On the modeling of the linear viscoelastic behaviour of biological materials using Comsol Multiphysics
Applied and Computational Mechanics, Vol. 1, No. 1, pp. 175 - 184
F. Moravec (corresponding author:  fanny@kme.zcu.cz )
N. Letzelter

The aim of this article is to simulate the viscoelastic behaviour during quasi-static equilibrium processes using the software Comsol Multiphysics. Two-dimensional constitutive equations of the three most classical rheological models (the Kelvin-Voigt, Maxwell and Three-Elements models) are developed and the mechanical equations for each model are rewritten to be compatible with the predefined Comsol format in the so-called Coefficients mode. Results of the simulations on creep and relaxation tests are compared with experimental data obtained on a sample of biological tissue.


viscoelasticity, mechanical equilibrium, Comsol modeling

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