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master's thesis
Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova
Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2021. urn:nbn:hr:179:773553
Ljubić, Tea
University of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
Department of Mechanical Engineering and Naval Architecture

Institutional repository: Repository of the Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture

Cite this document

Ljubić, T. (2021). Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova (Master's thesis). Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:179:773553

Ljubić, Tea. "Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2021. https://urn.nsk.hr/urn:nbn:hr:179:773553

Ljubić, Tea. "Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2021. https://urn.nsk.hr/urn:nbn:hr:179:773553

Ljubić, T. (2021). 'Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova', Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, accessed 28 November 2024, https://urn.nsk.hr/urn:nbn:hr:179:773553

Ljubić T. Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova [Master's thesis]. Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture; 2021 [cited 2024 November 28] Available at: https://urn.nsk.hr/urn:nbn:hr:179:773553

T. Ljubić, "Optimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova", Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:179:773553

Metadata
TitleOptimiranje oblika platine u postupcima cilindričnog dubokog vučenja temeljeno na putanji deformacije rubnih čvorova
Title (english)Optimization of initial blank shape in cylindrical cup deep drawing processes based on deformation path length of boundary nodes
AuthorTea Ljubić
MentorVedrana Cvitanić (mentor)
GranterUniversity of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
(Department of Mechanical Engineering and Naval Architecture)
Split
Defense date and country2021-03-05, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
U ovom radu razmatra se određivanje optimalnog početnog oblika lima u postupcima cilindričnog dubokog vučenja sa ciljem dobivanja posudice kružnog vanjskog ruba. Razmatraju se postupci cilindričnog dubokog vučenja potpuno i nepotpuno izvučene posudice. Optimalni oblici određuju se na temelju rezultata simulacija postupaka u programu za analizu metodom konačnih elemenata ADINA 8.6 i primjenom metode koja se temelji na mjeri odstupanja od željenog oblika i putanji deformacije rubnih čvorova. U simulacijama su korištene elastične i plastične karakteristike lima aluminijske legure Al 2090-T3. Korišteni elasto-plastični model materijala temelji se na kvadratičnoj Hill (1948) funkciji tečenja, pridruženom pravilu tečenja i izotropnom nelinearnom modelu očvršćavanja. Primjenom navedene metode, optimalni početni oblici određeni su u malom broju iteracija. Za originalne kružne i modificirane početne oblike lima uspoređena su predviđanja sile utiskivanja trna i raspodjele ekvivalentne plastične deformacije i deformacije debljine.
Abstract (english)
In this paper, the determination of the optimum initial blank shape in cylindrical deep drawing process is considered, with the aim of obtaining a cup with a circular outer edge. The processes of cylindrical deep drawing of a completely and incompletely drawn cup are considered. Optimal blank shapes are determined based on the results of simulations of processes obtained by finite element analysis program ADINA 8.6 and applying a method based on the measure of deviation from the desired shape (shape error) and the deformation path length of boundary nodes. Elastic and plastic characteristics of Al 2090-T3 aluminum alloy sheet were used in the simulations. The elasto-plastic material model used is based on the quadratic Hill (1948) yield function, the associated flow rule, and the isotropic nonlinear hardening model. Using the above method, the optimum initial blank shapes were determined in a small number of iterations. For the original circular and modified initial blank shapes, predictions of the punch force and the distribution of equivalent plastic strain and thickness strain were compared.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:179:773553
Study programmeTitle: Mechanical Engineering; specializations in: Structures and Energy Technology, Computer Aided Design and Engineering, Production Mechanical Engineering
Course: Structures and Energy Technology
Study programme type: university
Study level: graduate
Academic / professional title: Magistar/magistra inženjer/inženjerka strojarstva (Magistar/magistra inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to authenticated users
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Created on2021-11-23 13:31:10