A visco-hyperelastic constitutive model and its application in bovine tongue tissue

Journal of Biomechanics
Ali-Akbar Karkhaneh YousefiYohan Payan

Abstract

Material properties of the human tongue tissue have a significant role in understanding its function in speech, respiration, suckling, and swallowing. Tongue as a combination of various muscles is surrounded by the mucous membrane and is a complicated architecture to study. As a first step before the quantitative mechanical characterization of human tongue tissues, the passive biomechanical properties in the superior longitudinal muscle (SLM) and the mucous tissues of a bovine tongue have been measured. Since the rate of loading has a sizeable contribution to the resultant stress of soft tissues, the rate dependent behavior of tongue tissues has been investigated via uniaxial tension tests (UTTs). A method to determine the mechanical properties of transversely isotropic tissues using UTTs and inverse finite element (FE) method has been proposed. Assuming the strain energy as a general nonlinear relationship with respect to the stretch and the rate of stretch, two visco-hyperelastic constitutive laws (CLs) have been proposed for isotropic and transversely isotropic soft tissues to model their stress-stretch behavior. Both of them have been implemented in ABAQUS explicit through coding a user-defined material subroutine called VU...Continue Reading

References

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Apr 19, 2015·Biomedical Engineering Online·Sahand Ahsanizadeh, LePing Li

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Citations

Apr 10, 2019·Computer Methods in Biomechanics and Biomedical Engineering·K D R KappertF van der Heijden
Sep 25, 2020·Computer Methods in Biomechanics and Biomedical Engineering·Sahba IravanimaneshMojtaba Azadi
Oct 16, 2020·Computer Methods and Programs in Biomedicine·Maxime CalkaYohan Payan

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