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Practical implementation of hyperelastic material methods in FEA models
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2014 (English)Student thesis
Abstract [en]

This thesis will be focusing on studies about the hyperelastic material method and how to best implement it in a FEA model. It will look more specific at the Mooney-Rivlin method, but also have a shorter explanation about the different methods. This is due to problems Roxtec has today about simulating rubber takes long time, are instable and unfortunately not completely trustworthy, therefore a deep study about the hyperelastic material method were chosen to try and address these issuers. The Mooney-Rivlin method (which is a part of the hyperelastic material method) is reliant on a few constant to represent the material, how to obtain these constants numerical and later implement these is suggested in this thesis as well. The results is the methodology needed to obtain constants for Mooney-Rivlin and later how to implement these in FEA software. In this thesis the material Roxylon has been studied and given suggestion on these constants as well as an implementation of the given material.

Abstract [sv]

För en bra simulering utav hyperelastiska material, exempelvis för gummi, har detta examensarbete fokuserat på att undersöka hyperelastiska material metoder och hur man kan implementera det i FEA program.

Place, publisher, year, edition, pages
2014. , 49 p.
Keyword [en]
FEM, FEA, Hyperelastic material method, Mooney-Rivlin
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-5654Local ID: diva2:833044
Educational program
MTACI Master of Science in Mechanical Engineering
Available from: 2015-04-22 Created: 2014-06-30 Last updated: 2016-02-22Bibliographically approved

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