fluids in pipes: A survey, Phys. Fluids 35, 103108 (2023).


G.C. Florides, G.C. Georgiou, M. Modigell, E.J. Zoqui, Numerical simulations of the squeeze flow of thixotropic semisolid slurries, Solid State Phenomena 347, 141-146 (2023).


K.D. Housiadas, G.C. Georgiou, The analytical solution for the flow of a Papanastasiou fluid in ducts with variable geometry, J. Non-Newtonian Fluid Mech. 319, 105074 (2023).


C. Lambride, A. Syrakos, G.C. Georgiou, Entrance length estimates for flows of power-law fluids in pipes and channels, J. Non-Newtonian Fluid Mech. 317, 105056 (2023).


G.C. Georgiou, R.R. Huilgol, Cheeger sets and the minimum pressure gradient problem for viscoplastic fluids, J. Non-Newtonian Fluid Mech. 313, 104999 (2023).

2022

E. Gryparis and G.C. Georgiou, Annular Poiseuille flow of Bingham fluids with wall slip, Phys. Fluids 34, 033103 (2022).


A.A. Moud, J. Piette, M. Danesh, G.C. Georgiou, S.G. Hatzikiriakos, Apparent slip in colloidal suspensions, J. Rheology 66(1), 79-90 (2022).

2021

G.C. Georgiou, Simple shear flow of a Herschel-Bulkley fluid with wall slip above a threshold stress, Appl. Eng. Sci. 8, 100068 (2021).


N. Ghahramani, G.C. Georgiou, E. Mitsoulis, S.G. Hatzikiriakos, J.G. Oldroyd's early ideas leading to the modern understanding of wall slip, J. Non-Newtonian Fluid Mech. 293, 104566 (2021).


T.M. Alves, E. Kokinou, M. Ekstr?m, A. Nikolaidis, G.C. Georgiou, A. Miliou, Scientific, societal and pedagogical approaches to tackle the impact of climate change on marine pollution, Scientific Reports 11 , 2927 (2021).

2020

L. Fusi, K.D. Housiadas, G.C. Georgiou, Flow of a Bingham fluid in a pipe of variable radius, J. Non-Newtonian Fluid Mech. 285, 104393 (2020).


R.R. Huilgol, G.C. Georgiou, A fast numerical scheme for the Poiseuille flow in a concentric annulus, J. Non-Newtonian Fluid Mech. 285, 104401 (2020).


R. Pitsillou, G.C. Georgiou, R.R. Huilgol, On the use of the Lambert function in solving non-Newtonian flow problems, Physics of Fluids 32, 093101 (2020).


K.D. Housiadas, G.C. Georgiou, Editorial: 9th International Meeting of the Hellenic Society of Rheology, J. Non-Newtonian Fluid Mech. 280, 104299 (2020).


R. Pitsillou, A. Syrakos, G.C. Georgiou, Application of the Lambert W function to steady shearing Newtonian flows with logarithmic wall slip, Physics of Fluids 32, 053107 (2020).


M.S. Abou-Dina, M.A. Helal, A. Ghaleb, G. Kaoullas, G.C. Georgiou, Newtonian plane Couette flow with dynamic wall slip, Meccanica 55, 1499-1507 (2020).

2019

Y. Damianou, P. Panaseti, G.C. Georgiou, Viscoplastic Couette flow in the presence of wall slip with non-zero slip yield stress, Materials 12(21), 3574 (2019).


I. Ioannou, G.C. Georgiou, Annular pressure-driven flow of a Bingham plastic with pressure-dependent rheological parameters, Rheol. Acta 58, 699-707 (2019).


G. Nikolaidis, A. Matsikaris, A. Karaolia, A. Nikolaidis, M. Nicolaides, G.C. Georgiou, Blue energy potential analysis in the Mediterranean, Front. Energy Res. - Energy Systems and Policy 7, Article 62 (2019).


R.R. Huilgol, A.N. Alexandrou, G.C. Georgiou, Start-up plane Poiseuille flow of a Bingham fluid, J. Non-Newtonian Fluid Mech. 265, 133-139 (2019).


P. Panaseti, G.C. Georgiou, I. Ioannou, Lubrication solution of the flow of a Herschel-Bulkley fluid with pressure-dependent rheological parameters in an asymmetric channel, Physics of Fluids 31(2), 023106 (2019).

2018

P.S. Stephanou, G.C. Georgiou, A nonequilibrium thermodynamics perspective of yield stress fluids, J. Chem. Phys. 149, 244902 (2018).


G.C. Georgiou, In Memoriam: Andreas N. Alexandrou (1957-2018), J. Non-Newtonian Fluid Mech. 260, 142-144 (2018).


A.N. Alexandrou, G.C. Georgiou, E.A. Economides, M. Modigell, C. Zang, Determining true material constants of viscoplastic materials from rotational rheometer data, J. Non-Newtonian Fluid Mech. 260, 101-108 (2018).


K.D. Housiadas, I. Ioannou, G.C. Georgiou, Lubrication solution of the axisymmetric Poiseuille flow of a Bingham fluid with pressure-dependent rheological parameters, J. Non-Newtonian Fluid Mech. 260, 76-86 (2018).


I. Ioannou, G.C. Georgiou, Axisymmetric Poiseuille flow of a Bingham plastic with rheological parameters varying linearly with pressure, J. Non-Newtonian Fluid Mech. 259, 16-22 (2018).


S. Kyritsi-Yiallourou, G.C. Georgiou, Newtonian Poiseuille flow in ducts of annular-sector cross sections with Navier slip, European J. Mech. B/Fluids 72, 87-102 (2018).


Y. Dimakopoulos, G. Makrigiorgos, G.C. Georgiou, J. Tsamopoulos, The PAL (Penalized Augmented Lagrangian) Method for Computing Viscoplastic Flows: a New Fast Converging Scheme, J. Non-Newtonian Fluid Mech. 236, 23-51 (2018).


G.C. Georgiou, A.N. Alexandrou, Preface to Special Issue: Papers from HSR 2017 - 8th International Meeting of the Hellenic Society of Rheology, Limassol, Cyprus, July 12-14, 2017, Physics of Fluids 30, 030501 (2018).


P. Panaseti, Y. Damianou, G.C. Georgiou, K.D. Housiadas, Pressure-driven flow of a Herschel-Bulkley fluid with pressure-dependent rheological parameters, Physics of Fluids 30, 030701 (2018).


K.H. Housiadas, G.C. Georgiou, Analytical solution of the flow of a Newtonian fluid with pressure-dependent viscosity in a rectangular duct, Appl. Math. Comp. 322, 123-128 (2018).

2017

Y. Damianou, G.C. Georgiou, On Poiseuille flows of a Bingham plastic with pressure-dependent rheological parameters, J. Non-Newtonian Fluid Mech. 250, 1-7 (2017).


P. Panaseti, G.C. Georgiou, Viscoplastic flow development in a channel with slip along one wall, J. Non-Newtonian Fluid Mech. 248, 8-22 (2017).


M. Philippou, Y. Damianou, X. Miscouridou, G.C. Georgiou, Cessation of Newtonian circular and plane Couette flows with wall slip and non-zero slip yield stress, Meccanica 52, 2081-2099 (2017).


P. Panaseti, A.-L. Vayssade, G.C. Georgiou, and M. Cloitre, Confined viscoplastic flows with heterogeneous wall slip , Rheol. Acta 56, 539-553 (2017).

2016

A.Zupancic Valant, L. Ziberna, Y. Papaharilaou, A. Anayiotos, G.C. Georgiou, The influence of oxygen concentration on the rheological properties and flow of whole human blood, Rheol. Acta 55, 921-933 (2016).


A.N. Alexandrou, G.C. Georgiou, E. Economides, M. Modigell, Determining true material constants of semisolid slurries from rotational rheometer data, Solid State Phenomena 256, 153-172 (2016).


K.D. Housiadas, G.C. Georgiou, New analytical solutions for weakly compressible Newtonian Poiseuille flows with pressure-dependent viscosity, Int. J. Eng. Sci. 107, 13-27 (2016).


Z. Kountouriotis, M. Philippou, G.C. Georgiou, Development lengths in Newtonian Poiseuille flows with wall slip, Appl. Maths. Comp. 291, 98-114 (2016). Appl. Maths Comp. 291, 98-114 (2016).


M. Philippou, Z. Kountouriotis, G.C. Georgiou, Viscoplastic flow development in tubes and channels with wall slip, J. Non-Newtonian Fluid Mech. 234, 69-81 (2016).


G. Kaoullas, G.C. Georgiou, Erratum to: Start-up Newtonian Poiseuille and Couette flows with dynamic wall slip, Meccanica 51, 2025-2026 (2016).


Y. Damianou, G. Kaoullas, G.C. Georgiou, Cessation of viscoplastic Poiseuille flow in a square duct with wall slip, J. Non-Newtonian Fluid Mech. 233, 13-26 (2016).


A. Syrakos, Y. Dimakopoulos, G.C. Georgiou, J. Tsamopoulos, Viscoplastic flow in an extrusion damper, J. Non-Newtonian Fluid Mech. 232, 102-124 (2016).


A. Syrakos, G.C. Georgiou, A.N. Alexandrou, Cessation of the lid-driven cavity flow of Newtonian and Bingham fluids, Rheol. Acta 55, 51-66 (2016).

2015

Y. Dimakopoulos, G. Kelesidis, S.Tsouka, G.C. Georgiou, J. Tsamopoulos, Hemodynamics in stenotic microvessels under steady state conditions. Part I: The non-homogeneous model, J. Biorheology 52(3), 183-210 (2015).


N. Aristokleous, I. Seimenis, G.C. Georgiou, A. Nicolaides, A.S. Anayiotos, The Effect of Head Rotation on the Geometry and Hemodynamics of Healthy Vertebral Arteries, Annals of Biomedical Engineering 43, 1287-1297 (2015).


G. Kaoullas, G.C. Georgiou, Start-up Newtonian Poiseuille and Couette flows with dynamic wall slip, Meccanica 50, 1747-1760 (2015).


A. Syrakos, G.C. Georgiou, A.N. Alexandrou, Thixotropic flow past a cylinder, J. non-Newtonian Fluid Mech. 220, 44-56 (2015).


S. Poyiadji, K.D. Housiadas, K. Kaouri, G.C. Georgiou, Asymptotic solutions of weakly compressible Newtonian Poiseuille flows with pressure-dependent viscosity, European Journal of Mechanics - B/Fluids 49, 217-225 (2015).


K.D. Housiadas, G.C. Georgiou, R.I. Tanner, A note on the unbounded creeping flow past a sphere for Newtonian fluids with pressure-dependent viscosity Int. J. Eng. Sci. 86, 1-9 (2015).


A.N. Alexandrou, G.C. Florides, G. Georgiou, Squeeze flow of thixotropic semisolid slurries, Solid State Phenomena 217-218, 121-129 (2015).

2014

Y. Damianou, G.C. Georgiou, Viscoplastic Poiseuille flow in a rectangular duct with wall slip, J. non-Newtonian Fluid Mech. 214, 88-105 (2014).


Z. Kountouriotis, G.C. Georgiou, E. Mitsoulis, Numerical study of the combined effects of inertia, slip, and compressibility in extrusion of yield stress fluids, Rheol. Acta 53, 791-804 (2014).


M.C. Elliotis, D.C. Charmpis, G.C. Georgiou, The singular function boundary integral method for an elastic plane stress wedge beam problem with a point boundary singularity, Appl. Maths. Comp. 248, 93-100 (2014).


P.S. Stephanou, V.G. Mavratzas, G.C. Georgiou, A continuum model for the phase behavior, microstructure and rheology of unentangled polymer nanocomposite melts, Macromolecules 47, 4493-4513 (2014).


A. Nikolaidis, G. Georgiou, D. Hadjimitsis and E. Akylas, Filling in missing sea-surface temperature satellite data over the Eastern Mediterranean Sea using the DINEOF algorithm, Central European Journal of Geosciences 6, 27-41 (2014).


A. Syrakos, G.C. Georgiou, A.N. Alexandrou, Performance of the finite volume method in solving regularised Bingham flows: Inertia effects in the lid-driven cavity flow J. non-Newtonian Fluid Mech. 208-209, 88-107 (2014).


N. Aristokleous, I. Seimenis, G.C. Georgiou, Y. Papaharilaou, B.C. Brott, A.S. Anayiotos, Impact of head rotation on the individualized common carotid flow and carotid bifurcation hemodynamics, IEEE Journal of Biomedical and Health Informatics 18(3), 783-789 (2014).


G. Zodiatis, G. Galanis, A. Nikolaidis, C. Kalogeri, D. Hayes, G.C. Georgiou, P.C. Chu, and G. Kallos, Wave Energy Potential in the Eastern Mediterranean Levantine Basin. An integrated 10-year study, Renewable Energy 69, 311-323 (2014).


Y. Damianou, M. Philippou, G. Kaoullas, G.C. Georgiou, Cessation of viscoplastic Poiseuille flow with wall slip, J. non-Newtonian Fluid Mech. 203, 24-37 (2014).

2013

G.C. Georgiou, G. Kaoullas, Newtonian flow in a triangular duct with slip at the wall, Meccanica 48, 2577-2583 (2013).


C.I. Siettos, Y. De Decker, G.C. Georgiou, Editorial: Complex Systems Modelling, Analysis, and Control, J. Applied Mathematics Volume 2013, Article ID 508176 (2013).


G. Kaoullas, G. C. Georgiou, Slip yield stress effects in start-up Newtonian Poiseuille flows, Rheol. Acta 52, 913-925 (2013).


G. Kaoullas, G.C. Georgiou, Newtonian Poiseuille flows with wall slip and non-zero slip yield stress, J. Non-Newtonian Fluid Mech. 197, 24-30 (2013).


Y. Papaharilaou, N. Aristokleous, I. Seimenis, M.I. Khozeymeh, G.C. Georgiou, B.C. Brott, E. Eracleous, A.S. Anayiotos, Effect of head Posture on the healthy human carotid bifurcation hemodynamics, Journal of Medical and Biological Engineering and Computing 51, 207-218 (2013).


A. Syrakos, G.C. Georgiou, A.N. Alexandrou, Solution of the square lid-driven cavity flow of a Bingham plastic using the finite volume method, J. Non-Newtonian Fluid Mech. 195, 19-31 (2013).


A.N. Alexandrou, G.C. Florides, G.C. Georgiou, Squeeze flow of semi-solid slurries, J. Non-Newtonian Fluid Mech. 193, 103-115 (2013).


Y. Damianou, G.C. Georgiou, I. Moulitsas, Combined effects of compressibility and slip in flows of a Herschel-Bulkley fluid, J. Non-Newtonian Fluid Mech. 193, 89-102 (2013).


P. Panaseti, K.D. Housiadas, G.C. Georgiou, Newtonian Poiseuille flows with pressure-dependent slip, J. Rheology 57, 315-332 (2013).


Z. Kountouriotis, G.C. Georgiou, and E. Mitsoulis, On the combined effects of slip, compressibility, and inertia on the Newtonian extrudate-swell flow problem, Computers and Fluids 71, 297-305 (2013).


A.N. Alexandrou, G.C. Florides, G.C. Georgiou, Squeeze Flow of Semi-Solid Slurries, Solid-State Phenomena 192-193, 263-268 (2013).

2012

E.C. Christodoulou, M. Elliotis, C. Xenophontos, and G.C. Georgiou, The Singular Function Boundary Integral Method for 3-D Laplacian problems with a boundary straight-edge singularity, Applied Mathematics Computations 219, 1073-1081 (2012). Applied Mathematics Computations 219, 1073-1081 (2012)


S. Poyiadji, G.C. Georgiou, K. Kaouri, K.D. Housiadas, Perturbation solutions of weakly compressible Newtonian Poiseuille flows with Navier slip at the wall, Rheol. Acta 51, 497-510 (2012).


K.D. Housiadas, G.C. Georgiou, I.G. Mamoutos, Laminar axisymmetric flow of a weakly compressible viscoelastic fluid, Rheol. Acta 51, 511-526 (2012).


E. Christodoulou, M. Elliotis, G. Georgiou, and C. Xenophontos, Analysis of the Singular Function Boundary Integral Method for a biharmonic problem with one boundary singularity, Numerical Methods for Partial Differential Equations 28, 749-767 (2012).


E. Mitsoulis, G.C. Georgiou, and Z. Kountouriotis, A study of various factors affecting Newtonian extrudate swell, Computers and Fluids 57, 195-207 (2012).

2011

A. Alexandrou, G.C. Georgiou, G. Ovarlez, Viscoplastic Fluids: From Theory to Application (VPF2009), Limassol, Cyprus, 1-5 November, 2009 Rheol. Acta 50, 303-306 (2011).


A. Zupancic-Valant, M. Lunder, L. Ziberna, Y. Papaharilaou, A. Anayiotos, G.C. Georgiou, The influence of temperature on rheological properties of blood mixtures with different volume expanders / implications in numerical modelling of arterial hemodynamics simulations, Rheol. Acta 50, 389-402 (2011).


A. Kalogirou, S. Poyiadji, G.C. Georgiou, Incompressible Poiseuille flows of Newtonian liquids with a pressure/dependent viscosity, J. Non-Newtonian Fluid Mech. 166, 413-419 (2011).


N. Aristokleous, I. Seimenis, Y. Papaharilaou, G. Georgiou, B.C. Brott, A.S. Anayiotos, Effect of posture change on the geometric features of the healthy carotid bifurcation, IEEE Trans. Information Tech. Biomedice 15, 148-154 (2011).


G. Coppini, M. De Dominicis, G. Zodiatis, R. Lardner, N. Pinardi, R. Santoleri, S. Colella, F. Bignami, D.R. Hayes, D. Soloviev, G. Georgiou, G. Kallos, Hindcast of oil spill pollution during the Lebanon crisis, July-August 2006, Marine Pollution Bulletin 62, 140-153 (2011).


K.D. Housiadas, G.C. Georgiou, Perturbation solution of Poiseuille flow of a weakly compressible Oldroyd/B fluid, J. Non-Newtonian Fluid Mech. 166, 73-92 (2011).

2010

L. Muravleva, E. Muravleva, G.C. Georgiou, E. Mitsoulis, Unsteady circular Couette flow of a Bingham plastic with the AugmentedLagrangian Method, Rheol. Acta 49, 1197-1206 (2010).


E. Christodoulou, C. Xenophontos, G.C. Georgiou, The Singular Function Boundary Integral Method for singular Laplacian problems over circular sections, Appl. Math. Comp. 217, 2773-2787 (2010).


M. Elliotis, E. Christodoulou, G. Georgiou and C. Xenophontos, The singular function boundary integral method for a 3-D Laplacian problem with an edge singularity, in Recent Developments in Boundary Element Methods (A volume to honour John T. Katsikadelis), E.J. Sapountzakis (Ed.), WIT Press, Southampton, pp. 31-42 (2010).


C. Xenophontos, E. Christodoulou, G. Georgiou, The Singular Function Boundary Integral Method for Laplacian problems with boundary singularities in two and three dimensions, Procedia Computer Science 1, 2583-2591 (2010).


M. Neophytou, S. Pourgouri, A.D. Kanellopoulos, M.F. Petrou, I. Ioannou, G. Georgiou, A. Alexandrou, Determination of the rheological parameters of self-compacting concrete matrix using the slump flow test, Appl. Rheology 20, 62402 (2010).


S.R. Joseph, L.M. Joseph and G.C. Georgiou, Perturbation solution of compressible annular Poiseuille flow of a viscous fluid, J. Non-Newtonian Fluid Mech. 165, 676-680 (2010).


L. Muravleva, E. Muravleva, G.C. Georgiou, E. Mitsoulis, Numerical simulations of cessation flows of a Bingham plastic with the Augmented Lagrangian Method, J. Non-Newtonian Fluid Mech. 165, 544-550 (2010).

2009

E.G. Taliadorou, M. Neophytou, and G.C. Georgiou, Perturbation solutions of Poiseuille flows of wekaly compressible Newtonian liquids, J. Non-Newtonian Fluid Mech. 158, 162-169 (2009).


I. Moulitsas and G. Georgiou, Steady flow of a two-dimensional liquid curtain under pressure, Eng. Appl. Comp. Fluid Mech. 3(2), 271-276 (2009).


A.N. Alexandrou, N. Constantinou, and G. Georgiou, Shear rejuvenation, aging and shear badning in yield stress fluids, J. Non-Newtonian Fluid Mech. 163, 25/34 (2009).


E. Taliadorou, G.C. Georgiou, and I. Moulitsas, Weakly compressible Poiseuille flows of a Herschel-Bulkley fluid, J. Non-Newtonian Fluid Mech. 158, 162-169 (2009).


E. Christodoulou, C. Xenophontos, and G. Georgiou, The singular function boundary integral method for elliptic problems with boundary singularities, in Recent Advances in Boundary Element Methods, G.D. Manolis and D. Polyzos (Eds.), Springer Science+Business B.V., pp. 43-56 (2009).


M. Chatzimina, G. Georgiou, K. Housiadas, and S.G. Hatzikiriakos, Stability of the annular Poiseuille flow of a Newtonian liquid with slip along the walls, J. Non-Newtonian Fluid Mech. 159, 1-9 (2009).


M. Chatzimina, G. Georgiou and A.N. Alexandrou, Circular Couette flows of viscoplastic fluids, Appl. Rheol. 19:3, 34288 (2009).

2008

A.N. Alexandrou, N. Constantinou, and G. Georgiou, ``Predictions of structure breakdown, buildup and shear banding in semisolid suspensions,'' Sol. St. Phen. 141-143, 313-318 (2008).


M.E. Kavousanakis, L. Russo, C.I. Siettos, A.G. Boudouvis, and G.C. Georgiou, ``A timestepper approach for the systematic bifurcation and stability analysis of polymer extrusion dynamics,'' J. Non-Newtonian Fluid Mechanics 151, 59-68 (2008).


G. Zodiatis, R. Lardner, D.R. Hayes, G. Georgiou, S. Sofianos, N. Skliris, and A. A. Lascaratos, ``Operational ocean forecasting in the Eastern Mediterranean: implementation and evaluation,'' Ocean. Sci. 4, 31-47 (2008).


O. Delgadillo-Vel�zquez, G. Georgiou, M. Sentmanat and S.G. Hatzikiriakos, ``Sharkskin and oscillating melt fracture: Why in slit and capillary dies and not in annular dies,'' Polymer Eng. Sci 48, 405-414 (2008).


E. Taliadorou, G. Georgiou and E. Mitsoulis, ``Numerical simulation of the extrusion of strongly compressible Newtonian liquids,'' Rheol. Acta 47, 49-62 (2008).

2007

EDITORIAL: D. Vlassopoulos, G. Georgiou and H.H. Winter, ``3rd Annual European Rheology Conference (AERC 2006), Hersonisos, Crete, Greece, 27-29 April 2006,'' Rheol. Acta 46, 539 (2007).


EDITORIAL: D. Vlassopoulos and G. Georgiou, ``3rd Annual European Rheology Conference (AERC 2006), Hersonisos, Crete, Greece, 27-29 April 2006,'' J. Non-Newtonian Fluid Mechanics 146, 1-2 (2007).


E. Taliadorou, G. Georgiou and A.N. Alexandrou, ``A two-dimensional numerical study of the stick-slip extrusion instability,'' J. Non-Newtonian Fluid Mechanics 146, 30-44 (2007).


G.C. Florides, A.N. Alexandrou and G. Georgiou, Flow development in compression of a finite amount of a Herchel-Bulkley fluid, J. Non-Newtonian Fluid Mechanics 143, 38-47 (2007).


A.N. Alexandrou and G. Georgiou, ``On the early breakdown of semisolid suspensions,'' J. Non-Newtonian Fluid Mechanics 142, 199-206 (2007).


M. Chatzimina, C. Xenophontos, G. Georgiou, I. Argyropaidas and E. Mitsoulis, ``Cessation of annular Poiseuille flows of Bingham plastics,'' J. Non-Newtonian Fluid Mechanics 142, 135-142 (2007).


M. Elliotis, G. Georgiou, and C. Xenophontos, ``The singular function boundary integral method for biharmonic problems with crack singularities,'' Engineering Analysis with Boundary Elements 31, 209-215 (2007).

2006

A. Alexandrou, G. Georgiou, N. Tonmukayakul and D. Apelian, ``Parameter estimation for semi-solid alloys using transient experiments,'' Sol. St. Phen. 116-117, 429-432 (2006).


E. Taliadorou, G. Georgiou and A. Alexandrou, ``Two-dimensional simulations of the effect of the reservoir region on the pressure oscillations observed in the stick-slip instability regime,'' Int. J. Appl. Mech. Eng. 11, 245-254 (2006).


C. Xenophontos, M. Elliotis, and G. Georgiou, ``A singular function boundary integral method for Laplacian problems with boundary singularities,'' SIAM J. Sci. Comp. 28, 517-532 (2006).


Z.C. Li, Y.L. Chan, G.C. Georgiou and C. Xenophontos, ``Special boundary approximation methods for Laplace equation problems with boundary singularities,'' Comp. Maths. Appl. 51, 115-142 (2006).


M. Elliotis, G. Georgiou, and C. Xenophontos, ``The singular function boundary integral method for a two-dimensional fracture problem,'' Engineering Analysis with Boundary Elements 30, 100-106 (2006).


G. Zodiatis, R. Lardner, D.R. Hayes, G. Georgiou, S. Sofianos, N. Skliris, A. Lascaratos, ``Operational coastal ocean forecasting in the Eastern Mediterranean: implementation and evaluation,'' Ocean Sci. Discuss. 3, 397-434 (2006).


S.S. Sofianos, N. Sklirism, A. Mantziafou, A. Lascaratos, G. Zodiatis, R. Lardner, D. Hayes and G. Georgiou, ``Nesting operational forecasting models in the Eastern Mediterranean: active and slave mode,'' Ocean Sci. Discuss. 3, 1225-1254 (2006).

2005

M. Elliotis G. Georgiou, and C. Xenophontos, ``Solving Laplacian problems with boundary singularities: A comparison of a singular function boundary integral method with the $p/hp$ version of the finite element method,'' Appl. Math. Comput., 169, 485-499 (2005).


M. Chatzimina, G. Georgiou, I. Argyropaidas, E. Mitsoulis, and R.R. Huilgol, ``Cessation of Couette and Poiseuille flows of a Bingham plastic and finite stopping times,'' J. Non-Newtonian Fluid Mechanics 129, 117-127 (2005).


M. Elliotis, G. Georgiou, and C. Xenophontos, ``Solution of the planar Newtonian stick-slip problem with the singular function boundary integral method,'' Int. J. Numer. Methods Fluids 48, 1000-1021 (2005).

2004

G. Georgiou, Stick-slip instability. Chapter 7 in Polymer Processing Instabilities: Control and Understanding, S.G. Hatzikiriakos and K. Migler (Eds.), Mercel Dekker, Inc., pp. 161-206, 2004.

2003

A. Alexandrou, P. Le Menn, G. Georgiou and V. Evtov, ``Flow Instabilities in Herschel-Bulkley Fluids,'' J. Non-Newtonian Fluid Mech., 116, 19-32 (2003).


C.N. Costa, S.G. Christou, G. Georgiou and A. Efstathiou, ``Mathematical modeling of the Oxygen storage capacity phenomenon measured by CO pulse transient experiments over Pd/CeO2 catalyst,'' J. Catalysis 219, 259-272 (2003).


G. Georgiou, ``Annular liquid jets at high Reynolds numbers,'' Int. J. Numer. Methods Fluids 42, 117-130 (2003).


G. Georgiou, ``The time-dependent, compressible Poiseuille and extrudate-swell flows of a Carreau fluid with slip at the wall,'' J. Non-Newtonian Fluid Mech., 109, 93-114 (2003).


G. Zodiatis, R. Lardner, G. Georgiou, E. Demirov, G. Manzella, and N. Pinardi, ``An operational European Global Ocean Observing System for the Eastern Mediterranean Levantine Basin: The Cyprus Coastal Ocean Forecasting and Observing System,'' MTS Journal 37, 115-123 (2003).


G. Zodiatis, R. Lardner, A. Lascaratos, G. Georgiou, G. Korres, and M. Syrimis, ``High resolution nested forecasting model for the Cyprus, NE Levantine Basin, Eastern Mediterranean Sea,'' Annales Geophysicae 21, 221-236 (2003).


G. Zodiatis, R. Lardner, G. Georgiou, E. Demirov, N. Pinardi, and G. Manzella, ``The Cyprus Coastal Ocean Forecasting and Observing System,'' Sea Technology, October 2003, 10-16 (2003).

2002

E. Achilleos, G. Georgiou, and S.G. Hatzikiriakos, ``On numerical simulations of polymer extrusion instabilities,'' Applied Rheology 12:2, 88-104 (2002).


Ch. Kouris, Y. Dimakopoulos, G. Georgiou, and J. Tsamopoulos, Comparison of spectral and finite element methods applied to the study of interfacial instabilities of the fully developed core-annular flow in an undulating tube, Int. J. Numer. Methods Fluids 39, 41-73 (2002).


E. Achilleos, G. Georgiou, and S.G. Hatzikiriakos, ``The role of processing aids in the extrusion of polymer melts,'' J. Vinyl & Additive Technology 8(1), 7-24 (2002).


A. Poullikkas, A. Karageorghis and G. Georgiou, The method of fundamental solutions for three dimensional elastostatics problems, Computers & Structures 80, 365-370 (2002).


M. Elliotis, G. Georgiou, and C. Xenophontos, ``The solution of a Laplacian problem over an $L$-shaped domain with a singular function boundary integral method,'' Comm. Numer. Methods Eng. 18, 213-222 (2002).

2001

Y.-S. Smyrlis, A. Karageorghis and G. Georgiou, Some aspects of the one-dimensional version of the method of fundamental solutions, Computers Math. Appl. 41, 647-657 (2001).


A. Poullikkas, A. Karageorghis and G. Georgiou, The numerical solution of three-dimensional Signorini problems with the method of fundamental solutions, Engineering Analysis with Boundary Elements 25, 221-227 (2001).

2000

K. Housiadas, G. Georgiou and J. Tsamopoulos, The steady annular extrusion of a Newtonian liquid under gravity and surface tension, Int. J. Numer. Methods Fluids 33, 1099-1119 (2000).

1999

M.M. Fyrillas, G.C. Georgiou, D. Vlassopoulos and S. Hatzikiriakos, ``A mechanism for extrusion instabilities in polymer melts'', Polymer Engineering and Science 39, 2498-2504 (1999).


G.C. Georgiou and A. Boudouvis, Converged solutions of the Newtonian extrudate swell problem, Int. J. Numer. Methods Fluids 29, 363-371 (1999).


M. Fyrillas, G.C. Georgiou and D. Vlassopoulos, Time-dependent plane Poiseuille flow of a Johnson-Segalman fluid, J. Non-Newtonian Fluid Mech. 82, 105-123 (1999).

1998

A. Poullikkas, A. Karageorghis, G. Georgiou and A. Ascough, The method of fundamental solutions for Stokes flow problems with a free surface, Numer. Methods Partial Diff. Eqns. 14, 667-678 (1998).


A. Poullikkas, A. Karageorghis and G. Georgiou, Methods of fundamental solutions for inhomogeneous elliptic problems, Computational Mechanics 22, 100-107 (1998).


E. Brasseur, M.M. Fyrillas, G.C. Georgiou and M.J. Crochet, The time-dependent extrudate-swell problem of an Oldroyd-B fluid with slip along the wall, J. Rheology 42, 549-566 (1998). ( postscript)


A. Poullikkas, A. Karageorghis and G. Georgiou, Methods of fundamental solutions for harmonic and biharmonic boundary value problems, Computational Mechanics 21, 416-423 (1998).


A. Poullikkas, A. Karageorghis and G. Georgiou, The method of fundamental solutions for Signorini problems, IMA J. Numer. Anal. 18, 273-286 (1998).


M. Fyrillas and G.C. Georgiou, Linear stability diagrams of the shear flow of an Oldroyd-B fluid with slip along the fixed wall, Rheol. Acta 37, 61-67 (1998).


G.C. Georgiou and D. Vlassopoulos, On the stability of the simple shear flow of a Johnson-Segalman fluid, J. Non-Newtonian Fluid Mech. 75, 77-97 (1998).

1997

G.C. Georgiou, A. Boudouvis and A. Poullikkas, Comparison of two methods for the computation of singular solutions in elliptic problems, J. Comput. Appl. Math. 79, 277-290 (1997).

1996

G.C. Georgiou, ``Extrusion of a compressible Newtonian fluid with periodic inflow and slip at the wall'', Rheol. Acta 35, 531-544 (1996).


G.C. Georgiou, ``On the stability of the shear flow of a viscoelastic fluid with slip along the fixed wall'', Rheol. Acta 35, 39-47 (1996).


G.C. Georgiou, L. Olson and G. Smyrlis, ``A singular function boundary integral method for the Laplace equation'', Commun. Numer. Meth. Eng. 12, 127-134 (1996).


G. Zodiatis, S. Alexandri, P. Pavlakis, L. Jonsson, G. Kallos, A. Demetropoulos, G. Georgiou, E. Balopoulos and A. Theodorou, A study of flow patterns in the North Aegean Sea using NOAA-AVHRR images and 2-D model simulation, Annales Geophysicae 14, 1221-1231 (1996).

1995

G.C. Georgiou, ``The compressible Newtonian extrudate-swell problem'', Int. J. Numer. Methods Fluids 20, 255-261 (1995).

1994

G.C. Georgiou and M.J. Crochet, Time-Dependent Compressible Extrudate-Swell Problem with Slip at the Wall, J. Rheol. 38, 1745-1755 (1994).


G.C. Georgiou and M.J. Crochet, Compressible viscous flow in slits with slip at the wall, J. Rheol. 38, 639-654 (1994).

1993

G.C. Georgiou and M.J. Crochet, ``The simultaneous use of 4$\times$4 and 2$\times$2 bilinear stress elements for viscoelastic flows'', Computational Mechanics 11, 341-354 (1993).

1991

G.C. Georgiou, L.G. Olson and W.W. Schultz, ``The integrated singular basis function method for the stick-slip and the die-swell problems", Int. J. Numer. Methods Fluids 13, 1251-1265 (1991).


L.G. Olson, G.C. Georgiou and W.W. Schultz, ``An efficient finite element method for treating singularities in Laplace's equation", J. Comp. Physics 96, 391-410 (1991).


G.C. Georgiou, S. Momani, K. Walters and M.J. Crochet, ``Newtonian and non Newtonian flow in a channel obstructed by an antisymmetric array of cylinders", J. Non-Newtonian Fluid Mech. 40, 231-260 (1991).

1990

K.R.J. Ellwood, G.C. Georgiou, T.C. Papanastasiou and J.O. Wilkes, Laminar Jets of Bingham Plastic Liquids, J. Rheol. 34, 787-812 (1990).


G.C. Georgiou, W.W. Schultz and L.G. Olson, ``Singular finite elements for the sudden-expansion and the die-swell problems", Int. J. Numer. Methods Fluids 10, 357-372 (1990).

1989

G.C. Georgiou, L.G. Olson, W.W. Schultz and S. Sagan, ``A singular finite element for Stokes flow: the stick-slip problem", Int. J. Numer. Methods Fluids 9, 1353-1367 (1989).

1988

G.C. Georgiou, T.C. Papanastasiou and J.O. Wilkes, ``Laminar Jets at High Reynolds and High Surface Tension", AIChE J. 34, No. 9, 1559-1562 (1988).


N. Papayannakos and G.C. Georgiou, ``Kinetics of hydrogen consumption during catalytic hydrodesulphurization of a residue in a trickle-bed reactor", J. Chem. Eng. Japan 21, No. 3, 244-249 (1988).

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