CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT > Fluent UDF and Scheme Programming

error in udf

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   March 25, 2017, 07:45
Default error in udf
  #1
Member
 
NGP
Join Date: Mar 2016
Posts: 33
Rep Power: 10
ngonbadipoor@yahoo.com is on a distinguished road
Hi guys
I defined a macro for density, viscosity and conductivity for a flow by udf.when I start the run I received some errors.
what these errors means?
''

Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: temperature
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: temperature
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: temperature
Error at host: floating point exception
Error at Node 0: floating point exception
Error at Node 1: floating point exception
Error at Node 2: floating point exception
Error at Node 3: floating point exception
Error: floating point exception
Error Object: #f
""
thanks
ngonbadipoor@yahoo.com is offline   Reply With Quote

Old   March 28, 2017, 04:54
Default
  #2
Senior Member
 
Join Date: Nov 2013
Posts: 1,965
Rep Power: 27
pakk will become famous soon enough
It means that your simulation had extremely big problems to calculate the next iteration.

Probably you made one of the inputs much too large or much too small.
pakk is offline   Reply With Quote

Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
UDF Compilation Error - Loading Library - COMMON Problem! Help! robtheslob Fluent UDF and Scheme Programming 8 July 24, 2015 01:53
Parallelize UDF? Which kind of UDF? Lilly FLUENT 5 March 25, 2014 03:05
Help! Delete the UDM codes in the UDF Messi Fluent UDF and Scheme Programming 2 January 28, 2014 10:01
UDF parallel error: chip-exec: function not found????? shankara.2 Fluent UDF and Scheme Programming 1 January 16, 2012 23:14
UDF, UDF, UDF, UDF Luc SEMINEL Main CFD Forum 0 November 25, 2002 05:01


All times are GMT -4. The time now is 18:44.