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Lightweight Car Body Side
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2019 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report addresses a master thesis carried out by a mechanical engineering student at Lulea University of Technology. The thesis was conducted at Gestamp HardTech in the spring of 2019. The goal of the thesis was to design a Door Ring with carbon fiber reinforced polymer patches which was supposed to be lighter and have equally as good crash performance as the existing all-steel solution.

In order to fulfil the goal of the thesis the generated designs were tested in full car crash simulations. Full car crash simulations of the old designs were also conducted to get references to compare the results to. The full car crash simulations were conducted on the G-LAB 10 version 0.8 and the simulations were set up to mimic the Side Impact MDB, Small Frontal OVerlap and Roof Strength test of the IIHS standard. The final design that was generated in this thesis was the outcome of an iterative design process that were developed to optimize both performance and weight of the Door Ring.

A final design suggestion is made in this report. The final design matches the performance of the all-steel solution and is 1.55 kg lighter. A weight decrease of 1.55 kg is equal to a weight reduction of 10.6 %.

In the end of the report the results are discussed, conclusions are made and future work is suggested.

Place, publisher, year, edition, pages
2019. , p. 56
Series
Thesis: Master of Science in Mechanichal Engineering
Keywords [en]
Door Ring, Carbon Fiber Reinforced Polymer, CFRP, Car Crash Simulations, Carbon Fiber, Car Body, Car Body Side, Lightweight, FEM
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-74605OAI: oai:DiVA.org:ltu-74605DiVA, id: diva2:1325777
External cooperation
Gestamp HardTech
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Supervisors
Examiners
Available from: 2019-06-24 Created: 2019-06-17 Last updated: 2019-06-24Bibliographically approved

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CiteExportLink to record
Permanent link

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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
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  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf