{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T21:11:08Z","timestamp":1768079468737,"version":"3.49.0"},"reference-count":83,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2024,12,27]],"date-time":"2024-12-27T00:00:00Z","timestamp":1735257600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>The switching properties of nematic liquid crystals under electrical and mechanical stresses play a fundamental role in the design and fabrication of electro-optical devices. Depending on the stress applied to a nematic texture confined in a pi-cell, different nematic configurations are allowed inside the cell, while the induced distortion is relaxed by means of growing biaxial domains which can end with the order reconstruction phenomenon, a transition connecting two topologically different nematic textures which can occur in different regions of the pi-cell. Due to the different space and time scales involved, modelling in the frame of the Landau\u2013de Gennes order tensor theory is mandatory to correctly describe the fast-switching mechanisms involved, while from a computational point of view, sophisticated numerical techniques are required to grasp tiny and fast features which can be predicted by the mathematical modelling. In this paper, we review the results obtained from the mathematical and numerical modelling of a 5CB liquid crystal confined in a pi-cell performed by using a numerical technique based on the equidistribution principle, tailored for the description of a complex physical system in which fast switching phenomena are coupled with strong distortions. After a recap on the underneath theory and on the numerical method, we focus on the switching properties of the nematic material when subjected to variable mechanical and electrical stresses in both symmetric and asymmetric conditions.<\/jats:p>","DOI":"10.3390\/sym17010030","type":"journal-article","created":{"date-parts":[[2024,12,27]],"date-time":"2024-12-27T09:13:32Z","timestamp":1735290812000},"page":"30","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Moving Mesh Partial Differential Equation Modelling of a 5CB Nematic Liquid Crystal Confined in Symmetric and Asymmetric Pi-Cells: A Review"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2311-3131","authenticated-orcid":false,"given":"Antonino","family":"Amoddeo","sequence":"first","affiliation":[{"name":"Department of Civil, Energy, Environment and Materials Engineering, University \u2018Mediterranea\u2019 of Reggio Calabria, Via R. Zehender 1, Feo di Vito, I-89122 Reggio Calabria, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2024,12,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"765","DOI":"10.1017\/S0962492921000088","article-title":"Modelling and computation of liquid crystals","volume":"30","author":"Wang","year":"2021","journal-title":"Acta Numer."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Guardi\u00e0, J., Reina, J.A., Giamberini, M., and Montan\u00e9, X. (2024). An Up-to-Date Overview of Liquid Crystals and Liquid Crystal Polymers for Different Applications: A Review. Polymers, 16.","DOI":"10.3390\/polym16162293"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"520","DOI":"10.1016\/j.molliq.2018.01.175","article-title":"Introduction to liquid crystals","volume":"267","author":"Andrienko","year":"2018","journal-title":"J. Mol. 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