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Eksperimentalna karakterizacija vira vibracij z uporabo metode psevdo sil [Elektronski vir] = Experimental characterisation of the vibration source using pseudo forces methodKošiček, Matjaž ; Čepon, Gregor ; Boltežar, MihaV računalniških simulacijah sestavov strojev pogosto nastopajo vibrirajoče (aktivne) komponente. Pri tem se navadno pojavlja vprašanje, na kakšen način numerično opisati vibracije teh komponent, ki ... se prenašajo tudi na okoliške komponente. Ena izmed metod, ki se uporabljajo za ta namen, je tudi metoda psevdo sil. Pri tej metodi predpostavimo, da lahko vibracije aktivnih komponent nadomestimo z namišljenimi silami (imenovanimi "psevdo sile"), ki delujejo na zunanjo površino aktivne komponente. Z njihovo določitvijo lahko torej karakteriziramo vibracije aktivnih komponent. S poznavanjem frekvenčnih prenosnih funkcij med točkami, v katerih delujejo psevdo sile, in poljubno točko v strukturi lahko določimo odziv te točke na psevdo sile (torej na vibracije aktivnih komponent). V članku je predstavljen in na primeru prikazan postopek določitve psevdo sil. Prikazan je tudi izračun odziva strukture v poljubni točki na vibracije aktivne komponente prek določenih psevdo sil. Narejena je tudi primerjava med dobljenim odzivom in neposredno izmerjenim odzivom na vibracije aktivne komponente. Na ta način je ocenjena natančnost metode psevdo sil.Source: Kuhljevi dnevi 2021 [Elektronski vir] : zbornik del : Bohinjska Bistrica, 23.-24. september 2021 (Str. 109-116)Type of material - conference contributionPublish date - 2021Language - slovenianCOBISS.SI-ID - 78493699
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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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