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Welded Frame Finite Element Modelling and Experimental Modal Analysis
Blekinge Institute of Technology, School of Engineering.
Blekinge Institute of Technology, School of Engineering.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesis
Abstract [en]

In this modern developing world finite element model is one of the main tools and they are becoming more and more advanced day by day in all mechanical fields. Before manufacturing a product the demands for finite element model is more between the manufacturers. The finite element method is considered as a powerful technique which is developed for solving the numerical solution of the complex problems in structural mechanics. In welded frame finite element modeling, finite element method is used and in for comparing the results, and its corresponding behavior, co-relation with the use of experimental modal analysis. Experimental modal analysis is nothing but a simple non-mathematical presentation. This thesis involves both analytical as well as experimental measurements. By means of using modal theory, analytical model is created so as to resemble the experimental data. The welded frame measurements are taken from college lab and the readings are observed by use of experimental modal analysis. The result of this thesis work includes updated model of the frame which is experimentally taken into consideration and there measurements are both analytically and experimentally co related. Here the initial finite element model of the welded frame showed a bit differences when compared to experimental data. There are four beams that are being investigated and compared with the experimental data. An acceptable error was secured for natural frequencies when compared with experimental results and with the updated version of finite element model.

Place, publisher, year, edition, pages
2013. , 90 p.
Keyword [en]
Finite element model, Modal analysis, Experimental Investigation, Modal Updating
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-4708Local ID: oai:bth.se:arkivexAFCAA5309B9960A4C1257B0800459F32OAI: oai:DiVA.org:bth-4708DiVA: diva2:832056
Uppsok
Technology
Supervisors
Available from: 2015-04-22 Created: 2013-02-04 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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