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 | 160 | 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 | 128 | 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 | 122 | 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 | 118 | 2016 |

How viscoelastic is human blood plasma? S Varchanis, Y Dimakopoulos, C Wagner, J Tsamopoulos Soft Matter 14 (21), 4238-4251, 2018 | 107 | 2018 |

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 | 98 | 2003 |

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), 2017 | 96 | 2017 |

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 | 85 | 2016 |

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 | 82 | 2016 |

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 | 75 | 2019 |

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 | 57 | 2009 |

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 | 48 | 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 | 48 | 2004 |

Transition between solid and liquid state of yield-stress fluids under purely extensional deformations S Varchanis, SJ Haward, CC Hopkins, A Syrakos, AQ Shen, ... Proceedings of the National Academy of Sciences 117 (23), 12611-12617, 2020 | 45 | 2020 |

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 | 45 | 2019 |

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), 2018 | 43 | 2018 |

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 | 40 | 2018 |

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 | 36 | 2015 |

Advanced constitutive modeling of the thixotropic elasto-visco-plastic behavior of blood: Description of the model and rheological predictions K Giannokostas, P Moschopoulos, S Varchanis, Y Dimakopoulos, ... Materials 13 (18), 4184, 2020 | 35 | 2020 |

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 |