Benchmark problems for numerical treatment of backflow at open boundaries
dc.bibliographicCitation.volume | 2372 | |
dc.contributor.author | Bertoglio, Cristóbal | |
dc.contributor.author | Bazilevs, Yuri | |
dc.contributor.author | Caiazzo, Alfonso | |
dc.contributor.author | Braack, Malte | |
dc.contributor.author | Esmaily-Moghadam, Mahdi | |
dc.contributor.author | Gravemeier, Volker | |
dc.contributor.author | Marsden, Alison L. | |
dc.contributor.author | Pironneau, Olivier | |
dc.contributor.author | Vignon-Clementel, Irene E. | |
dc.date.accessioned | 2017-04-12T23:51:32Z | |
dc.date.available | 2019-06-28T08:07:33Z | |
dc.date.issued | 2017 | |
dc.description.abstract | In computational fluid dynamics, incoming velocity at open boundaries, or <em>backflow,</em> often yields to unphysical instabilities already for moderate Reynolds numbers. Several treatments to overcome these backflow instabilities have been proposed in the literature. However, these approaches have not yet been compared in detail in terms of accuracy in different physiological regimes, in particular due to the difficulty to generate stable reference solutions apart from analytical forms. In this work, we present a set of benchmark problems in order to compare different methods in different backflow regimes (with a full reversal flow and with propagating vortices after a stenosis). The examples are implemented in FreeFem++ and the source code is openly available, making them a solid basis for future method developments. | eng |
dc.description.version | publishedVersion | eng |
dc.format | application/pdf | |
dc.identifier.issn | 2198-5855 | |
dc.identifier.uri | https://doi.org/10.34657/2059 | |
dc.identifier.uri | https://oa.tib.eu/renate/handle/123456789/2511 | |
dc.language.iso | eng | eng |
dc.publisher | Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik | eng |
dc.relation.doi | https://doi.org/10.20347/WIAS.PREPRINT.2372 | |
dc.relation.ispartofseries | Preprint / Weierstraß-Institut für Angewandte Analysis und Stochastik , Volume 2372, ISSN 2198-5855 | eng |
dc.rights.license | This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties. | eng |
dc.rights.license | Dieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. | ger |
dc.subject | Navier–Stokes Equations | eng |
dc.subject | backflow stabilization | eng |
dc.subject | benchmarking | eng |
dc.subject | blood flows | eng |
dc.subject | respiratory flows | eng |
dc.subject.ddc | 510 | eng |
dc.title | Benchmark problems for numerical treatment of backflow at open boundaries | eng |
dc.type | report | eng |
dc.type | Text | eng |
dcterms.bibliographicCitation.journalTitle | Preprint / Weierstraß-Institut für Angewandte Analysis und Stochastik | eng |
tib.accessRights | openAccess | eng |
wgl.contributor | WIAS | eng |
wgl.subject | Mathematik | eng |
wgl.type | Report / Forschungsbericht / Arbeitspapier | eng |
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