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A velocity-based moving mesh virtual element method

Wells, H.; Hubbard, M.E.; Cangiani, A.

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Authors

H. Wells

A. Cangiani



Abstract

We present a velocity-based moving mesh virtual element method for the numerical solution of PDEs involving boundaries which are free to move. The virtual element method is used for computing both the mesh velocity and a conservative Arbitrary Lagrangian-Eulerian solution transfer on general polygonal meshes. The approach extends the linear finite element method to polygonal mesh structures, achieving the same degree of accuracy. In the context of moving meshes, a major advantage of the virtual element approach is the ease with which nodes can be inserted on mesh edges. Demonstrations of node insertion techniques are presented to show that moving polygonal meshes can be simply adapted for situations where a boundary encounters a solid object or another moving boundary, without reduction in degree of accuracy.

Citation

Wells, H., Hubbard, M., & Cangiani, A. (2024). A velocity-based moving mesh virtual element method. Computers and Mathematics with Applications, 155, 110-125. https://doi.org/10.1016/j.camwa.2023.12.005

Journal Article Type Article
Acceptance Date Dec 4, 2023
Online Publication Date Dec 12, 2023
Publication Date Feb 1, 2024
Deposit Date Sep 11, 2024
Publicly Available Date Sep 27, 2024
Journal Computers and Mathematics with Applications
Print ISSN 0898-1221
Electronic ISSN 1873-7668
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 155
Pages 110-125
DOI https://doi.org/10.1016/j.camwa.2023.12.005
Public URL https://nottingham-repository.worktribe.com/output/28701576
Publisher URL https://www.sciencedirect.com/science/article/pii/S0898122123005552?via%3Dihub

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