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Title:Računski model za analizo trdnosti smrekovega lesa : magistrsko delo
Authors:ID Fakin, Jure (Author)
ID Glodež, Srečko (Mentor) More about this mentor... New window
Files:.pdf MAG_Fakin_Jure_2023.pdf (3,80 MB)
MD5: 88239E7AA1675E1C88D6CC679105AC3F
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Čeprav je les v uporabi že od pradavnine, je splošno razumevanje njegovega mehanskega obnašanja zelo skromno. V magistrskem delu je na osnovi rezultatov izvedenih statičnih in dinamičnih tri-točkovnih upogibnih preizkusov, bil določen materialni model smrekovega lesa. Vrednosti statičnih materialnih parametrov so bile določene s postopkom inverzne določitve, ki temelji na zaporednem izvajanju numeričnih simulacij. Na osnovi rezultatov dinamičnih upogibnih preizkusov je bila določena enačba S-N krivulje, na osnovi katere je bila potrjena S-N krivulja, pridobljena z numeričnimi simulacijami. Končen rezultat je bil razvit in potrjen materialni model, s katerim je mogoče predvideti odziv komponent iz smrekovega lesa izpostavljenih statični obremenitvi in napovedati njihovo življenjsko dobo pri cikličnem utripnem obremenjevanju v tangencialni orientaciji lesnih vlaken.
Keywords:smrekov les, eksperimentalno testiranje, numerične simulacije, inverzna določitev materialnih parametrov, S-N krivulja.
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[J. Fakin]
Year of publishing:2023
Number of pages:1 spletni vir (1 datoteka PDF (XIV, 72 f.))
PID:20.500.12556/DKUM-86174-c3306636-dc73-feae-a6a7-76eb8623831b New window
UDC:539.4:674.032.475.5(043.2)
COBISS.SI-ID:174755075 New window
Publication date in DKUM:07.11.2023
Views:530
Downloads:99
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-ND 4.0, Creative Commons Attribution-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nd/4.0/
Description:Under the NoDerivatives Creative Commons license one can take a work released under this license and re-distribute it, but it cannot be shared with others in adapted form, and credit must be provided to the author.
Licensing start date:17.10.2023

Secondary language

Language:English
Title:Computational model for strength analysis of spruce wood
Abstract:Even though wood has been used for ages, the general understanding of its mechanical properties is sparse at best. In this master thesis, material model for spruce wood was calculated based on acquired results from static and dynamic three-point bending tests. Values of static material parameters were calculated with the process of inverse determination, which is based on sequential calculation of numerical simulations. Based on results of dynamic bending tests the equation of S-N curve was proposed, which was later used to validate the S-N curve acquired from results of numerical simulations. In the end a material model was proposed, which can be used to predict response of components made from spruce wood while subjected to static loading, and to predict the number of load cycles to material failure for components that are subjected to periodic pulsating loading in tangential orientation of wood fibres.
Keywords:spruce wood, experimental tests, numerical simulations, inverse determination of material properties, S-N curve.


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