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.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Implementation of the VOF method in the DLR TAU code|
|Journal or Publication Title:||JPC 2009 Proceedings|
|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|
|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)|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Spacecraft|
|Deposited By:||Dagmar Brennecke-Hosseinzadeh|
|Deposited On:||18 Dec 2009 13:51|
|Last Modified:||18 Dec 2009 13:51|
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