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Using the elimination method for automated dimensioning of interference fits by means of finite element analysis

Title data

Lange, Christopher ; Zahn, Aljoscha ; Rosnitschek, Tobias ; Rieg, Frank:
Using the elimination method for automated dimensioning of interference fits by means of finite element analysis.
In: Corves, Burkhard ; Gericke, Kilian ; Grote, Karl-Heinrich ; Lohrengel, Armin ; Löwer, Manuel ; Nagarajah, Arun ; Rieg, Frank ; Scharr, Gerhard ; Stelzer, Ralf (ed.): 18. Gemeinsames Kolloquium Konstruktionstechnik 2020: Nachhaltige Produktentwicklung ; KT 2020. - Duisburg , 2020 . - pp. 41-54
ISBN 978-3-940402-43-1
DOI: https://doi.org/10.17185/duepublico/73094

Official URL: Volltext

Abstract in another language

The design of interference fits is well suited for automation due to its standardized approach. Analytical approaches such as the dimensioning according to DIN 7190 are usually limited, which is why high safety margins are accepted. If cost savings should be realized, finite element analysis (FEA) may be used. The Lagrange multiplier method or the penalty method are frequently used for the modelling. The elimination method, can combine the advantages of both methods, as it provides exact results and reduces the system of equations on the other hand. This can have a positive effect on computation times. Especially for repetitive problems - such as dimensioning fits - additional scaling effects can be realized. This contribution introduces and validates the elimination method. An approach for the automated design of interference fits is presented and its effectiveness is demonstrated using a practical example from the field of lightweight construction.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: Interference fits; Finite element analysis; Elimination method; Multi-point-constraints
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Design and CAD > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing. Frank Rieg
Faculties > Faculty of Engineering Science > Chair Engineering Design and CAD > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing Stephan Tremmel
Research Institutions > Research Units > Forschungsstelle für Additive Innovationen - Campus Additive.Innovationen (CA.I)
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 07 Dec 2020 08:57
Last Modified: 07 Dec 2020 08:57
URI: https://eref.uni-bayreuth.de/id/eprint/60809