A multi-director continuum beam finite element for efficient analysis of multi-layer strand cables

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This study presents a multi-director continuum beam finite element developed for efficient analysis of multi-layer strand cables. The beam element is derived from the continuum mechanics based beam for-mulation incorporating multi-directors and cross-sectional elements to describe the helical geometries of wires that constitute the strand cables. The main advantage of the present continuum beam formulation is that complex geometries of strand cable and inter-wire motions can be addressed in the framework of the beam kinematics regardless of the numbers of layers and subordinate helical wires. This approach enables simple modeling together with efficient analysis, and allows both geometric and material non-linearities to be considered. In addition to its excellent accuracy, the proposed beam element model requires a significantly reduced number of degrees of freedom compared to conventional three-dimensional solid finite element models for cable analysis. Through several numerical examples, the pre-dictive ability of the proposed beam model is demonstrated. (c) 2021 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2021-11
Language
English
Article Type
Article
Citation

COMPUTERS & STRUCTURES, v.256

ISSN
0045-7949
DOI
10.1016/j.compstruc.2021.106621
URI
http://hdl.handle.net/10203/287746
Appears in Collection
ME-Journal Papers(저널논문)
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