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Adjusted approximation spaces for the treatment of transverse shear locking in isogeometric Reissner–Mindlin shell analysis

  • Transverse shear locking is an issue that occurs in Reissner–Mindlin plate and shell elements. It leads to an artificial stiffening of the system and to oscillations in the stress resultants for thin structures. The thinner the structure is, the more pronounced are the effects. Since transverse shear locking is caused by a mismatch in the approximation spaces of the displacements and the rotations, a field-consistent approach is proposed for an isogeometric degenerated Reissner–Mindlin shell formulation. The efficiency and accuracy of the method is investigated for benchmark plate and shell problems. A comparison to element formulations with locking alleviation methods from the literature is provided.

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Metadaten
Author: Georgia Kikis, Wolfgang DornischORCiD, Sven Klinkel
DOI:https://doi.org/10.1016/j.cma.2019.05.037
ISSN:0045-7825
Title of the source (English):Computer Methods in Applied Mechanics and Engineering
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2019
Tag:Adjusted approximation spaces; Isogeometric analysis; Reissner–Mindlin shells; Transverse shear locking
Volume/Year:354
First Page:850
Last Page:870
Faculty/Chair:Fakultät 6 Architektur, Bauingenieurwesen und Stadtplanung / FG Statik und Dynamik
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