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Determining Dynamic Characteristics of Bellows by Manipulated Beam Finite Elements of Commercial Software
Responsible organisation
2000 (English)In: International Journal of Pressure Vessels and Piping, ISSN 0308-0161, Vol. 77, no 8, 445-453 p.Article in journal (Refereed) Published
Abstract [en]

A procedure for determining dynamic characteristics of bellows by manipulating certain parameters of the beam finite elements of I-DEAS Master Series 6 is presented. The method will work in any software in which these parameters can be set by the user. Compared to a shell elements model the model size is reduced by at least a factor of 100. This is especially advantageous when the bellows is only a part of a system to be optimised with respect to overall design parameters. Stress in the bellows cannot be predicted by this method, but when the dynamic behaviour is known it can be used as input for stress calculations, if desired. In contrast to existing "semi-analytical" methods this method has the potential of considering axial, bending and torsion degrees of freedom simultaneously, and it facilitates the interaction between the bellows and the rest of the system, also modelled by beam or shell finite elements. The procedure is verified by experimental results from other investigators.

Place, publisher, year, edition, pages
Oxford: Elsevier Science , 2000. Vol. 77, no 8, 445-453 p.
Keyword [en]
Bellows, Dynamic, Beam Model, Finite Element Method.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-9533ISI: 000165264100002Local ID: oai:bth.se:forskinfoCD87BB7B5F6B6CD3C1256937002C7D79OAI: oai:DiVA.org:bth-9533DiVA: diva2:837404
Available from: 2012-09-18 Created: 2000-08-10 Last updated: 2015-06-30Bibliographically approved

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Broman, GöranJönsson, AndersHermann, Madeleine
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