<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>On the basis of the three-dimensional constitutive equations for strains resulting from the Kelvin-Voigt's model and modified Hooke's law for multiaxial stress in viscoelastic solids, the formulae for the energy dissipated in a given time per unit volume have been derived. It is shown that after application or removal of triaxial static load there is no difference in the time functions governing the dissipation of strain energy of volume change and the dissipation of strain energy of distortion. Harmonic in-phase stress and harmonic out-of-phase stress as well as multiaxial periodic stress are also considered. It is demonstrated that in the process of energy dissipation due to normal and shear stress components the role of the latter is dominant.</p></abstract>

On the basis of the three-dimensional constitutive equations for strains resulting from the Kelvin-Voigt's model and modified Hooke's law for multiaxial stress in viscoelastic solids, the formulae for the energy dissipated in a given time per unit volume have been derived. It is shown that after application or removal of triaxial static load there is no difference in the time functions governing the dissipation of strain energy of volume change and the dissipation of strain energy of distortion. Harmonic in-phase stress and harmonic out-of-phase stress as well as multiaxial periodic stress are also considered. It is demonstrated that in the process of energy dissipation due to normal and shear stress components the role of the latter is dominant.

Dissipation energy in viscoelastic solids under multiaxial loads

Polish Maritime Research

{"article-title":"Dissipation energy in viscoelastic solids under multiaxial loads"}

On the basis of the three-dimensional constitutive equations for strains resulting from the Kelvin-Voigt's model and modified Hooke's law for multiaxial stress...

Dissipation energy in viscoelastic solids under multiaxial loads

Publié en ligne: 10 juin 2008

Pages: 19 - 28

DOI: https://doi.org/10.2478/v10012-007-0047-4

Mots clés
viscoelastic material, multiaxial stress, energy dissipation, static load, vibratory load

This content is open access.

Dissipation energy in viscoelastic solids under multiaxial loads

Publié en ligne: 10 juin 2008

Pages: 19 - 28

DOI: https://doi.org/10.2478/v10012-007-0047-4

Mots clésviscoelastic material, multiaxial stress, energy dissipation, static load, vibratory load

This content is open access.

Mots clés
viscoelastic material, multiaxial stress, energy dissipation, static load, vibratory load