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FE assessment of an experiment employed for analysis of the transient stress energy flux through spiral slots in axially impacted cylindrical tube
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
2009 (English)In: Strojnicky Casopis, ISSN 0039-2472, Vol. 60, no 4, 181-209 p.Article in journal (Refereed) Published
Abstract [en]

The temporal and spatial distribution of the stress wave energy flux in an axially impacted cylindrical tube, whose middle part contains four spiral slots, is studied experimentally and numerically. The high-speed recording of transient surface strains was used in the experiment, while the 3D finite element treatment was employed for the numerical analysis. The aim of the paper is to ascertain how reliable is the energy assessment based on transient recordings of surface strains and on subsequent 1D wave theory reasoning. The presented paper quantitatively determines how much of the impact energy, which is predominantly of axial (longitudinal) nature, is transferred into torsional (or shear) energy mode as well as to other energy modes not seen by the experiment.

Place, publisher, year, edition, pages
2009. Vol. 60, no 4, 181-209 p.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:uu:diva-220827PubMedID: 11738645OAI: oai:DiVA.org:uu-220827DiVA: diva2:706553
Available from: 2014-03-20 Created: 2014-03-20 Last updated: 2016-04-14Bibliographically approved

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Lundberg, BengtValdek, Urmas

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