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Title:Parametrične simulacije tlačnega obnašanja tri-periodičnih metamaterialov proizvedenih z dodajalnimi tehnologijami : magistrsko delo
Authors:ID Krajnc, Kristijan (Author)
ID Borovinšek, Matej (Mentor) More about this mentor... New window
ID Novak, Nejc (Comentor)
Files:.pdf MAG_Krajnc_Kristijan_2022.pdf (3,57 MB)
MD5: 1E1BC25D3D82BC40F19C552E183CFCBD
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V magistrskem delu je predstavljen inverzen postopek razvoja materialnega modela, ki upošteva napake v tri-periodični minimalni površinski (TPMS) celični strukturi proizvedeni z dodajalnimi tehnologiji. TPMS celične strukture na osnovi plošč so novi metamateriali, ki kažejo visok potencial v širokem spektru uporabe. Pridobljeni, urejeni in ovrednoteni so bili eksperimentalni rezultati tlačnega preizkušanja TPMS celične strukture iz nerjavečega jekla AISI 316L. Izvedene so bile kvazi-statične računalniške simulacije s programskim paketom LS-Dyna na računalniški gruči Univerze v Mariboru HPC-CORE. Cilj simulacij je bil izdelati materialni model s katerim bi dobro ujeli eksperimentalne rezultate preizkušancev. Preizkušenih je bilo več načinov upoštevanja napak v strukturi in ovrednoten je bil vpliv porazdelitve napak po strukturi. Pridobljeni rezultati simulacije so pokazali dobro ujemanje z eksperimentalnimi rezultati.
Keywords:metoda končnih elementov, kvazi-statične simulacije, celični materiali, tri-periodične minimalne površine, dodajalne tehnologije
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[K. Krajnc]
Year of publishing:2022
Number of pages:1 spletni vir (1 datoteka PDF (X, 51 f.))
PID:20.500.12556/DKUM-82278 New window
UDC:621.22.011(043.2)
COBISS.SI-ID:151444483 New window
Publication date in DKUM:19.09.2022
Views:680
Downloads:140
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:09.08.2022

Secondary language

Language:English
Title:Parametric simulations of compressive behaviour of triply periodic metamaterials manufactured with additive technologies
Abstract:The master thesis presents an inverse material model development procedure that takes into account the defects in the triply-periodic minimal surface (TPMS) cellular structure produced by additive manufacturing. TPMS cellular structures based on shells are new metamaterials showing high potential in a wide range of applications. Experimental results of compression testing of TPMS cellular structures made from AISI 316L stainless steel were obtained, collected, and evaluated. Quasi-static computer simulations were performed with the LS-Dyna software package on the University of Maribor HPC-CORE computer cluster. The aim of the simulations was to determine a material model that would give results as close as possible to the experimental results. Several approaches for accounting of errors in the structure were tested and the influence of error distribution across the structure was evaluated. The simulation results obtained showed a good corelation with the experimental results.
Keywords:finite element method, quasi-static simulations, cellular materials, triply periodic minimal surface, additive technologies


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