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Nelinearne metode redukcije modelov v dinamiki podstruktur : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoPogačar, Miha, strojnikDinamska analiza kompleksnih struktur je računsko zahtevna, zato se poslužujemo delitve strukture na več podstruktur. Vsako izmed podstruktur analiziramo ločeno in z metodami redukcije zmanjšamo ... število njenih prostostnih stopenj, nato pa podstrukture sklopimo v celoto, kar omogoča hitrejšo analizo. V prvem delu magistrske naloge je predstavljena geometrijsko linearna formulacija končnega elementa ter Craig-Bamptonova in Rubinova metoda redukcije modelov. V drugem delu magistrske naloge je formulacija končnega elementa razširjena z nelinearno zvezo med pomiki in deformacijami, kar predstavlja geometrijsko nelinearnost. Zaradi nelinearnosti sistema je potrebna tudi nadgradnja redukcijske metode. Dinamski odziv smo izračunali z uporabo analitičnih enačb, analizo celotne strukture z metodo končnih elementov in uporabo redukcijskih metod. V izbranem frekvenčnem območju smo pokazali dobro ujemanje.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Pogačar], 2018Language - slovenianCOBISS.SI-ID - 16391451
Author
Pogačar, Miha, strojnik
Other authors
Čepon, Gregor |
Boltežar, Miha
Topics
magistrske naloge |
dinamika |
geometrijska nelinearnost |
metoda končnih elementov |
podstrukturiranje |
redukcija modelov |
dynamics |
geometrical nonlinearity |
finite element methods |
substructuring |
model reduction
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Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pogačar, Miha, strojnik | 51896 |
Čepon, Gregor | 25798 |
Boltežar, Miha | 02034 |
Source: Personal bibliographies
and: SICRIS
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