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- Hörlin, Nils-ErikKTH,Farkostteknik (author)
A 3-D hierarchical Fe formulation of Biot's equations for elasto-acoustic modelling of porous media
- Article/chapterEnglish2001
Publisher, publication year, extent ...
- Elsevier BV,2001
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-13419
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-13419URI
- https://doi.org/10.1006/jsvi.2000.3556DOI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- QC 20100618
- A three-dimensional hierarchical finite element formulation of Biot's equation for low frequency elasto-acoustic wave propagation in fluid saturated porous media based on a weak formulation with fluid displacement and solid displacement as dependent variables is presented. A global error measure for evaluation of the convergence is proposed. Numerical simulations of an air saturated polyurethane foam material show faster convergence for the hierarchical extensions than for linear and quadratic serendipity finite element mesh refinement extensions.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Farkostteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Vehicle Engineering hsv//eng
- Vehicle engineering
- Farkostteknik
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- Nordström, M.KTH,Farkostteknik (author)
- Göransson, PeterKTH,Farkostteknik(Swepub:kth)u1m0unv8 (author)
- KTHFarkostteknik (creator_code:org_t)
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- In:Journal of Sound and Vibration: Elsevier BV245:4, s. 633-6520022-460X1095-8568
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