Why Maxwell and Kelvin-Voigt model fail to represent a solid

[zoala001]

Hi

I m studying modelling the viscoelastic passive properties of vascular walls and there is question!

Why does Maxwell andKelvin-Voigt fail to represent a solid?
and also
what steps are required from a numerical point of implementation point of view , are required to turn an elastic model into a viscoelastic model?

 

[Chestermiller]

Hi

I m studying modelling the viscoelastic passive properties of vascular walls and there is question!

Why does Maxwell andKelvin-Voigt fail to represent a solid?

Maxwell model does not exhibit strain recovery, even at small strains, so it is usually thought of as a fluid model. Kelvin-Voigt does exhibit strain recovery, so qualitatively, it behaves like a solid. However, neither of these models describes the behavior of fluids or solids quantitatively. To do that at small strains, one needs to use a more general form of these models.

and also
what steps are required from a numerical point of implementation point of view , are required to turn an elastic model into a viscoelastic model?

I don't understand this question.

Chet