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Vibrational measurement techniques applied on FE-model updating
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
2015 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this thesis, the dynamics of two plates overlapping and connected by three bolts are studied. The data collected in the test are used in modal analysis. The vibrational test and the modal analysis were made using an LMS system. Hammer excitation is used for the tests.

The main purpose of this thesis is to study how the suspensions affect the extracted eigenfrequencies and modal dampings. In this thesis, more than 10 suspensions were examined. Another objective in this thesis work is to build an FE-model. This model is made using the software Abaqus. To improve the reliability of the FE-model, a set of reliable experimental data is used to calibrate the model. The calibrated FE-model, using the measurement data, has a dynamic behavior close to the measurement data.

Place, publisher, year, edition, pages
2015. , 27 p.
Keyword [en]
vibrational test, modal analysis, FE-model, Abaqus
National Category
Mechanical Engineering
URN: urn:nbn:se:lnu:diva-45213OAI: diva2:828486
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, Master Programme, 60 credits
Available from: 2015-06-30 Created: 2015-06-30 Last updated: 2015-06-30Bibliographically approved

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