6. Ratings#
total strain tensor
tensor of natural creep deformations
elastic deformation tensor
spherical part of the natural creep strain tensor
reversible spherical part of the natural creep strain tensor
irreversible spherical part of the natural creep deformation tensor
Deviatoric part of the tensor of natural creep deformations
reversible deviatoric part of the tensor of natural creep deformations
irreversible deviatoric part of the tensor of natural creep deformations
\({\underline{\underline{\epsilon }}}^{\mathrm{fi}}\) complete tensor of irreversible creep deformations
\({\underline{\underline{\epsilon }}}^{\mathrm{fdess}}\) tensor of desiccation creep deformations
total stress tensor
spherical part of the stress tensor
deviatoric part of the stress tensor
internal relative humidity
apparent stiffness associated with spherical Kelvin Voigt
apparent stiffness associated with deviatoric Kelvin Voigt
apparent viscosity associated with irreversible spherical deformations
apparent viscosity associated with spherical Kelvin Voigt
apparent viscosity associated with irreversible deviatory deformations
viscosity associated with deviatory Kelvin Voigt
\({\eta }^{\mathit{fd}}\) viscosity associated with desiccation creep
designate respectively a scalar, a vector and a tensor of order 2.
denote respectively the value of the quantity x at time
, at the time
and the variation of
during the interval
.