Document Detail


Stiffening by fiber reinforcement in soft materials: A hyperelastic theory at large strains and its application.
MedLine Citation:
PMID:  21783146     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
This work defines an incompressible, hyperelastic theory of anisotropic soft materials at finite strains, which is tested by application to the experimental response of fiber-reinforced rubber materials. The experimental characterization is performed using a uniaxial testing device with optical measures of the deformation, using two different reinforcing materials on a ground rubber matrix. In order to avoid non-physical responses of the underlying structural components of the material, the kinematics of the deformation are described using a novel deformation tensor, which ensures physical consistency at large strains. A constitutive relation for incompressible fiber-reinforced materials is presented, while issues of stability and ellipticity for the hyperelastic solution are considered to impose necessary restrictions on the constitutive parameters. The theoretical predictions of the proposed model are compared with the anisotropic experimental responses, showing high fitting accuracy in determining the mechanical parameters of the model. The constitutive theory is suitable to account for the anisotropic response at large compressive strains, opening perspectives for many applications in tissue engineering and biomechanics.
Authors:
Pasquale Ciarletta; Ivano Izzo; Silvestro Micera; Frank Tendick
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Publication Detail:
Type:  Journal Article     Date:  2011-05-08
Journal Detail:
Title:  Journal of the mechanical behavior of biomedical materials     Volume:  4     ISSN:  1878-0180     ISO Abbreviation:  J Mech Behav Biomed Mater     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-07-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101322406     Medline TA:  J Mech Behav Biomed Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1359-68     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Affiliation:
CNRS & Institut Jean le Rond d'Alembert, UMR7190, Place Jussieu 4, Case 162, F-75005 Paris, France.
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