294 citations · 1.3k across the 15 of their papers we have counts for
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On the molecular mechanism behind the bubble rise velocity jump discontinuity in viscoelastic liquids
Dieter Bothe, Matthias Niethammer, Christian Pilz +1
Bubbles rising in viscoelastic liquids may exhibit a jump discontinuity of the rise velocity as a critical bubble volume is exceeded. The phenomenon has been extensively investigat…
Numerical simulation of non-isothermal viscoelastic flows at high Weissenberg numbers using a finite volume method on general unstructured meshes
Stefanie Meburger, Matthias Niethammer, Dieter Bothe +1
In this numerical study, an original approach to simulate non-isothermal viscoelastic fluid flows at high Weissenberg numbers is presented. Stable computations over a wide range of…
An Extended Volume of Fluid Method and its Application to Single Bubbles Rising in a Viscoelastic Liquid
Matthias Niethammer, Günter Brenn, Holger Marschall +1
An extended volume of fluid method is developed for two-phase direct numerical simulations of systems with one viscoelastic and one Newtonian phase. A complete set of governing equ…
A numerical stabilization framework for viscoelastic fluid flow using the finite volume method on general unstructured meshes
Matthias Niethammer, Holger Marschall, Christian Kunkelmann +1
A robust finite volume method for viscoelastic flow analysis on general unstructured meshes is developed. It is built upon a general-purpose stabilization framework for high Weisse…