Steady bubble rise and deformation in Newtonian and viscoplastic fluids and conditions for bubble entrapment J Tsamopoulos, Y Dimakopoulos, N Chatzidai, G Karapetsas, M Pavlidis Journal of Fluid Mechanics 601, 123-164, 2008 | 146 | 2008 |

A quasi-elliptic transformation for moving boundary problems with large anisotropic deformations Y Dimakopoulos, J Tsamopoulos Journal of Computational Physics 192 (2), 494-522, 2003 | 118 | 2003 |

Steady bubble rise in Herschel–Bulkley fluids and comparison of predictions via the augmented Lagrangian method with those via the Papanastasiou model Y Dimakopoulos, M Pavlidis, J Tsamopoulos Journal of Non-Newtonian Fluid Mechanics 200, 34-51, 2013 | 107 | 2013 |

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 D Fraggedakis, Y Dimakopoulos, J Tsamopoulos Soft matter 12 (24), 5378-5401, 2016 | 98 | 2016 |

Transient displacement of a viscoplastic material by air in straight and suddenly constricted tubes Y Dimakopoulos, J Tsamopoulos Journal of non-newtonian fluid mechanics 112 (1), 43-75, 2003 | 95 | 2003 |

How viscoelastic is human blood plasma? S Varchanis, Y Dimakopoulos, C Wagner, J Tsamopoulos Soft Matter 14 (21), 4238-4251, 2018 | 81 | 2018 |

On the velocity discontinuity at a critical volume of a bubble rising in a viscoelastic fluid D Fraggedakis, M Pavlidis, Y Dimakopoulos, J Tsamopoulos Journal of Fluid Mechanics 789, 310-346, 2016 | 70 | 2016 |

Yielding the yield stress analysis: A thorough comparison of recently proposed elasto-visco-plastic (EVP) fluid models D Fraggedakis, Y Dimakopoulos, J Tsamopoulos Journal of Non-Newtonian Fluid Mechanics 236, 104-122, 2016 | 66 | 2016 |

A critical analysis of some popular methods for the discretisation of the gradient operator in finite volume methods A Syrakos, S Varchanis, Y Dimakopoulos, A Goulas, J Tsamopoulos Physics of Fluids 29 (12), 127103, 2017 | 62 | 2017 |

On the elliptic mesh generation in domains containing multiple inclusions and undergoing large deformations N Chatzidai, A Giannousakis, Y Dimakopoulos, J Tsamopoulos Journal of Computational Physics 228 (6), 1980-2011, 2009 | 54 | 2009 |

Modeling the rheology of thixotropic elasto-visco-plastic materials S Varchanis, G Makrigiorgos, P Moschopoulos, Y Dimakopoulos, ... Journal of Rheology 63 (4), 609-639, 2019 | 49 | 2019 |

Transient displacement of Newtonian and viscoplastic liquids by air in complex tubes Y Dimakopoulos, J Tsamopoulos Journal of non-newtonian fluid mechanics 142 (1-3), 162-182, 2007 | 47 | 2007 |

On the gas-penetration in straight tubes completely filled with a viscoelastic fluid Y Dimakopoulos, J Tsamopoulos Journal of non-newtonian fluid mechanics 117 (2-3), 117-139, 2004 | 47 | 2004 |

A new finite element formulation for viscoelastic flows: Circumventing simultaneously the LBB condition and the high-Weissenberg number problem S Varchanis, A Syrakos, Y Dimakopoulos, J Tsamopoulos Journal of Non-Newtonian Fluid Mechanics 267, 78-97, 2019 | 37 | 2019 |

The PAL (Penalized Augmented Lagrangian) method for computing viscoplastic flows: A new fast converging scheme Y Dimakopoulos, G Makrigiorgos, GC Georgiou, J Tsamopoulos Journal of Non-Newtonian Fluid Mechanics 256, 23-41, 2018 | 36 | 2018 |

Transient displacement of a Newtonian fluid by air in straight or suddenly constricted tubes Y Dimakopoulos, J Tsamopoulos Physics of fluids 15 (7), 1973-1991, 2003 | 35 | 2003 |

On the origin of extrusion instabilities: Linear stability analysis of the viscoelastic die swell D Pettas, G Karapetsas, Y Dimakopoulos, J Tsamopoulos Journal of Non-Newtonian Fluid Mechanics 224, 61-77, 2015 | 32 | 2015 |

Theoretical study of the flow in a fluid damper containing high viscosity silicone oil: Effects of shear-thinning and viscoelasticity A Syrakos, Y Dimakopoulos, J Tsamopoulos Physics of Fluids 30 (3), 030708, 2018 | 30 | 2018 |

Evaluation of tube models for linear entangled polymers in simple and complex flows S Varchanis, Y Dimakopoulos, J Tsamopoulos Journal of Rheology 62 (1), 25-47, 2018 | 29 | 2018 |

Hemodynamics in stenotic vessels of small diameter under steady state conditions: Effect of viscoelasticity and migration of red blood cells Y Dimakopoulos, G Kelesidis, S Tsouka, GC Georgiou, J Tsamopoulos Biorheology 52 (3), 183-210, 2015 | 29 | 2015 |