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Finite-volume stress analysis in multi-material linear elastic body
Date Issued
2012-07-05
Date Available
2013-11-01T12:28:01Z
Abstract
Correct calculation of stresses at the interface of bonded or otherwise joined materials plays a significant role in many applications. It is therefore important that traction at the material interface is calculated as accurately as possible. This paper describes procedures that can be employed to achieve this goal by using centre-based finite-volume method. Total traction at the interface is calculated by decomposing it into normal and tangential components, both being calculated at each side of the interface, and applying the continuity assumption. The way in which the traction approximation is achieved depends on calculation of tangential gradient of displacement at the interface. To this end, three different methods are proposed and validated against problems with known solutions. It was shown that all methods can be successfully used to simulate problems with multi-material domains, with the procedure based on finite area method being most accurate.
Type of Material
Journal Article
Publisher
Wiley Blackwell (John Wiley & Sons)
Journal
International Journal for Numerical Methods in Engineering
Volume
93
Issue
4
Start Page
400
End Page
419
Copyright (Published Version)
2012 Wiley Blackwell (John Wiley & Sons)
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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