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Title:
Določitev lastnosti utrujanja poroznega lotus gradiva z numeričnimi simulacijami
Authors:
ID
Brunec, Boštjan
(Author)
ID
Ulbin, Miran
(Mentor)
More about this mentor...
ID
Kramberger, Janez
(Comentor)
Files:
UNI_Brunec_Bostjan_2014.pdf
(9,81 MB)
MD5: 43D23AF7EA64A9FD3F6672A507CDB235
Language:
Slovenian
Work type:
Undergraduate thesis
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Namen diplomskega dela je določitev dobe trajanja Lotus poroznega gradiva. Doba trajanja je izražena kot vsota potrebnih nihajev obremenitve za iniciacijo razpoke in nihajev za širjenje razpoke od začetne do kritične dolžine. Diplomsko delo zajema numerične modele Lotus poroznega gradiva, na katerih so v dveh delih izvedene numerične simulacije. Najprej so z numeričnimi simulacijami določena mesta iniciacije razpok. V nadaljevanju so z numeričnimi simulacijami prikazana širjenja začetnih razpok. Z numeričnimi simulacijami so pridobljeni podatki, ki so uporabljeni za izračun dobe trajanja.
Keywords:
porozno gradivo
,
utrujanje
,
iniciranje razpoke
,
širjenje razpoke
,
metoda končnih elementov
Place of publishing:
Maribor
Publisher:
[B. Brunec]
Year of publishing:
2014
PID:
20.500.12556/DKUM-46809
UDC:
519.6/.8:620.178.3(043.2)
COBISS.SI-ID:
18455062
NUK URN:
URN:SI:UM:DK:83EYU76C
Publication date in DKUM:
11.12.2014
Views:
1846
Downloads:
135
Metadata:
Categories:
KTFMB - FS
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:
BRUNEC, Boštjan, 2014,
Določitev lastnosti utrujanja poroznega lotus gradiva z numeričnimi simulacijami
[online]. Bachelor’s thesis. Maribor : B. Brunec. [Accessed 24 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=46809
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Secondary language
Language:
English
Title:
Determination of fatigue properties of lotus porous material with numerical simulations
Abstract:
The purpose of the thesis is to determine the service time of the Lotus porous material. The service time is expressed as the sum of all necessary loading cycles for the initiation of the crack and cycles for the spread of the crack from the starting to the critical length. The thesis includes numerical models of the Lotus porous material, on which are performed numerical simulations on two levels. Firstly, places of crack initiations are determined with numerical simulations. In continuation, the spreads of initial cracks are presented with numerical simulations. Through numerical simulations is gained the data, used for the calculation of the duration time.
Keywords:
porous material
,
fatigue
,
crack initiation
,
crack propagation
,
finite element method
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