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Implementation of the VOF method in the DLR TAU code

Gauer, Markus (2009) Implementation of the VOF method in the DLR TAU code. In: JPC 2009 Proceedings. 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 02.-05.08.2009, Denver, USA.

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The DLR TAU code is enhanced with the volume-of-fluid method (VOF) for a reconstruction of the fluid interface. The compressible Reynolds-Averaged-Navier-Stokes equations are discretized by a finite volume technique using tetrahedra, pyramids, prisms and hexahedra. TAU subdivides the either structured or unstructured primary grid into tetrahedra on which the pre-processing solver computes the initial volume-of-fluid distribution. The initial distribution is defined to be rectangular, parabolical, spherical or a combination of the aforementioned. For the consideration of surface ten-sion forces, a continuum surface force method (CSF) is implemented. Due to the application on structured as well as on unstructured grids, the volume-of-fluid values are smoothed with a Laplacian type smoother for a stable calculation of the interface curvature. The continuum surface force algorithm is validated with a test case in which surface tension results in a transition from a cubical shape to a stable spherically shaped bubble in the absence of any external forces.

Item URL in elib:https://elib.dlr.de/61992/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Implementation of the VOF method in the DLR TAU code
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:JPC 2009 Proceedings
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:CFD, Volume of Fluid (VOF), interfacial reconstruction, sloshing, Continuum Surface Force
Event Title:45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit
Event Location:Denver, USA
Event Type:international Conference
Event Dates:02.-05.08.2009
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:other
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - numerische Verfahren (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Brennecke-Hosseinzadeh, Dagmar
Deposited On:18 Dec 2009 13:51
Last Modified:18 Dec 2009 13:51

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