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Title:Analiza utrujanja TPMS struktur : magistrsko delo
Authors:ID Rikić, Aleksej (Author)
ID Nečemer, Branko (Mentor) More about this mentor... New window
Files:.pdf MAG_Rikic_Aleksej_2024.pdf (6,42 MB)
MD5: 5E87B7B99DE1B4AE5EAF5728637AE6E6
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V magistrski nalogi je predstavljena numerična študija določevanja življenjske dobe izbranih TPMS struktur. V začetnem delu je predstavljeno teoretično ozadje določevanja življenjske dobe, osnove celičnih struktur in njihovo mehansko obnašanje. V drugem delu naloge so predstavljene numerične analize določevanja življenjske dobe v režimu malocikličnega utrujanja. Analize so bile izvedene v kontroli deformacije za različne nivoje amplitudnih deformacij (R=-1, kar predstavlja natezno-tlačno stanje). Numerične simulacije so bile izvedene za tri najpogosteje uporabljene TPMS strukture. Numerični rezultati so bili predstavljeni v treh različnih oblikah, pri čemer je bila izvedena primerjava rezultatov med analiziranimi strukturami. Primerjani so bili numerični rezultati življenjske dobe, njihove najvišje napetosti, njihove togosti, kritična mesta za iniciacije razpok in njihova deformacijska energija.
Keywords:numerična analiza, malociklično utrujanje, TPMS, minimalne površine, aluminijeva zlitina, AA 5083-H111
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[A. Rikić]
Year of publishing:2024
Number of pages:1 spletni vir (1 datoteka PDF (XI, 57 f.))
PID:20.500.12556/DKUM-90512 New window
UDC:[519.6:620.178.3]:544.022.535(043.2)
COBISS.SI-ID:212509955 New window
Publication date in DKUM:17.09.2024
Views:145
Downloads:338
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:06.09.2024

Secondary language

Language:English
Title:Fatigue analysis of TPMS structures
Abstract:The master's thesis presents the process of analysing the lifetime of TPMS structures. The initial part presents the theoretical background of lifetime determination, the basics of cellular structures and their mechanical behaviour. In the second part of the thesis, numerical analyses of lifetime determination in the low-cycle fatigue regime are presented. The analyses were carried out in strain control for different levels of amplitude strains (R=-1, representing the tensile-compressive state). Numerical simulations were performed for the three most commonly used TPMS structures. Numerical results were presented in three different forms, and a comparison of the results between the analysed structures was performed. The numerical results of lifetimes, peak stresses, stiffnesses, critical crack initiation sites, and strain energy were compared.
Keywords:numerical analysis, low-cycle fatigue, TPMS, minimal surfaces, Aluminium alloy, AA 5083-H111


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