Computer aided-analysis of a two-piece aluminium can in shape and mass optimisation

Pao Yue-kong Library Electronic Theses Database

Computer aided-analysis of a two-piece aluminium can in shape and mass optimisation

 

Author: Wan, Chi-ping
Title: Computer aided-analysis of a two-piece aluminium can in shape and mass optimisation
Degree: M.Sc.
Year: 1998
Subject: Aluminum cans
Finite element method -- Data processing
Computer-aided design
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Mechanical Engineering
Pages: xi, 100 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1437026
URI: http://theses.lib.polyu.edu.hk/handle/200/2966
Abstract: Shape and mass optimisation for cost reduction is always a crucial topic for all manufacturing industries. Beverage can manufacturers are also facing such a requirement. The work described in this report attempts to develop a systematic approach for optimising the shape and the mass of a two-piece aluminium beverage can. Finite element analysis method and optical testing method have been integrated for the purpose. The can is initially analysed numerically to identify areas for improvement. The critical area is then experimentally tested to verify the computational findings. Afterwards the can is then improved and optimised. The optimised container can then sustain the service load at minimum material conditions. A commercially available general purpose finite element analysis package, NISA II is employed for the analysis. A real-time full-field non-destructive optical evaluation method, electronic shearography or electronic shear speckle pattern interferometry is used to verify the findings from finite element analysis. This integrated experimental and computational optimisation approach is proved to be faster and less expensive than the conventional build-and-test approach. An optimised design can be obtained with a quick turn-around design cycle.

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