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Development of low dissipative high order filter schemes for multiscale Navier-Stokes/MHD systems
KTH, School of Computer Science and Communication (CSC), Numerical Analysis and Computer Science, NADA.
2006 (English)In: Numerical Modeling of Space Plasma Flows: Astronum-2006 / [ed] Pogorelov, N; Zank, GP, SAN FRANCISCO: ASTRONOMICAL SOC PACIFIC , 2006, Vol. 359, 47-61 p.Conference paper, Published paper (Refereed)
Abstract [en]

Recent progress in the development of a class of low dissipative high order filter schemes for multiscale Navier-Stokes, and ideal and non-ideal magnetohydrodynamics (MHD) systems is described. The four main features of this schemes are: (a) multiresolution wavelet decomposition of the computed flow data as sensors for adaptive numerical dissipative control, (b) multistep filter to accommodate efficient application of different numerical dissipation models and different spatial high order base schemes, (c) solving the ideal conservative MHD system without having to deal with an incomplete eigensystern set while at the same time ensuring that correct shock speeds and locations are computed, and (d) minimization of the divergence of the magnetic field (del(.) B) numerical error. By design, the flow sensors, different choice of high order base schemes and numerical dissipation models are stand-alone modules. A whole class of low dissipative high order schemes can be derived at ease, making the resulting computer software very flexible with widely applicable.

Place, publisher, year, edition, pages
SAN FRANCISCO: ASTRONOMICAL SOC PACIFIC , 2006. Vol. 359, 47-61 p.
Series
ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES, ISSN 1050-3390 ; 359
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-42115ISI: 000245761800006ISBN: 978-1-583812-27-3 (print)OAI: oai:DiVA.org:kth-42115DiVA: diva2:446585
Conference
International Conference on Numerical Modeling of Space Plasma Flows Location: Palm Springs, CA Date: MAR 27-30, 2006
Note

QC 2011007

Available from: 2011-10-07 Created: 2011-10-05 Last updated: 2017-03-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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