Changeset 2758 for palm/trunk/SOURCE/time_integration_spinup.f90

Timestamp:

Jan 17, 2018 12:55:21 PM (5 years ago)

Author:

suehring

Message:

Bugfix, no initial masking of wind velocity at first prognostic grid level in case of land- or urban-surface spin-up.

File:

• palm/trunk/SOURCE/time_integration_spinup.f90 (modified) (2 diffs)

palm/trunk/SOURCE/time_integration_spinup.f90

@@ -25 +25 @@
 ! -----------------
 ! $Id$
+! Comment out homogeneous setting of wind velocity as this will lead to zero
+! friction velocity and cause problems in MOST relationships.
+! 
+! 2728 2018-01-09 07:03:53Z maronga
 ! Set velocity componenets to homogeneous values during spinup
 ! 
@@ -170 +174 @@
 !-- otherwise. The precise reason is still unknown. A minimum velocity of 0.1
 !-- m/s is used to maintain turbulent transfer at the surface.
-    u = SIGN(1.0_wp,u) * MAX(ug_surface,0.1_wp)
-    v = SIGN(1.0_wp,v) * MAX(vg_surface,0.1_wp)
+!     u = SIGN(1.0_wp,u) * MAX(ug_surface,0.1_wp)
+!     v = SIGN(1.0_wp,v) * MAX(vg_surface,0.1_wp)
 
     dt_save = dt_3d