Subject-specific tribo-contact conditions in total knee replacements: a simulation framework across scales.
Biomechanics
Biotribology
In silico modeling
Multiscale simulation
Total knee replacement
Journal
Biomechanics and modeling in mechanobiology
ISSN: 1617-7940
Titre abrégé: Biomech Model Mechanobiol
Pays: Germany
ID NLM: 101135325
Informations de publication
Date de publication:
Aug 2023
Aug 2023
Historique:
received:
23
12
2022
accepted:
09
05
2023
medline:
27
7
2023
pubmed:
21
5
2023
entrez:
20
5
2023
Statut:
ppublish
Résumé
Fundamental knowledge about in vivo kinematics and contact conditions at the articulating interfaces of total knee replacements are essential for predicting and optimizing their behavior and durability. However, the prevailing motions and contact stresses in total knee replacements cannot be precisely determined using conventional in vivo measurement methods. In silico modeling, in turn, allows for a prediction of the loads, velocities, deformations, stress, and lubrication conditions across the scales during gait. Within the scope of this paper, we therefore combine musculoskeletal modeling with tribo-contact modeling. In the first step, we compute contact forces and sliding velocities by means of inverse dynamics approach and force-dependent kinematic solver based upon experimental gait data, revealing contact forces during healthy/physiological gait of young subjects. In a second step, the derived data are employed as input data for an elastohydrodynamic model based upon the finite element method full-system approach taking into account elastic deformation, the synovial fluid's hydrodynamics as well as mixed lubrication to predict and discuss the subject-specific pressure and lubrication conditions.
Identifiants
pubmed: 37210464
doi: 10.1007/s10237-023-01726-1
pii: 10.1007/s10237-023-01726-1
pmc: PMC10366315
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1395-1410Subventions
Organisme : Vicerrectoría Académica (VRA) of the Pontificia Universidad Católica de Chile
ID : Programa de Inserción Académica
Informations de copyright
© 2023. The Author(s).
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