Faculty of Mechanical Engineering, Lj. (FSLJ)
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Razvoj programskega vmesnika za izračun dinamske togosti kotalnih ležajev : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoKošiček, MatjažKer kotalni ležaji povezujejo statični del naprave z rotirajočim, njihove dinamske lastnosti ključno vplivajo na dinamične lastnosti celotne naprave. V simulacijah dinamike rotacijskih naprav je ... zanesljivost numeričnega modela ležaja torej bistvenega pomena. Ležaj se zaradi svoje geometrijske kompleksnosti navadno modelira kot elastično povezavo rotirajočega dela naprave s statičnim, numerično opisano v obliki togostne matrike. Pričujoča naloga je bila zaradi njihove pogoste uporabe osredotočena na kroglične ležaje. V ta namen je bil med obstoječimi modeli izbran model Lima in Singha. Najprej so bile analizirane kinematične razmere izbranega modela ter kontaktne razmere znotraj ležaja po Hertzovi teoriji kontaktov. S pomočjo principa minimizacije celotne potencialne energije so bili določeni pomiki in zasuki ležaja pri danih obremenitvah. Posredno so bile prek zvez med silami in momenti ter pomiki in zasuki ležaja določene enačbe za izračun koeficientov togostne matrike. Izdelana je bila tudi računalniška aplikacija za izračun togostne matrike pri poljubnih obremenitvah ležajev. Na koncu je bila verificirana ustreznost razvitega modela prek primerjave z že obstoječimi aplikacijami za izračun togosti ležajev.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Košiček], 2019Language - slovenianCOBISS.SI-ID - 16835611
Author
Košiček, Matjaž
Other authors
Čepon, Gregor |
Boltežar, Miha
Topics
magistrske naloge |
kroglični ležaji |
togostna matrika |
Hertzova teorija kontaktov |
potencialna energija |
grafični uporabniški vmesniki |
ball bearings |
stiffness matrix |
Hertzian contact theory |
potential energy |
graphical user interfaces
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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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Košiček, Matjaž | ![]() |
Čepon, Gregor | 25798 |
Boltežar, Miha | 02034 |
Source: Personal bibliographies
and: SICRIS
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