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Dive into the research topics where Thomas Utz is active.

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Featured researches published by Thomas Utz.


Archive | 2017

An extended discontinuous Galerkin framework for multiphase flows

Thomas Utz; Christina Kallendorf; Florian Kummer; Björn Müller; Martin Oberlack

We present a framework for handling cut cells in a high order discontinuous Galerkin (DG) context. To describe the boundary between fluid phases, we use a level-set formulation. When the interface cuts a computational cell, we discretize the resulting sub-cells with the same DG method as used on standard cells. This requires a suitable quadrature procedure. Within this framework, we present a solver for the two-phase Navier-Stokes equation, a reinitialization procedure for the level-set and a solver for transport-processes on the surface.


International Journal for Numerical Methods in Fluids | 2017

Interface‐preserving level‐set reinitialization for DG‐FEM

Thomas Utz; Florian Kummer; Martin Oberlack


International Journal for Numerical Methods in Fluids | 2018

A high-order discontinuous Galerkin method for extension problems

Thomas Utz; Florian Kummer


Archive | 2018

Level set methods for high-order unfitted discontinuous Galerkin schemes

Thomas Utz


International Journal for Numerical Methods in Engineering | 2018

Time integration for extended discontinuous Galerkin methods with moving domains

Florian Kummer; Björn Müller; Thomas Utz


Archive | 2017

Temporal integration in the presence of moving immersed boundaries: Splitting and beyond

Björn Müller; Florian Kummer; Thomas Utz; Stephan Krämer-Eis


Archive | 2017

Level set algorithms for high order discontinuous Galerkin methods

Thomas Utz; Florian Kummer


Archive | 2017

A Discontinuous Galerkin method in the context of multi-phase flows with moving boundaries

Martin Smuda; Florian Kummer; Thomas Utz


Archive | 2017

An extended Discontinuous Galerkin method for transient two-phase problems: Application in gravity/surface tension driven flows

Martin Smuda; Florian Kummer; Thomas Utz


Archive | 2017

Level-Set treatment for an Extended DG Method

Thomas Utz; Florian Kummer

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Florian Kummer

Technische Universität Darmstadt

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Björn Müller

Technische Universität Darmstadt

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Martin Oberlack

Technische Universität Darmstadt

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Anne Kikker

Technische Universität Darmstadt

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Christina Kallendorf

Technische Universität Darmstadt

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Dennis Krause

Technische Universität Darmstadt

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