Rate-of-strain tensor
= Rate-of-strain tensor
{wiki=Strain-rate_tensor}
The rate-of-strain tensor is the symmetric part of the velocity gradient,
$$
e=\frac12\left(\nabla u+(\nabla u)^T\right).
$$
= Rate-of-strain tensor
{wiki=Strain-rate_tensor}
The rate-of-strain tensor is the symmetric part of the velocity gradient,
$$
e=\frac12\left(\nabla u+(\nabla u)^T\right).
$$