Velocity gradient
= Velocity gradient
{title2=$\nabla\mathbf u$}
{wiki}
The velocity gradient has components $(\nabla\mathbf u)_{ij}=\partial_j u_i$. Its symmetric part is the deformation-rate tensor and its antisymmetric part is the local spin.
= Velocity gradient
{title2=$\nabla\mathbf u$}
{wiki}
The velocity gradient has components $(\nabla\mathbf u)_{ij}=\partial_j u_i$. Its symmetric part is the deformation-rate tensor and its antisymmetric part is the local spin.