Eiter, Thomas Walter (2020)
Existence and Spatial Decay of Periodic Navier-Stokes Flows in Exterior Domains.
Technische Universität Darmstadt
Dissertation, Bibliographie
Dies ist die neueste Version dieses Eintrags.
Kurzbeschreibung (Abstract)
A classical problem in the field of mathematical fluid mechanics is the flow of a viscous incompressible fluid past a rigid body. In his doctoral thesis, Thomas Walter Eiter investigates time-periodic solutions to the associated Navier--Stokes equations when the body performs a non-trivial translation. The first part of the thesis is concerned with the question of existence of time-periodic solutions in the case of a non-rotating and of a rotating obstacle. Based on an investigation of the corresponding Oseen linearizations, new existence results in suitable function spaces are established. The second part deals with the study of spatially asymptotic properties of time-periodic solutions. For this purpose, time-periodic fundamental solutions to the Stokes and Oseen linearizations are introduced and investigated, and the concept of a time-periodic fundamental solution for the vorticity field is developed. With these results, new pointwise estimates of the velocity and the vorticity field associated to a time-periodic fluid flow are derived.
Typ des Eintrags: | Dissertation | ||||
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Erschienen: | 2020 | ||||
Autor(en): | Eiter, Thomas Walter | ||||
Art des Eintrags: | Bibliographie | ||||
Titel: | Existence and Spatial Decay of Periodic Navier-Stokes Flows in Exterior Domains | ||||
Sprache: | Englisch | ||||
Referenten: | Farwig, Prof. Dr. Reinhard ; Kyed, Prof. Dr. Mads ; Galdi, Prof. Dr. Giovanni P. | ||||
Publikationsjahr: | 16 Juni 2020 | ||||
Ort: | Darmstadt | ||||
Datum der mündlichen Prüfung: | 27 Februar 2020 | ||||
Zugehörige Links: | |||||
Kurzbeschreibung (Abstract): | A classical problem in the field of mathematical fluid mechanics is the flow of a viscous incompressible fluid past a rigid body. In his doctoral thesis, Thomas Walter Eiter investigates time-periodic solutions to the associated Navier--Stokes equations when the body performs a non-trivial translation. The first part of the thesis is concerned with the question of existence of time-periodic solutions in the case of a non-rotating and of a rotating obstacle. Based on an investigation of the corresponding Oseen linearizations, new existence results in suitable function spaces are established. The second part deals with the study of spatially asymptotic properties of time-periodic solutions. For this purpose, time-periodic fundamental solutions to the Stokes and Oseen linearizations are introduced and investigated, and the concept of a time-periodic fundamental solution for the vorticity field is developed. With these results, new pointwise estimates of the velocity and the vorticity field associated to a time-periodic fluid flow are derived. |
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Alternatives oder übersetztes Abstract: |
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Fachbereich(e)/-gebiet(e): | 04 Fachbereich Mathematik 04 Fachbereich Mathematik > Analysis 04 Fachbereich Mathematik > Analysis > Partielle Differentialgleichungen und Anwendungen |
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Hinterlegungsdatum: | 18 Jun 2020 13:23 | ||||
Letzte Änderung: | 28 Jun 2024 08:37 | ||||
PPN: | |||||
Referenten: | Farwig, Prof. Dr. Reinhard ; Kyed, Prof. Dr. Mads ; Galdi, Prof. Dr. Giovanni P. | ||||
Datum der mündlichen Prüfung / Verteidigung / mdl. Prüfung: | 27 Februar 2020 | ||||
Export: | |||||
Suche nach Titel in: | TUfind oder in Google |
Verfügbare Versionen dieses Eintrags
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Existence and Spatial Decay of Periodic Navier-Stokes Flows in Exterior Domains. (deposited 15 Jul 2020 10:44)
- Existence and Spatial Decay of Periodic Navier-Stokes Flows in Exterior Domains. (deposited 18 Jun 2020 13:23) [Gegenwärtig angezeigt]
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