Smoothed finite element method for analysis of multi-layered systems-Applications in biomaterials

Junning Chen, Zhongpu Zhang, Jianguang Fang, G. R. Liu, Qing Li

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In general, the biologic system can be rather sophisticated and commonly present in hierarchical layers. Hence, the quadrilateral or brick elements are very difficult to precisely capture the anatomic details for mechanobiologic modeling. Further, the conventional finite element method (FEM) could possibly give poor solutions using triangular or tetrahedral elements due to its overly-stiff property. In addition, the biologic soft tissues are often considered as 'incompressible' materials, where conventional FEM could suffer from volumetric locking in numerical solution. For these reasons, smoothed finite element methods (SFEM) are proposed here to solve the multi-layered bio-systems for softening conventional FEM models.

Original languageEnglish
Pages (from-to)16-29
Number of pages14
JournalComputers and Structures
Volume168
DOIs
Publication statusPublished - 1 May 2016

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