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Parametric model for structural stability computation of chassis in tipper trailers.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2011 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

When a tipper trailer empties the load it carries, a torque occurs if the trailer stands on uneven ground. To withstand this torque, and prevent the trailer to roll over, the chassis‟ torsional stiffness must be high enough. The stiffness is highly dependent of the geometry of the chassis structure. When analysing different geometries the pre-processing of the finite element (FE)-model is time consuming.

The first part in this master thesis was to assess what element type to use for this type of load case. It was necessary to simplify the FE-model as much as possible for the second part of the thesis. A comparison of modelling the chassis with beam elements instead of shell elements was performed. It was concluded that

resultant beam elements should be used when analysing the torsional stiffness of the chassis.

In the second part of this master thesis a program was developed to automate the FE-modelling of the chassis, this to be able to compare several chassis structures in a short amount of time. The program generates a FE-model of the desired chassis structure depending on parameters given from the user. The program produces a text file, containing information about the FE-model, which can be read and viewed in a LS-DYNA compatible pre-processor.

Place, publisher, year, edition, pages
2011. , 46 p.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-92642OAI: oai:DiVA.org:kth-92642DiVA: diva2:561797
Subject / course
Solid Mechanics
Educational program
Master of Science in Engineering -Engineering Physics
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-10-22 Created: 2012-04-05 Last updated: 2012-10-22

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File information
File name FULLTEXT01.pdfFile size 2426 kBChecksum SHA-512
76a02549a2700b7887612ab9add1c266caedff0ec80eb202a9533c1d511c752670140852bde69f5b68558e578b05d425ebf408f3c7405be48a35d8a090499017
Type fulltextMimetype application/pdf

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Applied Mechanics

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CiteExportLink to record
Permanent link

Direct link
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
  • rtf