On two simple virtual Kirchhoff-Love plate elements for isotropic and anisotropic materials

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Wriggers, P.; Hudobivnik, B.; Allix, O.: On two simple virtual Kirchhoff-Love plate elements for isotropic and anisotropic materials. In: Computational mechanics : solids, fluids, engineered materials, aging infrastructure, molecular dynamics, heat transfer, manufacturing processes, optimization, fracture & integrity 69 (2022), Nr. 2, S. 615-637. DOI: https://doi.org/10.1007/s00466-021-02106-1

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/12913

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Sum total of downloads: 61




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Abstract: 
The virtual element method allows to revisit the construction of Kirchhoff-Love elements because the C1-continuity condition is much easier to handle in the VEM framework than in the traditional Finite Elements methodology. Here we study the two most simple VEM elements suitable for Kirchhoff-Love plates as stated in Brezzi and Marini (Comput Methods Appl Mech Eng 253:455–462, 2013). The formulation contains new ideas and different approaches for the stabilisation needed in a virtual element, including classic and energy stabilisations. An efficient stabilisation is crucial in the case of C1-continuous elements because the rank deficiency of the stiffness matrix associated to the projected part of the ansatz function is larger than for C-continuous elements. This paper aims at providing engineering inside in how to construct simple and efficient virtual plate elements for isotropic and anisotropic materials and at comparing different possibilities for the stabilisation. Different examples and convergence studies discuss and demonstrate the accuracy of the resulting VEM elements. Finally, reduction of virtual plate elements to triangular and quadrilateral elements with 3 and 4 nodes, respectively, yields finite element like plate elements. It will be shown that these C1-continuous elements can be easily incorporated in legacy codes and demonstrate an efficiency and accuracy that is much higher than provided by traditional finite elements for thin plates. © 2021, The Author(s).
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2021
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
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1 image of flag of Germany Germany 23 37.70%
2 image of flag of United States United States 13 21.31%
3 image of flag of China China 11 18.03%
4 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 2 3.28%
5 image of flag of Hong Kong Hong Kong 2 3.28%
6 image of flag of France France 2 3.28%
7 image of flag of No geo information available No geo information available 1 1.64%
8 image of flag of Ukraine Ukraine 1 1.64%
9 image of flag of Taiwan Taiwan 1 1.64%
10 image of flag of Russian Federation Russian Federation 1 1.64%
    other countries 4 6.56%

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