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Non-prismatic thin-walled beams: critical issues and effective modeling
AuthorBalduzzi, Giuseppe ; Sacco, Elio ; Auricchio, Ferdinando ; Füssl, Josef
Published in
Proceedings of the XXIII Conference of the Italian Association of Theoretical and Applied Mechanics, Salerno, 4-7 September 2017 / Ascione, Luigi; Berardi, Valentino; Feo, Luciano; Fraternali, Fernando; Tralli, Antonio Michele, Salerno, 2017, page 301-308
SeriesAIMETA 2017 ; volume 1
Document typeArticle in a collected edition
Keywords (EN)tapered beam / FSDT (First-order Shear Deformation Theory) / cross-section stress distribution
URNurn:nbn:at:at-ubtuw:3-3184 Persistent Identifier (URN)
 The work is publicly available
Non-prismatic thin-walled beams: critical issues and effective modeling [0.15 mb]
Abstract (English)

This work aims at highlighting critical issues that occurs in the modeling of mono-symmetric non-prismatic thin walled beams. In particular, even considering the simplified assumption of planar behavior, it is possible to demonstrate that the shear stress distribution within non-prismatic beams is substantially different from the one that occurs in prismatic beams. Furthermore, such a difference can not be neglected also in tapered beams with extremely smooth variation of the cross-section geometry. First, the work provides an accurate literature review, continues with the synopsis of a recently proposed enhanced strategy for the reconstruction of the stress distributions, and, finally, demonstrates its capabilities through a simple numerical example.

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