Variables | |
integer, save | iviscv |
additional property: More... | |
integer, save iviscv |
additional property:
Always useful. The volume viscosity \(\kappa\) is defined by the formula expressing the stress:
\begin{eqnarray*} \tens{\sigma} = -P\,\tens{Id} + \mu (\grad\,\vect{u} + \ ^{t}\ggrad\,\vect{u}) +(\kappa-\frac{2}{3}\mu)\,\dive(\vect{u})\,\tens{Id} \end{eqnarray*}