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Title:
Vpliv gradirane poroznosti na mehanski odziv celičnih materialov
Authors:
ID
Starčevič, Luka
(
Author
)
ID
Ren, Zoran
(
Mentor
)
More about this mentor...
ID
Borovinšek, Matej
(
Comentor
)
Files:
UN_Starcevic_Luka_2016.pdf
(3,51 MB)
MD5: 089501083C7ADDB7CBE793C924FD8523
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
V diplomskem delu je predstavljen analitičen izračun hitrosti propagiranja plastičnega vala za celični material AlSi7. Predstavljen je izračun vseh potrebnih parametrov ter predpostavljene poenostavitve analitičnega modela. Izvedene so bile eksplicitne dinamične numerične analize za določitev hitrosti propagiranja plastičnega vala za preizkušanec s konstantno in spremenljivo poroznostjo. Predstavljena je relacija za izračun hitrosti plastičnega vala, ki temelji na predhodnih numeričnih simulacijah. Na podlagi pridobljenih rezultatov je prikazano v katerih primerih se analitični in numerični rezultati ujemajo.
Keywords:
Celični material AlSi7
,
gradirana poroznost
,
propagiranje plastičnih valov
,
analitična verifikacija
,
eksplicitne numerične simulacije
Place of publishing:
Maribor
Publisher:
[L. Starčevič]
Year of publishing:
2016
PID:
20.500.12556/DKUM-61375
UDC:
519.876.5(043.2)
COBISS.SI-ID:
20093718
NUK URN:
URN:SI:UM:DK:7LS76H5B
Publication date in DKUM:
02.09.2016
Views:
1676
Downloads:
154
Metadata:
Categories:
KTFMB - FS
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Secondary language
Language:
English
Title:
Influence of graded porosity on mechanical behaviour of cellular materials
Abstract:
In the diploma thesis, an analytical calculation of plastic wave propagation in metal foam AlSi7 is presented. Every necessary parameter and all assumptions for the analytical calculations are presented. Explicit dynamic calculations were carried out to determinate the plastic wave propagation for samples with constant and graded porosity. A relation for the velocity of plastic wave propagation which is based on numerical FE calculation is presented. Based on the results the differences between the numerical and analytical results are shown.
Keywords:
Metal foam AlSi7
,
graded porosity
,
plastic wave propagation
,
analytical verification
,
explicit numerical calculations
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