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  4. A cut-cell geometric multigrid poisson solver for fluid simulation
 
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2015
Journal Article
Title

A cut-cell geometric multigrid poisson solver for fluid simulation

Abstract
We present a novel multigrid scheme based on a cut-cell formulation on regular staggered grids which generates compatible systems of linear equations on all levels of the multigrid hierarchy. This geometrically motivated formulation is derived from a finite volume approach and exhibits an improved rate of convergence compared to previous methods. Existing fluid solvers with voxelized domains can directly benefit from this approach by only modifying the representation of the non-fluid domain. The necessary building blocks are fully parallelizable and can therefore benefit from multi-and many-core architectures.
Author(s)
Weber, Daniel
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Mueller-Roemer, Johannes Sebastian  orcid-logo
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Stork, André
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Fellner, Dieter W.
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Journal
Computer graphics forum  
Conference
European Association for Computer Graphics (Eurographics Annual Conference) 2015  
DOI
10.1111/cgf.12577
Language
English
Fraunhofer AUSTRIA  
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Keyword(s)
  • object modeling

  • 3D animation

  • physically based simulation

  • linear systems

  • multigrid

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