All Stories

  1. Buoyancy driven flow of a viscous drop in viscoelastic materials

    Article • Journal of Non-Newtonian Fluid Mechanics, November 2023, Elsevier

    Professor John Tsamopoulos

  2. Hydrodynamic interaction between coaxially rising bubbles in elastoviscoplastic materials: Equal bubbles

    Article • Physical Review Fluids, August 2023, American Physical Society (APS)

    Professor John Tsamopoulos

  3. A unification of least-squares and Green–Gauss gradients under a common projection-based gradient reconstruction framework

    Article • Mathematics and Computers in Simulation, March 2023, Elsevier

    Professor John Tsamopoulos

  4. Dynamics of elastoviscoplastic filament stretching

    Article • Soft Matter, January 2023, Royal Society of Chemistry

    Professor John Tsamopoulos

  5. Stability analysis of a Newtonian film flow over hydrophobic microtextured substrates

    Article • Physical Review Fluids, March 2022, American Physical Society (APS)

    Professor John Tsamopoulos

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

    Article • Physical Review Fluids, January 2022, American Physical Society (APS)

    Professor John Tsamopoulos

  7. Origin of the Sharkskin Instability: Nonlinear Dynamics

    Article • Physical Review Letters, August 2021, American Physical Society (APS)

    Professor John Tsamopoulos

  8. Stability analysis of viscoelastic film flows over an inclined substrate with rectangular trenches

    Article • Journal of Fluid Mechanics, March 2021, Cambridge University Press

    Professor John Tsamopoulos

  9. Adhesion, cavitation, and fibrillation during the debonding process of pressure sensitive adhesives

    Article • Physical Review Fluids, January 2021, American Physical Society (APS)

    Professor John Tsamopoulos

  10. Erratum: “Modelling the rheology of thixotropic elasto-visco-plastic materials” [J. Rheol. 63(4), 609–639 (2019)]

    Article • Journal of Rheology, January 2021, Society of Rheology

    Professor John Tsamopoulos

  11. Transition between solid and liquid state of yield-stress fluids under purely extensional deformations

    Article • Proceedings of the National Academy of Sciences, May 2020, Proceedings of the National Academy of Sciences

    Professor John Tsamopoulos

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

    Article • Physics of Fluids, May 2020, American Institute of Physics

    Professor John Tsamopoulos

  13. Steady flow of a viscoelastic film over an inclined plane featuring periodic slits

    Article • Journal of Non-Newtonian Fluid Mechanics, April 2020, Elsevier

    Professor John Tsamopoulos

  14. Electro-osmotic flow of electrolyte solutions of PEO in microfluidic channels

    Article • Journal of Colloid and Interface Science, March 2020, Elsevier

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, January 2020, Elsevier

    Professor John Tsamopoulos

  16. Stability analysis of viscoelastic film flows over an inclined substrate with sinusoidal topography

    Article • Physical Review Fluids, August 2019, American Physical Society (APS)

    Professor John Tsamopoulos

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

    Article • Physical Review Fluids, August 2019, American Physical Society (APS)

    Professor John Tsamopoulos

  18. The rising velocity of a slowly pulsating bubble in a shear-thinning fluid

    Article • Physics of Fluids, August 2019, American Institute of Physics

    Professor John Tsamopoulos, Marco De Corato

  19. Oscillations of small bubbles and medium yielding in elastoviscoplastic fluids

    Article • Physical Review Fluids, July 2019, American Physical Society (APS)

    Professor John Tsamopoulos

  20. Modeling the rheology of thixotropic elasto-visco-plastic materials

    Article • Journal of Rheology, July 2019, Society of Rheology

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, May 2019, Elsevier

    Professor John Tsamopoulos

  22. Dynamics and motion of a gas bubble in a viscoplastic medium under acoustic excitation

    Article • Journal of Fluid Mechanics, February 2019, Cambridge University Press

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, June 2018, Elsevier

    Professor John Tsamopoulos, Georgios Georgiou

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

    Article • Physics of Fluids, March 2018, American Institute of Physics

    Professor John Tsamopoulos

  25. How viscoelastic is human blood plasma?

    Article • Soft Matter, January 2018, Royal Society of Chemistry

    Professor John Tsamopoulos

  26. Evaluation of tube models for linear entangled polymers in simple and complex flows

    Article • Journal of Rheology, January 2018, Society of Rheology

    Professor John Tsamopoulos

  27. Steady film flow over a substrate with rectangular trenches forming air inclusions

    Article • Physical Review Fluids, December 2017, American Physical Society (APS)

    Professor John Tsamopoulos

  28. A critical analysis of some popular methods for the discretisation of the gradient operator in finite volume methods

    Article • Physics of Fluids, December 2017, American Institute of Physics

    Professor John Tsamopoulos

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

    Article • Journal of Computational Physics, September 2017, Elsevier

    Professor John Tsamopoulos

  30. Experimental investigation and mathematical modeling of triode PEM fuel cells

    Article • Electrochimica Acta, September 2017, Elsevier

    Professor John Tsamopoulos

  31. Wetting of a slit in an inclined plane by a falling liquid film

    Article • Journal of Fluid Mechanics, May 2017, Cambridge University Press

    Professor John Tsamopoulos, Dionisis Pettas

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

    Article • Microfluidics and Nanofluidics, February 2017, Springer Science + Business Media

    Professor John Tsamopoulos

  33. Numerical simulations of complex yield-stress fluid flows

    Article • Rheologica Acta, December 2016, Springer Science + Business Media

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, December 2016, Elsevier

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, October 2016, Elsevier

    Professor John Tsamopoulos

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

    Article • Journal of Non-Newtonian Fluid Mechanics, August 2016, Elsevier

    Professor John Tsamopoulos

  37. Viscoplastic flow in an extrusion damper

    Article • Journal of Non-Newtonian Fluid Mechanics, June 2016, Elsevier

    Professor John Tsamopoulos, Georgios Georgiou

  38. Transient flow of gravity-driven viscous films over substrates with rectangular topographical features

    Article • Microfluidics and Nanofluidics, February 2016, Springer Science + Business Media

    Professor John Tsamopoulos

  39. Stress-gradient induced migration of polymers in thin films flowing over smoothly corrugated surfaces

    Article • Journal of Non-Newtonian Fluid Mechanics, February 2016, Elsevier

    Professor John Tsamopoulos

  40. On the velocity discontinuity of a bubble rising in a viscoelastic fluid

    Article • Journal of Fluid Mechanics, January 2016, Cambridge University Press

    Professor John Tsamopoulos

  41. 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

    Article • Soft Matter, January 2016, Royal Society of Chemistry

    Professor John Tsamopoulos

  42. On the origin of extrusion instabilities: Linear stability analysis of the viscoelastic die swell

    Article • Journal of Non-Newtonian Fluid Mechanics, October 2015, Elsevier

    Professor John Tsamopoulos

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

    Article • Biorheology The Official Journal of the International Society of Biorheology, September 2015, IOS Press

    Georgios Georgiou, Professor John Tsamopoulos

  44. Stress-gradient induced migration of polymers in corrugated channels

    Article • Journal of Rheology, June 2014, Society of Rheology

    Professor John Tsamopoulos

  45. Bubble Deformation and Growth Inside Viscoelastic Filaments Undergoing Very Large Extensions

    Article • Industrial & Engineering Chemistry Research, March 2014, American Chemical Society (ACS)

    Professor John Tsamopoulos

  46. Steady bubble rise in Herschel–Bulkley fluids and comparison of predictions via the Augmented Lagrangian Method with those via the Papanastasiou model

    Article • Journal of Non-Newtonian Fluid Mechanics, October 2013, Elsevier

    Professor John Tsamopoulos

  47. On the stick-slip flow from slit and cylindrical dies of a Phan-Thien and Tanner fluid model. II. Linear stability analysis

    Article • Physics of Fluids, September 2013, American Institute of Physics

    Professor John Tsamopoulos

  48. On the flow characteristics of the conical Minoan pipes used in water supply systems, via computational fluid dynamics simulations

    Article • Journal of Archaeological Science, April 2013, Elsevier

    Professor John Tsamopoulos

  49. Viscous effects on the oscillations of two equal and deformable bubbles under a step change in pressure

    Article • Journal of Fluid Mechanics, March 2011, Cambridge University Press

    Professor John Tsamopoulos

  50. On the stick-slip flow from slit and cylindrical dies of a Phan-Thien and Tanner fluid model. I. Steady state

    Article • Physics of Fluids, December 2009, American Institute of Physics

    Professor John Tsamopoulos

  51. Fully developed flow of a viscoelastic film down a vertical cylindrical or planar wall

    Article • Rheologica Acta, September 2009, Springer Science + Business Media

    Professor John Tsamopoulos

  52. Injection of a viscoplastic material inside a tube or between two parallel disks: Conditions for wall detachment of the advancing front

    Article • Journal of Rheology, September 2009, Society of Rheology

    Professor John Tsamopoulos

  53. On the transient coating of a straight tube with a viscoelastic material

    Article • Journal of Non-Newtonian Fluid Mechanics, June 2009, Elsevier

    Professor John Tsamopoulos

  54. On the elliptic mesh generation in domains containing multiple inclusions and undergoing large deformations

    Article • Journal of Computational Physics, April 2009, Elsevier

    Professor John Tsamopoulos

  55. Steady bubble rise and deformation in Newtonian and viscoplastic fluids and conditions for bubble entrapment

    Article • Journal of Fluid Mechanics, April 2008, Cambridge University Press

    Professor John Tsamopoulos

  56. A direct comparison between volume and surface tracking methods with a boundary-fitted coordinate transformation and third-order upwinding

    Article • Journal of Computational Physics, December 2007, Elsevier

    Professor John Tsamopoulos

  57. Transient displacement of Newtonian and viscoplastic liquids by air in complex tubes

    Article • Journal of Non-Newtonian Fluid Mechanics, March 2007, Elsevier

    Professor John Tsamopoulos

  58. Two- and three-dimensional instabilities in the film blowing process

    Article • Journal of Non-Newtonian Fluid Mechanics, February 2007, Elsevier

    Professor John Tsamopoulos

  59. Transient displacement of Newtonian liquids by gas in periodically constricted tubes

    Article • AIChE Journal, June 2006, Wiley

    Professor John Tsamopoulos

  60. Numerical simulation of multiple bubbles growing in a Newtonian liquid filament undergoing stretching

    Article • Physics of Fluids, April 2006, American Institute of Physics

    Professor John Tsamopoulos

  61. Transient squeeze flow of viscoplastic materials

    Article • Journal of Non-Newtonian Fluid Mechanics, January 2006, Elsevier

    Professor John Tsamopoulos

  62. Gas-assisted injection molding with fluids partially occupying straight or complex tubes

    Article • Polymer Engineering & Science, January 2005, Wiley

    Professor John Tsamopoulos

  63. Spherical capsules in three-dimensional unbounded Stokes flows: effect of the membrane constitutive law and onset of buckling

    Article • Journal of Fluid Mechanics, September 2004, Cambridge University Press

    Professor John Tsamopoulos

  64. Numerical simulation of bubble growth in Newtonian and viscoelastic filaments undergoing stretching

    Article • Journal of Non-Newtonian Fluid Mechanics, September 2004, Elsevier

    Professor John Tsamopoulos

  65. Risk analysis of industrial structures under extreme transient loads

    Article • Soil Dynamics and Earthquake Engineering, August 2004, Elsevier

    Professor John Tsamopoulos

  66. On the gas-penetration in straight tubes completely filled with a viscoelastic fluid

    Article • Journal of Non-Newtonian Fluid Mechanics, February 2004, Elsevier

    Professor John Tsamopoulos

  67. A quasi-elliptic transformation for moving boundary problems with large anisotropic deformations

    Article • Journal of Computational Physics, December 2003, Elsevier

    Professor John Tsamopoulos

  68. Laminar boundary layer flow of saturated vapor and its condensate over a horizontal tube

    Article • Physics of Fluids, June 2002, American Institute of Physics

    Professor John Tsamopoulos

  69. Comparison of spectral and finite element methods applied to the study of the core‐annular flow in an undulating tube

    Article • International Journal for Numerical Methods in Fluids, April 2002, Wiley

    Professor John Tsamopoulos

  70. Dynamics of the axisymmetric core-annular flow. II. The less viscous fluid in the core, saw tooth waves

    Article • Physics of Fluids, March 2002, American Institute of Physics

    Professor John Tsamopoulos

  71. Linear oscillations and stability of a liquid bridge in an axial electric field

    Article • Physics of Fluids, December 2001, American Institute of Physics

    Professor John Tsamopoulos

  72. Squeeze flow of Bingham plastics

    Article • Journal of Non-Newtonian Fluid Mechanics, September 2001, Elsevier

    Professor John Tsamopoulos

  73. Linear stability of a gas boundary layer flowing past a thin liquid film over a flat plate

    Article • Journal of Fluid Mechanics, June 2001, Cambridge University Press

    Professor John Tsamopoulos

  74. Corrigendum to “Unsteady state operation of catalytic particles with constant and periodically changing degree of external wetting” [Chem. Engng. Sci. 53(17) (1998) 3129–3142]

    Article • Chemical Engineering Science, April 2001, Elsevier

    Professor John Tsamopoulos

  75. Dynamics of axisymmetric core-annular flow in a straight tube. I. The more viscous fluid in the core, bamboo waves

    Article • Physics of Fluids, April 2001, American Institute of Physics

    Professor John Tsamopoulos

  76. Boundary layer flow of air past solid surfaces in the presence of rainfall

    Article • Journal of Fluid Mechanics, December 2000, Cambridge University Press

    Professor John Tsamopoulos

  77. Concentric core-annular flow in a circular tube of slowly varying cross-section

    Article • Chemical Engineering Science, November 2000, Elsevier

    Professor John Tsamopoulos

  78. The steady annular extrusion of a Newtonian liquid under gravity and surface tension

    Article • International Journal for Numerical Methods in Fluids, August 2000, Wiley

    Professor John Tsamopoulos

  79. Cooling of a viscoelastic film during unsteady extrusion from an annular die

    Article • Rheologica Acta, January 2000, Springer Science + Business Media

    Professor John Tsamopoulos

  80. Unsteady extrusion of a viscoelastic annular film

    Article • Journal of Non-Newtonian Fluid Mechanics, January 2000, Elsevier

    Professor John Tsamopoulos

  81. Unsteady extrusion of a viscoelastic annular film

    Article • Journal of Non-Newtonian Fluid Mechanics, January 2000, Elsevier

    Professor John Tsamopoulos

  82. The steady annular extrusion of a Newtonian liquid under gravity and surface tension

    Article • International Journal for Numerical Methods in Fluids, January 2000, Wiley

    Professor John Tsamopoulos

  83. Unsteady flow of an axisymmetric annular film under gravity

    Article • Physics of Fluids, October 1998, American Institute of Physics

    Professor John Tsamopoulos

  84. Unsteady state operation of catalytic particles with constant and periodically changing degree of external wetting

    Article • Chemical Engineering Science, September 1998, Elsevier

    Professor John Tsamopoulos

  85. Squeeze Flow of Bingham Plastic

    Article • January 1998, Springer Science + Business Media

    Professor John Tsamopoulos

  86. Dynamics of charged and conducting drops via the hybrid finite-boundary element method

    Article • Engineering Analysis with Boundary Elements, January 1995, Elsevier

    Professor John Tsamopoulos

  87. Spin coating of viscoelastic and nonvolatile fluids over a planar disk

    Article • Physics of Fluids, November 1994, American Institute of Physics

    Professor John Tsamopoulos

  88. Start-up flow of an upper convected maxwell fluid over a rotating disk

    Article • Journal of Non-Newtonian Fluid Mechanics, November 1994, Elsevier

    Professor John Tsamopoulos

  89. Transient rotational flow of an Oldroyd-B fluid over a disk

    Article • Physics of Fluids, March 1994, American Institute of Physics

    Professor John Tsamopoulos

  90. Nonlinear dynamics of capillary bridges: experiments

    Article • Journal of Fluid Mechanics, October 1993, Cambridge University Press

    Professor John Tsamopoulos

  91. Nonlinear dynamics of capillary bridges: theory

    Article • Journal of Fluid Mechanics, October 1993, Cambridge University Press

    Professor John Tsamopoulos

  92. Bjerknes forces between two bubbles. Part 1. Response to a step change in pressure

    Article • Journal of Fluid Mechanics, September 1993, Cambridge University Press

    Professor John Tsamopoulos

  93. Bjerknes forces between two bubbles. Part 2. Response to an oscillatory pressure field

    Article • Journal of Fluid Mechanics, September 1993, Cambridge University Press

    Professor John Tsamopoulos

  94. A hybrid finite-boundary element method for inviscid flows with free surface

    Article • Journal of Computational Physics, August 1992, Elsevier

    Professor John Tsamopoulos

  95. Capillary bridges between parallel and non-parallel surfaces and their stability

    Article • Journal of Colloid and Interface Science, June 1992, Elsevier

    Professor John Tsamopoulos

  96. Viscous oscillations of capillary bridges

    Article • Journal of Fluid Mechanics, February 1992, Cambridge University Press

    Professor John Tsamopoulos

  97. A model for the catalytic growth of carbon filaments

    Article • Carbon, January 1992, Elsevier

    Professor John Tsamopoulos

  98. Boundary-layer analysis of the dynamics of axisymmetric capillary bridges

    Article • Physics of Fluids A Fluid Dynamics, December 1991, American Institute of Physics

    Professor John Tsamopoulos

  99. Nonlinear oscillations of liquid shells in zero gravity

    Article • Journal of Fluid Mechanics, September 1991, Cambridge University Press

    Professor John Tsamopoulos

  100. Inflation dynamics of fluid annular menisci inside a mold cavity—I. Deformation driven by small gas pressures

    Article • Chemical Engineering Science, January 1991, Elsevier

    Professor John Tsamopoulos

  101. Inflation dynamnics of fluid annular menisci inside a mold cavity—II. Deformation driven by large gas pressures

    Article • Chemical Engineering Science, January 1991, Elsevier

    Professor John Tsamopoulos

  102. Nonisothermal parison inflation in blow molding

    Article • AIChE Journal, December 1990, Wiley

    Professor John Tsamopoulos

  103. Equilibrium shapes and stability of charged and conducting drops

    Article • Physics of Fluids A Fluid Dynamics, August 1990, American Institute of Physics

    Professor John Tsamopoulos

  104. Gasification of graphite by the channeling action of metal catalysts

    Article • Journal of Catalysis, June 1989, Elsevier

    Professor John Tsamopoulos

  105. Modeling the channeling action of catalysts in gas‐carbon reactions

    Article • AIChE Journal, April 1989, Wiley

    Professor John Tsamopoulos

  106. Equilibrium shapes and stability of captive annular menisci

    Article • Journal of Fluid Mechanics, December 1988, Cambridge University Press

    Professor John Tsamopoulos

  107. Dynamic centering of liquid shells

    Article • The Physics of Fluids, January 1987, American Institute of Physics

    Professor John Tsamopoulos

  108. Dynamics of charged drop break-up

    Article • Proceedings of the Royal Society of London A Mathematical and Physical Sciences, September 1985, Royal Society Publishing

    Professor John Tsamopoulos

  109. Creeping motion of a sphere through a Bingham plastic

    Article • Journal of Fluid Mechanics, September 1985, Cambridge University Press

    Professor John Tsamopoulos

  110. Resonant oscillations of inviscid charged drops

    Article • Journal of Fluid Mechanics, October 1984, Cambridge University Press

    Professor John Tsamopoulos

  111. THE EFFECT OF RELATIVE SIZE ON THE DYNAMICS OF FLUIDIZED BED DRYERS

    Article • Chemical Engineering Communications, November 1983, Taylor & Francis

    Professor John Tsamopoulos

  112. Nonlinear oscillations of inviscid drops and bubbles

    Article • Journal of Fluid Mechanics, February 1983, Cambridge University Press

    Professor John Tsamopoulos