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Numerical wave propagation in large-scale 3-D environments
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Scientific Computing.
2012 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

High-order accurate finite difference methods have been applied to the acoustic wave equation in discontinuous media and curvilinear geometries, using the SBP-SAT method. Strict stability is shown for the 2-D wave equation with general boundary conditions. The fourth-order accurate method for the 3-D wave equation has been implemented in C and parallelized using MPI. The implementation has been verified against an analytical solution and runs efficiently on a large number of processors.

Place, publisher, year, edition, pages
2012. , 19 p.
Series
UPTEC F, ISSN 1401-5757 ; 12 011
Keyword [en]
high-order finite difference methods, wave propagation, numerical stability, parallel efficiency
National Category
Other Computer and Information Science
Identifiers
URN: urn:nbn:se:uu:diva-171958OAI: oai:DiVA.org:uu-171958DiVA: diva2:513063
Educational program
Master Programme in Engineering Physics
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-03-30 Created: 2012-03-30 Last updated: 2012-03-30Bibliographically approved

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Numerical wave propagation in large-scale 3-D environments(658 kB)576 downloads
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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