Podrobno

Analiza geometrijskih poenostavitev pri določitvi mehanskega odziva cevi v stiku s podporo
ID Šter, Žan (Avtor), ID Halilovič, Miroslav (Mentor) Več o mentorju... Povezava se odpre v novem oknu, ID Koc, Pino (Komentor)

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Izvleček
V nalogi je obravnavana cev krožnega prereza, ki je vpeta v togo podporo in je podvržena tlačni obremenitvi fluida v cevovodu ter temperaturni spremembi. Problem je analiziran z upoštevanjem različnih geometrijskih poenostavitev. Kot najenostavnejši pristop je problem analiziran z uporabo osnosimetričnih primerov, ki jih v delu rešujemo analitično. Nadalje je problem obravnavan kot dvodimenzionalni problem, z upoštevanjem predpostavk ravninsko deformacijskega ter ravninsko napetostnega stanja. Zaradi kompleksnosti obravnave sta primera reševana po metodi končnih elementov. Nazadnje pa je izveden še preračun z upoštevanjem tridimenzionalnega problema, ki je prav tako analiziran po metodi končnih elementov. Na podlagi dobljenih napetostno-deformacijskih stanj so pristopi med seboj primerjani in ovrednoteni.

Jezik:Slovenski jezik
Ključne besede:cevovodi, tlačno in temperaturno obremenjeni cevovodi, ravninsko napetostno stanje, ravninsko deformacijsko stanje, linearna elastičnost, metoda končnih elementov
Vrsta gradiva:Zaključna naloga
Tipologija:2.11 - Diplomsko delo
Organizacija:FS - Fakulteta za strojništvo
Založnik:[Ž. Šter]
Leto izida:2018
PID:20.500.12556/RUL-102551 Povezava se odpre v novem oknu
UDK:519.61:621.643(043.2)
COBISS.SI-ID:16355611 Povezava se odpre v novem oknu
Datum objave v RUL:02.09.2018
Število ogledov:1741
Število prenosov:426
Metapodatki:XML DC-XML DC-RDF
:
ŠTER, Žan, 2018, Analiza geometrijskih poenostavitev pri določitvi mehanskega odziva cevi v stiku s podporo [na spletu]. Diplomsko delo. Ž. Šter. [Dostopano 1 april 2025]. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=102551
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Analysis of geometric simplifications in determining the mechanical response of a pipe in contact with support
Izvleček:
The thesis deals with a section of a circular pipe, which is clamped in a rigid support and is subject to pressure load of a fluid and temperature change. The problem is analyzed by considering various geometric simplifications. As the simplest approach, the problem is first analyzed with the use of axisymmetric examples, which are in practice part solved analytically. Furthermore, the problem is treated as a two-dimensional problem, taking into account the assumptions of plane stress and plane strain conditions. Due to the complexity of the treatment, finite element method is used to solve the cases. Finally, a calculation is made considering a three-dimensional problem, which is also solved by the finite element method. Based on the obtained stress-strain conditions, the approaches are compared and evaluated.

Ključne besede:pipelines, pressurized and thermally stressed pipelines, plane stress condition, plane strain condition, linear elasticity, finite element method

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