Abstract
This chapter is concerned with the formulation of constitutive expressions of the form
where dij = (vi,j + vj,i)/2 are the cartesian components of the so called “rate-of-deformation tensor” . Other common names are the “rate-of-strain” or “strain-rate-tensor”. Note that dij is linear in the velocity components vi, and that this linearity is exact and no approximation has been made in deriving it. Furthermore, the tensor is not to confuse with the “material time derivative” of the infinitesimal strain tensor εij = (ui,j + uj,i)/2, because we have [I]:
.
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Betten, J. (1987). Formulation of Anisotropic Constitutive Equations. In: Boehler, J.P. (eds) Applications of Tensor Functions in Solid Mechanics. International Centre for Mechanical Sciences, vol 292. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2810-7_12
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