local model

[rmojgani]

	$\Pi$	Smagorinsky	Leith	SGS term	Used by
1	$\nu_e(x,y,t) \nabla^2 \omega $			$\overline{J(\psi,\omega)}-{J(\overline{\psi},\overline{\omega})}$	Maulik[2016]
2	$\nabla .( \nu_e(x,y,t) \nabla \omega) $			$\overline{u_i \omega} - \overline{u_i}~\overline{\omega} $	Pavel [2023], Pedersen [1995]
3	$\nabla \times \nabla . ( -2 \nue(x,y,t) S{ij}) $			$\overline {u_i u_j}$ - $\overline {u_i}~\overline{u_j}$	Smagorinsky , Leith[1976]