Article (Scientific journals)
Single and bi-compartment poro-elastic model of perfused biological soft tissues: FEniCSx implementation and tutorial.
LAVIGNE, Thomas; URCUN, Stephane; Rohan, Pierre-Yves et al.
2023In Journal of the Mechanical Behavior of Biomedical Materials, 143, p. 105902
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Keywords :
Bi-compartment; FEniCSx; Mixed space; Poro-elasticity; Finite Element Analysis; Viscosity; Elasticity; Biomechanical Phenomena; Stress, Mechanical; Models, Biological; Biological soft tissue; Mechanical behavior; Poroelastic model; Soft biological tissue; Strain-rates; Time dependent; Biomaterials; Biomedical Engineering; Mechanics of Materials
Abstract :
[en] Soft biological tissues demonstrate strong time-dependent and strain-rate mechanical behavior, arising from their intrinsic visco-elasticity and fluid-solid interactions. The time-dependent mechanical properties of soft tissues influence their physiological functions and are related to several pathological processes. Poro-elastic modeling represents a promising approach because it allows the integration of multiscale/multiphysics data to probe biologically relevant phenomena at a smaller scale and embeds the relevant mechanisms at the larger scale. The implementation of multiphase flow poro-elastic models however is a complex undertaking, requiring extensive knowledge. The open-source software FEniCSx Project provides a novel tool for the automated solution of partial differential equations by the finite element method. This paper aims to provide the required tools to model the mixed formulation of poro-elasticity, from the theory to the implementation, within FEniCSx. Several benchmark cases are studied. A column under confined compression conditions is compared to the Terzaghi analytical solution, using the L2-norm. An implementation of poro-hyper-elasticity is proposed. A bi-compartment column is compared to previously published results (Cast3m implementation). For all cases, accurate results are obtained in terms of a normalized Root Mean Square Error (RMSE). Furthermore, the FEniCSx computation is found three times faster than the legacy FEniCS one. The benefits of parallel computation are also highlighted.
Disciplines :
Mechanical engineering
Author, co-author :
LAVIGNE, Thomas  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
URCUN, Stephane ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Rohan, Pierre-Yves;  Arts et Metiers Institute of Technology, IBHGC, 151 bd de l'hopital, Paris, 75013, France
Sciumè, Giuseppe;  Arts et Metiers Institute of Technology, Univ. of Bordeaux, CNRS, Bordeaux INP, INRAE, I2M Bordeaux, Avenue d'Aquitaine, Pessac, 33607, France
BAROLI, Davide  ;  University of Luxembourg > Faculty of Science, Technology and Medicine > Department of Engineering ; Università della Svizzera Italiana, Euler Institute, Lugano, Switzerland. Electronic address: davide.baroli@usi.ch
Bordas, Stéphane P A;  Institute of Computational Engineering, Department of Engineering, University of Luxembourg, 6, avenue de la Fonte, Esch-sur-Alzette, L-4364, Luxembourg, Clyde Visiting Fellow, Department of Mechanical Engineering, The University of Utah, Salt Lake City, UT, United States, Visiting Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
External co-authors :
yes
Language :
English
Title :
Single and bi-compartment poro-elastic model of perfused biological soft tissues: FEniCSx implementation and tutorial.
Publication date :
July 2023
Journal title :
Journal of the Mechanical Behavior of Biomedical Materials
ISSN :
1751-6161
eISSN :
1878-0180
Publisher :
Elsevier Ltd, Netherlands
Volume :
143
Pages :
105902
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Computational Sciences
FnR Project :
FNR17013182 - CHAMP - Characterisation And Modelling Of Perfusion And Soft Tissue Damage In Pressure Ulcer Prevention, 2022 (01/09/2022-31/08/2025) - Thomas Jeffrey Hugo Marc Lavigne
Funders :
Fonds National de la Recherche Luxembourg
Funding text :
This research was funded in whole, or in part, by the Luxembourg National Research Fund (FNR) , grant reference No. 17013182 . For the purpose of open access, the author has applied a Creative Commons Attribution 4.0 International (CC BY 4.0) license to any Author Accepted Manuscript version arising from this submission. The present project is also supported by the National Research Fund, Luxembourg , under grant No. C20/MS/14782078/QuaC .
Commentary :
https://github.com/Th0masLavigne/Dolfinx_Porous_Media.git
Available on ORBilu :
since 12 December 2023

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