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Non-reflective boundary conditions for incompressible free surface fluids in SIGGRAPH 2009: Talks, SIGGRAPH 09, vol , issue , pp
Linköping University, Department of Science and Technology, Digital Media. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Digital Media. Linköping University, The Institute of Technology.
2009 (English)In: SIGGRAPH 2009: Talks, SIGGRAPH 09, New York: ACM , 2009Conference paper, Published paper (Refereed)
Abstract [en]

We have developed a novel approach to open-boundaries for fluid animations. More specifically we present a highly efficient energy absorbing boundary condition for the incompressible Navier-Stokes equations in the prescence of a free surface. Our work extends and adapts a Perfectly Matched Layer (PML) approach [Berenger 1994; Johnson 2007], recently developed for the Navier-Stokes equations, to free surfaces in the context fluid animations. We show how our PML boundary condition is able to effectively eliminate reflections generated by the presence of solid boundaries in the simulation domain, and that our method is far superior to simpler approaches for reducing wave reflection. Furthermore, we have adapted our theoretical PML model to work with the Stable-Fluids Eulerian Navier-Stokes solver commonly used in computer graphics. Finally, we show that the cost of deploying our method in terms of memory and additional computations is small, and for a given quality significantly less than other known methods.

Place, publisher, year, edition, pages
New York: ACM , 2009.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-52964DOI: 10.1145/1597990.1597994ISBN: 978-1-60558-834-6 (print)OAI: oai:DiVA.org:liu-52964DiVA: diva2:286416
Conference
SIGGRAPH 2009: Talks, SIGGRAPH '09; New Orleans, LA; United States
Available from: 2010-01-14 Created: 2010-01-14 Last updated: 2014-09-01

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Söderström, AndreasMuseth, Ken

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf