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Modelno posodabljanje s pomočjo meritev s hitro kamero
ID Čufar, Krištof (Author), ID Slavič, Janko (Mentor) More about this mentor... This link opens in a new window

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Abstract
Cilj modelnega posodabljanja je pridobitev izboljšanega numeričnega modela, ki je sposoben natančnega poustvarjanja odziva realne strukture. Meritev vibracij s pomočjo hitre kamere je ena od razvijajočih se alternativ klasičnemu pristopu meritev s pospeškomeri. Nekatere metode modelnega posodabljanja smo teoretično predstavili ter jih ovrednotili na podlagi sintetičnih eksperimentov ter preprostega realnega eksperimenta, ki je služil tudi primerjavi meritev s pospeškomerom ter meritev s hitro kamero. Slednje so se izkazale za obetavne, razvidne pa so bile tudi potencialne prednosti uporabe hitre kamere na geometrijsko kompleksnejših strukturah.

Language:Slovenian
Keywords:strukturna dinamika, modalna analiza, hitre kamere, modelno posodabljanje, direktne metode, iterativne metode
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[K. Čufar]
Year:2022
Number of pages:XXIV, 69 str.
PID:20.500.12556/RUL-138903 This link opens in a new window
UDC:534.61:531.768(043.2)
COBISS.SI-ID:119126531 This link opens in a new window
Publication date in RUL:25.08.2022
Views:911
Downloads:171
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Secondary language

Language:English
Title:Model updating using high-speed camera measurements
Abstract:
The goal of model updating is to obtain an improved numerical model capable of accurately reproducing the response of a real structure. Vibration measurement using a high-speed camera is one of the developing alternatives to the classic approach of measuring with accelerometers. Selected methods of model updating were theoretically presented and evaluated on the basis of synthetic experiments and a simple real experiment, which also served to compare measurements with an accelerometer and measurements with a high-speed camera. The latter proved to be promising and with the potential advantages with more complex structures.

Keywords:structural dynamics, modal analysis, high-speed cameras, model updating, direct methods, iterative methods

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