Changes between Version 463 and Version 464 of doc/app/errmsg

Timestamp:

Jul 14, 2017 7:20:16 PM (8 years ago)

Author:

hoffmann

Comment:

--

doc/app/errmsg

@@ -184 +184 @@
 ||[=#PA0142 PA0142]   ||absolute temperature < 0.0 at zu(...) = ...   || Within the PALM code (in {{{init_cloud_physics}}}), the hydrostatic pressure profile is calculated for a neutrally stratified temperature profile {{{t(z) = t_surface-g/c_p*z(k)}}}. If the height of the model domain is too large, the absolute temperature will become negative, which is not allowed. This error usually appears when both grid stretching is switched on and too many grid points along z are used. Try to reduce the number of grid points ([../inipar#nz nz]), switch on the grid stretching at larger heights (see [../inipar#dz_stretch_level dz_stretch_level]) or reduce the grid stretching factor ([../inipar#dz_stretch_factor dz_stretch_factor]).  ||
 ||[=#PA0143 PA0143]   ||  k=... j=... i=... ql_c=... part(...)%wf=... delta_r=... ||This error occurs due to a spurious interaction of the production and depletion of supersaturations if the applied time step is too large. Please re-run the simulation with a shorter time step.  ||
-||[=#PA0144 PA0144]   ||  #1 k=... j=... i=... e_s=... e_a=... t_int=... &delta_r=... particle_radius=... ||This error occurs if the droplet radius becomes negative. Please contact the developers if this error occurs and submit a new [/newticket trouble ticket].   ||
+||[=#PA0144 PA0144]   ||  #1 k=... j=... i=... e_s=... e_a=... t_int=... &delta_r=... particle_radius=... ||This error occurs if the droplet radius becomes negative. This might be related to a too long time step or an (artificial?) accumulation of super-droplets in one grid cell.  ||
 ||[=#PA0145 PA0145]   || illegal value for outflow_source_plane:... || The position of the source plane for the turbulent outflow method is not given or outside the model domain. Assign a value inside the model domain: dx <= [../inipar#outflow_source_plane outflow_source_plane] <= nx*dx ||
 ||[=#PA0146 PA0146]   ||unknown splitting mode condition = "..."   || See parameter [../parpar#splitting_mode splitting_mode] for allowed values, and appropriately correct your parameter file.  ||