Končni elementi za simulacijo gubanja tankih lupin na elastičnih substratih : doktorsko delo

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Končni elementi za simulacijo gubanja tankih lupin na elastičnih substratih : doktorsko delo

Veldin, Tomo

V doktorski nalogi smo se ukvarjali z gubanjem tankih lupin na elastičnih substratih. Ker gubanje spada med stabilnostne in močno nelinearne probleme, so takšni sistemi zelo težki za reševanje. S ... temi problemi se v svetu ukvarja zelo malo raziskovalcev, zato je to področje še precej neraziskano. Reševanja problema smo se lotili numerično z metodo končnih elementov. Za opis kinematike lupine smo uporabili Kirchhoff-Loveovo kinematično teorijo, ki je veljavna za tanke lupine. Lupinske končne elemente smo razvili sami, ostale končne elemente pa smo povzeli po literaturi. Računalniške kode končnih elementov smo implementirali s pomočjo programa Mathematica in njenima dodatkoma AceGen in AceFem. Razvili smo nekaj različnih lupinskih končnih elementov, ki so se med seboj razlikovali po načinu interpolacije, prostostnih stopnjah in uporabljenih materialnih modelih. Elastične substrate smo opisali najprej poenostavljeno z Wrinklerjevo podlago, nato pa tudi s 3D-končnimi elementi. Rezultate numeričnih simulacij smo na koncu ovrednotili z meritvami. Meritve smo primerjali z različnimi numeričnimi simulacijami, s čimer smo želeli preveriti, kateri numerični model je najprimernejši za opis pojava gubanja.

Type of material - dissertation ; adult, serious

Publication and manufacture - Ljubljana : [T. Veldin], 2022

Language - slovenian

COBISS.SI-ID - 109623811

Link(s):
Repository of the University of Ljubljana – RUL
Digitalna knjižnica Slovenije - dLib.si

Dostop z namenskih računalnikov v prostorih NUK

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Other authors
Brojan, Miha | Brank, Boštjan

Availability in libraries

Library/institution	City	Acronym	For loan	Other holdings
Faculty of Mechanical Engineering, Ljubljana	Ljubljana	FSLJ	reading room 1 cop.
National and University Library, Ljubljana	Ljubljana	NUK	reading room 1 cop.	not for loan 1 cop.

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Year	Impact factor		Edition		Category		Classification
Year	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Veldin, Tomo	56372
Brojan, Miha	24560
Brank, Boštjan	10562

Source: Personal bibliographies and: SICRIS

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