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On the advantages of mixed formulation and higher-order elements for computational morphoelasticity
Journal of the Mechanics and Physics of Solids, Volume: 148, Start page: 104289
Swansea University Authors: Chennakesava Kadapa , Mokarram Hossain
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DOI (Published version): 10.1016/j.jmps.2020.104289
Abstract
In this paper, we present a mixed displacement–pressure finite element formulation that can successively model compressible as well as truly incompressible behaviour in growth-induced deformations significantly observed in soft materials. Inf–sup stable elements of various shapes based on quadratic...
Published in: | Journal of the Mechanics and Physics of Solids |
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ISSN: | 0022-5096 |
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Elsevier BV
2021
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URI: | https://cronfa.swan.ac.uk/Record/cronfa55967 |
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2021-02-03T13:04:19.0858984 v2 55967 2021-01-05 On the advantages of mixed formulation and higher-order elements for computational morphoelasticity de01927f8c2c4ad9dcc034c327ac8de1 0000-0001-6092-9047 Chennakesava Kadapa Chennakesava Kadapa true false 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2021-01-05 MACS In this paper, we present a mixed displacement–pressure finite element formulation that can successively model compressible as well as truly incompressible behaviour in growth-induced deformations significantly observed in soft materials. Inf–sup stable elements of various shapes based on quadratic Bézier elements are employed for spatial discretisation. At first, the capability of the proposed framework to accurately model finite-strain growth-induced deformations is illustrated using several examples of plate models in which numerical results are directly compared with analytical solutions. The framework is also compared with the classical Q1/P0 finite element that has been used extensively for simulating the deformation behaviour of soft materials using the quasi-incompressibility assumption. The comparisons clearly demonstrate the superior capabilities of the proposed framework. Later, the effect of hyperelastic constitute models and compressibility on the growth-induced deformation is also studied using the example of a bilayered strip in three dimensions. Finally, the potential of the proposed finite element framework to simulate growth-induced deformations in complex three-dimensional problems is illustrated using the models of flower petals, morphoelastic rods, and thin cylindrical tubes. Journal Article Journal of the Mechanics and Physics of Solids 148 104289 Elsevier BV 0022-5096 Growth-induced deformations, Finite element analysis, Mixed formulation, Hyperelasticity, Morphoelasticity 1 3 2021 2021-03-01 10.1016/j.jmps.2020.104289 COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University 2021-02-03T13:04:19.0858984 2021-01-05T15:54:26.0456802 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Chennakesava Kadapa 0000-0001-6092-9047 1 Zhanfeng Li 2 Mokarram Hossain 0000-0002-4616-1104 3 Jiong Wang 4 55967__18976__89f3bfb378e74d768a04d921adc8915e.pdf 55967.pdf 2021-01-05T15:58:34.3250427 Output 3917106 application/pdf Accepted Manuscript true 2021-12-29T00:00:00.0000000 ©2020 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng http://creativecommons.org/licenses/by-nc-nd/4.0/ |
title |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
spellingShingle |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity Chennakesava Kadapa Mokarram Hossain |
title_short |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
title_full |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
title_fullStr |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
title_full_unstemmed |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
title_sort |
On the advantages of mixed formulation and higher-order elements for computational morphoelasticity |
author_id_str_mv |
de01927f8c2c4ad9dcc034c327ac8de1 140f4aa5c5ec18ec173c8542a7fddafd |
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de01927f8c2c4ad9dcc034c327ac8de1_***_Chennakesava Kadapa 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain |
author |
Chennakesava Kadapa Mokarram Hossain |
author2 |
Chennakesava Kadapa Zhanfeng Li Mokarram Hossain Jiong Wang |
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Journal article |
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Journal of the Mechanics and Physics of Solids |
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148 |
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104289 |
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2021 |
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Swansea University |
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0022-5096 |
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10.1016/j.jmps.2020.104289 |
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Elsevier BV |
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description |
In this paper, we present a mixed displacement–pressure finite element formulation that can successively model compressible as well as truly incompressible behaviour in growth-induced deformations significantly observed in soft materials. Inf–sup stable elements of various shapes based on quadratic Bézier elements are employed for spatial discretisation. At first, the capability of the proposed framework to accurately model finite-strain growth-induced deformations is illustrated using several examples of plate models in which numerical results are directly compared with analytical solutions. The framework is also compared with the classical Q1/P0 finite element that has been used extensively for simulating the deformation behaviour of soft materials using the quasi-incompressibility assumption. The comparisons clearly demonstrate the superior capabilities of the proposed framework. Later, the effect of hyperelastic constitute models and compressibility on the growth-induced deformation is also studied using the example of a bilayered strip in three dimensions. Finally, the potential of the proposed finite element framework to simulate growth-induced deformations in complex three-dimensional problems is illustrated using the models of flower petals, morphoelastic rods, and thin cylindrical tubes. |
published_date |
2021-03-01T20:11:26Z |
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1822071809151860736 |
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11.048302 |