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A new 3D co-rotational beam element for nonlinear dynamic analysis
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0003-2104-382X
2015 (English)In: COMPDYN 2015, 2015, p. 1087-1110Conference paper, Published paper (Refereed)
Abstract [en]

The paper investigates the contribution of the warping deformations and the shear center location on the dynamic response of 3D thin-walled beams obtained with an original consistent co-rotational formulation developed by the authors. Consistency of the formulation is ensured by employing the same kinematic assumptions to derive both the static and dynamic terms. Hence, the element has seven degrees of freedom at each node and cubic shape functions are used to interpolate local transversal displacements and axial rotations. Accounting for warping deformations and the position of the shear center produces additional terms in the expressions of the inertia force vector and the tangent dynamic matrix. The performance of the present formulation is assessed by comparing its predictions against 3D-solid FE solutions.

Place, publisher, year, edition, pages
2015. p. 1087-1110
Keyword [en]
Computational methods; Deformation; Degrees of freedom (mechanics); Dynamics; Engineering geology; Geophysics; Structural dynamics; Thin walled structures, Co-rotational formulation; Earthquake engineering; ECCOMAS thematic conference; Instructions; Kinematic assumptions; Proceedings; Transversal displacement; Warping deformations, Earthquakes
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-174734Scopus ID: 2-s2.0-84942284213OAI: oai:DiVA.org:kth-174734DiVA, id: diva2:866916
Conference
5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Creta Greece, 2015
Note

QC 20151105

Available from: 2015-11-04 Created: 2015-10-07 Last updated: 2015-11-04Bibliographically approved

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Battini, Jean-Marc

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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