A comparison of the hydrodynamical behaviour of three heart aortic prostheses by numerical methods
The behaviour of the blood flow passing through artificial heart valves in aortic position is numerically simulated by discretizing the Navier-Stokes equations for viscous incompressible flow through the finite element method. Three different artificial valves, Starr-Edwards, St Jude and disc valves...
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| Veröffentlicht in: | Journal of medical engineering & technology 1996-11, Vol.20 (6), p.219-228 |
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| container_title | Journal of medical engineering & technology |
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| creator | Cerrolazat, M. Herrera, M. Berrios, R. Annichiaricco, W. |
| description | The behaviour of the blood flow passing through artificial heart valves in aortic position is numerically simulated by discretizing the Navier-Stokes equations for viscous incompressible flow through the finite element method. Three different artificial valves, Starr-Edwards, St Jude and disc valves, are modelled by using the finite element method as well as the Navier-Stokes equations for viscous incompressible flow. The blood flow behaviour is characterized by discretizing both planar and axisymmetric domains of the valve devices. The streamlines as well as the velocity distributions are studied and compared. Likewise, the pressure patterns are analysed and compared. Some numerical examples of the three valves are presented and discussed herein. |
| doi_str_mv | 10.3109/03091909609009001 |
| format | Article |
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Three different artificial valves, Starr-Edwards, St Jude and disc valves, are modelled by using the finite element method as well as the Navier-Stokes equations for viscous incompressible flow. The blood flow behaviour is characterized by discretizing both planar and axisymmetric domains of the valve devices. The streamlines as well as the velocity distributions are studied and compared. Likewise, the pressure patterns are analysed and compared. Some numerical examples of the three valves are presented and discussed herein.</description><identifier>ISSN: 0309-1902</identifier><identifier>EISSN: 1464-522X</identifier><identifier>DOI: 10.3109/03091909609009001</identifier><identifier>PMID: 9029394</identifier><identifier>CODEN: JMTEDN</identifier><language>eng</language><publisher>London: Informa UK Ltd</publisher><subject>Algorithms ; Aortic Valve ; Biological and medical sciences ; Blood Flow Velocity ; Blood Pressure ; Blood Viscosity ; Computer Simulation ; Computerized, statistical medical data processing and models in biomedicine ; Heart Valve Prosthesis ; Hemorheology - classification ; Humans ; Medical sciences ; Models and simulation ; Models, Cardiovascular ; Prosthesis Design ; Regional Blood Flow ; Surface Properties</subject><ispartof>Journal of medical engineering & technology, 1996-11, Vol.20 (6), p.219-228</ispartof><rights>1996 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 1996</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c430t-5153a546a2b2316dbde66f9544472138e1bbc80ccb7a5358a84594ca2334e4103</citedby><cites>FETCH-LOGICAL-c430t-5153a546a2b2316dbde66f9544472138e1bbc80ccb7a5358a84594ca2334e4103</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.3109/03091909609009001$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.3109/03091909609009001$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,59654,59760,60443,60549,61228,61263,61409,61444</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2560585$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9029394$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cerrolazat, M.</creatorcontrib><creatorcontrib>Herrera, M.</creatorcontrib><creatorcontrib>Berrios, R.</creatorcontrib><creatorcontrib>Annichiaricco, W.</creatorcontrib><title>A comparison of the hydrodynamical behaviour of three heart aortic prostheses by numerical methods</title><title>Journal of medical engineering & technology</title><addtitle>J Med Eng Technol</addtitle><description>The behaviour of the blood flow passing through artificial heart valves in aortic position is numerically simulated by discretizing the Navier-Stokes equations for viscous incompressible flow through the finite element method. Three different artificial valves, Starr-Edwards, St Jude and disc valves, are modelled by using the finite element method as well as the Navier-Stokes equations for viscous incompressible flow. The blood flow behaviour is characterized by discretizing both planar and axisymmetric domains of the valve devices. The streamlines as well as the velocity distributions are studied and compared. Likewise, the pressure patterns are analysed and compared. 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| fulltext | fulltext |
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| ispartof | Journal of medical engineering & technology, 1996-11, Vol.20 (6), p.219-228 |
| issn | 0309-1902 1464-522X |
| language | eng |
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| source | MEDLINE; Taylor & Francis:Master (3349 titles); Taylor & Francis Medical Library - CRKN |
| subjects | Algorithms Aortic Valve Biological and medical sciences Blood Flow Velocity Blood Pressure Blood Viscosity Computer Simulation Computerized, statistical medical data processing and models in biomedicine Heart Valve Prosthesis Hemorheology - classification Humans Medical sciences Models and simulation Models, Cardiovascular Prosthesis Design Regional Blood Flow Surface Properties |
| title | A comparison of the hydrodynamical behaviour of three heart aortic prostheses by numerical methods |
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