Changeset 11386

Timestamp:

2019-08-01T17:26:28+02:00 (5 years ago)

Author:

jchanut

Message:

#2216, correct description of grid scale dependent mixing coefficient

File:

• NEMO/trunk/doc/latex/NEMO/subfiles/chap_LDF.tex (modified) (1 diff)

NEMO/trunk/doc/latex/NEMO/subfiles/chap_LDF.tex

@@ -399 +399 @@
   A_l = \left\{
     \begin{aligned}
-      & \frac{\max(e_1,e_2)}{e_{ref}} A_o^l           & \text{for laplacian operator } \\
-      & \frac{\max(e_1,e_2)^{3}}{e_{ref}^{3}} A_o^l          & \text{for bilaplacian operator }
+      & \frac{1}{2} U_{scl}  \max(e_1,e_2)         & \text{for laplacian operator } \\
+      & \frac{1}{12} U_{scl}  \max(e_1,e_2)^{3}             & \text{for bilaplacian operator }
     \end{aligned}
   \right.
 \end{equation}
-where $e_{ref}$ is a reference grid size harcoded to a $1^{\circ}$ grid size (\ie $e_{ref}\approx 111 km$),
-and $A_o^l$ is the user defined mixing coefficient defined according to  \autoref{eq:constantah}.
+where $U_{scl}$ is a user defined velocity scale (\np{rn\_Ud}, \np{rn\_Uv}).
 This variation is intended to reflect the lesser need for subgrid scale eddy mixing where
 the grid size is smaller in the domain.