Changes between Version 348 and Version 349 of doc/app/initialization_parameters

Timestamp:

Jun 30, 2017 11:12:12 AM (8 years ago)

Author:

raasch

Comment:

--

doc/app/initialization_parameters

@@ -1285 +1285 @@
 {{{#!td
 Bottom boundary condition of the TKE.\\\\
-'''bc_e_b''' must be set to '' 'neumann' '' i.e. e(k=0)=e(k=1) (Neumann boundary condition), where e(k=1) is calculated via the prognostic TKE equation.\\\\
+'''bc_e_b''' should be set to '' 'neumann' '' i.e. e(k=0)=e(k=1) (Neumann boundary condition), where e(k=1) is calculated via the prognostic TKE equation.
+
+'''bc_e_b''' = '' {{{'(u*)**2+neumann'}}} '' can be set as an alternative. In that case, e(k=1) = u*/0.1 is assumed. This alternative is just a test option and should be used with care.\\\\
 At the top boundary a Neumann boundary condition is generally used: (e(nz+1) = e(nz)).
 }}}