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Fluid structure interaction problems: the necessity of a well posed, stable and accurate formulation
Uppsala universitet, Avdelningen för teknisk databehandling.ORCID iD: 0000-0002-7972-6183
Uppsala universitet, Avdelningen för teknisk databehandling.
2010 (English)In: Communications in Computational Physics, ISSN 1815-2406, Vol. 8, 1111-1138 p.Article in journal (Refereed) Published
Abstract [en]

We investigate problems of fluid structure interaction type and aim for a formulation that leads to a well posed problem and a stable numerical procedure. Our first objective is to investigate if the generally accepted formulations of the fluid structure interaction problem are the only possible ones. Our second objective is to derive a stable numerical coupling. To accomplish that we will use a weak coupling procedure and employ summation-by-parts operators and penalty terms. We compare the weak coupling with other common procedures. We also study the effect of high order accurate schemes. In multiple dimensions this is a formidable task and we start by investigating the simplest possible model problem available. As a flow model we use the linearized Euler equations in one dimension and as the structure model we consider a spring.

Place, publisher, year, edition, pages
2010. Vol. 8, 1111-1138 p.
Keyword [en]
Fluid structure interaction, well posed, finite difference, high accuracy, stability
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-68586DOI: 10.4208/cicp.260409.120210aISI: 000284672100007OAI: oai:DiVA.org:liu-68586DiVA: diva2:418754
Note
Original Publication: Jan Nordström and Sofia Eriksson, Fluid structure interaction problems: the necessity of a well posed, stable and accurate formulation, 2010, Communications in Computational Physics, (8), 1111-1138. http://dx.doi.org/10.4208/cicp.260409.120210a Copyright: Global Science Press Available from: 2010-06-23 Created: 2011-05-24 Last updated: 2013-08-30

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