Finite Element Analysis of Australian Land Speed Record Vehicle

Pham, Viet (2013). Finite Element Analysis of Australian Land Speed Record Vehicle Honours Thesis, School of Engineering, The University of Queensland.

       
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Author Pham, Viet
Thesis Title Finite Element Analysis of Australian Land Speed Record Vehicle
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2013
Thesis type Honours Thesis
Supervisor Stefan Brieschenk
Total pages 54
Language eng
Subjects 0913 Mechanical Engineering
Formatted abstract
Rosco McGlashan is taking the challenge to reach 1,000 miles per hour (mph) with the Aussie Invader 5R rocket powered vehicle and requires rocket mount design to connect the rocket motor to the chassis. Ultimately using finite element analysis (FEA) to ensure the integrity of the design and determine if linear or non-linear FEA calculates the most realistic result. The optimisation yield a final design with two turn buckles connected from the rear of the rocket motor by specialised mounts to the chassis via a hinge. Additional to the turn buckles, two pivots are also connected to the rear of the rocket motor and locked on a rail attached along the chassis. The optimisation of the design using linear FEA meant that with the rocket motor force of 62,000, linear and non-linear FEA yield the same results. Difference was only seen when the force was increased until the ultimate tensile stress (UTS) of the material was achieved. The linear FEA results show the design could withstand 289865 pound force before reaching UTS. This significantly differs in the non-linear case with a force 3565000 pound. Ultimately the results from the non-linear FEA provided a more realistic result as it considers the not only elastic material behaviour but plastic behaviour as well.
Keyword Finite element analysis (FEA)

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
 
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Created: Fri, 11 Dec 2015, 14:39:01 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service