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Miran Ulbin
University of Maribor
Mathematical optimizationFinite element methodComposite materialMaterials scienceCrack closure
29Publications
7H-index
215Citations
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Publications 29
Newest
#1Miran Ulbin (University of Maribor)H-Index: 7
#2J. Kramberger (University of Maribor)H-Index: 1
Last. Srečko Glodež (University of Maribor)H-Index: 16
view all 3 authors...
Abstract Fatigue life analysis of porous materials such as metal foams is very difficult to process because a comprehensive computational analysis using numerical models with a huge number of finite elements is required for that purpose. Instead of modelling the exact internal structure of treated porous materials, an appropriate homogenised material model of AlSi7 closed-cell aluminium foam is used in this study. The numerical analysis is based on the available experimental results from static ...
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#1Miran Ulbin (University of Maribor)H-Index: 7
#2Srečko Glodež (University of Maribor)H-Index: 16
Last. J. Kramberger (University of Maribor)H-Index: 1
view all 7 authors...
Abstract The computational and experimental investigation of the fatigue behaviour of AlSi7 aluminium foam is presented in this study. The internal structure of a highly porous specimen was recorded using CT images to enable the subsequent detailed numerical modelling using the finite element method. A new approach for determination of the fatigue life of foam materials was developed, where the standardised approach is very difficult or even not possible to be used. In the proposed approach, sev...
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Jan 1, 2019 in PARCO (Parallel Computing)
#1Miran Ulbin (University of Maribor)H-Index: 7
#2Zoran Ren (University of Maribor)H-Index: 20
#1Miran UlbinH-Index: 7
#2Matej VesenjakH-Index: 23
Last. Zoran RenH-Index: 20
view all 7 authors...
3 CitationsSource
#1Masatoshi NishiH-Index: 7
#2Masaki Oshita (Kumamoto University)H-Index: 1
Last. Kazuyuki Hokamoto (Kumamoto University)H-Index: 16
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The explosive compaction fabrication process of cylindrical uni-directional porous copper, consisting of an outer pipe completely filled with smaller inner pipes, was investigated by experimental and computational simulations to analyze and optimize the fabrication process conditions. The computational simulations were carried out using a two-dimensional model, mimicking the transverse cross-section of fabricated specimens. The computational simulation results revealed that the velocity of the o...
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#1Zoran RenH-Index: 1
#2Miran UlbinH-Index: 7
Last. Matej VesenjakH-Index: 23
view all 3 authors...
Ucbenik s podrocja inženirskih racunalniskih simulacij je namenjen kot studijski pripomocek pri izvedbi predavanj predmetov Inženirske racunalniske simulacije in Racunalniske simulacije v konstrukterstvu ter posredno pri predmetih Inženirska orodja 2 in Numericna mehanika trdnin. Vsebuje razlago celotne snovi, ki jo morajo studentje pri teh predmetih osvojiti, in je skladen z ucnimi nacrtom omenjenih predmetov.
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#1Zoran RenH-Index: 1
#2Miran UlbinH-Index: 7
Last. Matej VesenjakH-Index: 23
view all 3 authors...
The textbook covers the field of engineering computational simulations and is intended as a study aid for the lectures on Engineering computational simulations and Computational simulations in mechanical design, and indirectly in Engineering Tools 2 and Computational solid mechanics. It contains the explanation of the entire contents that the students must acquire in these subjects and is in accordance with the curriculum of the mentioned subjects.
#1Zoran RenH-Index: 1
#2Miran UlbinH-Index: 7
Last. Matej VesenjakH-Index: 23
view all 3 authors...
Engineering Computational Simulations in Mechanical Design: University Textbook. The textbook covers the field of engineering computational simulations and is intended as a study aid for the lectures on Engineering computational simulations and Computational simulations in mechanical design, and indirectly in Engineering Tools 2 and Computational solid mechanics. It contains the explanation of the entire contents that the students must acquire in these subjects and is in accordance with the curr...
#1Ján Kopačka (CAS: Academy of Sciences of the Czech Republic)H-Index: 4
#2Dušan Gabriel (CAS: Academy of Sciences of the Czech Republic)H-Index: 4
Last. Miran Ulbin (University of Maribor)H-Index: 7
view all 4 authors...
Summary In computational contact mechanics problems, local searching requires calculation of the closest point projection of a contactor point onto a given target segment. It is generally supposed that the contact boundary is locally described by a convex region. However, because this assumption is not valid for a general curved segment of a three-dimensional quadratic serendipity element, an iterative numerical procedure may not converge to the nearest local minimum. To this end, several uncons...
4 CitationsSource
#1Peter Göncz (University of Maribor)H-Index: 7
#2Miran Ulbin (University of Maribor)H-Index: 7
Last. Srečko Glodež (University of Maribor)H-Index: 16
view all 3 authors...
Abstract A computational model for the assessment of the static load capacity of roller-slewing bearings with a case-hardened raceway is presented in this paper. The proposed 3D numerical model considers different influential parameters (arbitrary roller geometry, actual mechanical properties of raceway׳s material, tilted contact between the roller and raceway segment, etc.) on the allowable contact loading between rollers and their raceway. Within this paper, three representative types of rolle...
8 CitationsSource
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