Proračun čvrstoće vertikalnog silosa za žito

Perčinlić, Toni (2018) Proračun čvrstoće vertikalnog silosa za žito. = Strength calculation of grain storage silos. Undergraduate thesis , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Skozrit, Ivica.

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Abstract (Croatian)

Glavni cilj ovoga rada je provesti numerički proračun vertikalnog silosa za žito koji je svojim dimenzijama i konstrukcijom vrlo sličan realnom silosu. U prvom poglavlju pojašnjavaju se silosi i procesi koji se odvijaju u silosima te se opisuje problem kojega je potrebno riješiti. Prikazan je način na koji su se odredile dimenzije silosa s obzirom na način protoka materijala pri ispuštanju iz silosa. Zatim se objašnjava metoda konačnih elemenata te se govori o elementima koji su se koristili u analizama ovoga rada. Prikazani su verifikacijski primjeri koji su poslužili kao jednostavniji primjeri za rješavanje problematike silosa kako bi se utvrdila ispravnost elemenata potrebnih za analizu samoga silosa. U četvrtom poglavlju, proveden je analitički proračun pojednostavljenog silosa te su rezultati uspoređeni s rezultatima koji su se dobili numeričkim putem. Na kraju se provodi analiza silosa s konstrukcijom koja je bliska realnoj te se daju rezultati analize i uspoređuju sa rezultatima koji su se dobili kod pojednostavljenog silosa.

Abstract

The main goal of this thesis is to carry out a numerical calculation of the vertical grain storage silo, which is, by its dimensions and construction, close to a real silo. In the first chapter, silos and processes that take place in silos are explained as well as the problem that needs to be solved. The method by which the silo dimensions were determined, with respect to the manner of material flow during silo discharge, is shown. In addition, the finite element method as well as the elements that were used in analysis of this thesis are explained. Verification examples that were used as simple examples for silo problematics solving are shown in order to determine correctness of the elements required for silo analysis. In the fourth chapter, an analytical calculation of the simplified silo was performed and the results were compared with the results obtained by numerical method. Finally, an analysis of the silo with construction similar to the real silo is performed and the results of the analysis, as well as the results comparison with the simplified silo, are shown.

Item Type: Thesis (Undergraduate thesis)
Uncontrolled Keywords: vertikalni silos; metoda konačnih elemenata; žitarice; Abaqus
Keywords (Croatian): vertical silo; Finite Element Method; cereals; Abaqus
Subjects: TECHNICAL SCIENCE > Mechanical Engineering > general mechanical engineering (construction)
Divisions: 200 Department of Engineering Mechanics > 210 Chair of Mechanics and Strength of Materials
Date Deposited: 24 Sep 2018 09:42
Last Modified: 29 Nov 2019 15:15
URI: http://repozitorij.fsb.hr/id/eprint/8811

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