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| Titel: |
Dynamic finite element modeling of poroviscoelastic soft tissue |
| Auteur: |
Yang, Zhaochun Smolinski, Patrick |
| Verschenen in: |
Computer methods in biomechanics & biomedical engineering |
| Paginering: | Jaargang 9 (2006) nr. 1 pagina's 7-16 |
| Jaar: |
2006-02 |
| Inhoud: |
Clinical evidences relative to biomechanical factors have demonstrated their important contribution to the behaviour of soft tissues. Finite element (FE) analysis is used to study the mechanical behaviour of soft tissue because it can provide numerical solutions to problems that are intractable to analytic solutions. This study focuses on the development of a FE model of a poroelastic biological tissue, which incorporates the viscoelastic material behaviour, finite deformation and inertial effect. The FE formulation is based on the weak form derived from the governing equation, and Newmark-β method as well as Newton's method is incorporated into the implicit non-linear solutions. One-dimensional analytical solutions were used to verify the theoretical formulation and the numerical implementation of the proposed model. This study was further extended to analyze two-dimensional biomechanical models and the results clearly demonstrate the importance of including finite deformation, viscoelasticity and inertial effects. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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