CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > ANSYS > CFX

Error iif_set_lock when solving heat transfer problem.

Register Blogs Members List Search Today's Posts Mark Forums Read

Like Tree1Likes
  • 1 Post By ghorrocks

LinkBack Thread Tools Search this Thread Display Modes
Old   December 17, 2019, 14:05
Default Error iif_set_lock when solving heat transfer problem.
New Member
Join Date: Dec 2019
Posts: 2
Rep Power: 0
flytoceres is on a distinguished road
I'm trying to use ANSYS CFX to solve a fluid-solid heat transfer problem. I followed the following online tutorial guide step-by-step ( When I run the solver, the results seem to be converging, but eventually, after CFX writes the transient file 4_full.trn, the solver ends and I get the following error message:

  ERROR #001100279 has occurred in subroutine ErrAction.             
  iif_set_lock: file zFas3A4b is currently locked for writing, and   
  cannot be locked for read access.  Either another program is using
  this file, or the lock file zFas3A4b.lck is bad.
I am new to ANSYS CFX and would love to hear some suggestion on what are the likely causes to such an error. I have already googled around and didn't see much info on such an error. Any help is appreciated. Thank you in advance!

P.S. I have added the solver output file as an attachment.
Attached Files
File Type: txt Fluid Flow CFX_002.txt (93.9 KB, 2 views)

Last edited by flytoceres; December 17, 2019 at 16:35.
flytoceres is offline   Reply With Quote

Old   December 17, 2019, 16:57
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,700
Rep Power: 143
ghorrocks is just really niceghorrocks is just really niceghorrocks is just really niceghorrocks is just really nice
This is a very unusual error, so something weird must be happening on your system. Check you have not run out of disk space, check that things like virus checkers are not crippling your system (even better, turn the virus checker off when doing simulations), don't write output files to network drives (write them to the local machine) and things like that. The problem is CFX is not getting reliable access to the hard drive, so look into anything which might compromise that.
flytoceres likes this.
Note: I do not answer CFD questions by PM. CFD questions should be posted on the forum.
ghorrocks is offline   Reply With Quote


ansys cfx 19, error iif_set_lock, heat transfer, parallel calculation, solid fluid contact

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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
Cannot run the code properly: very large time step continuity error crst15 OpenFOAM Running, Solving & CFD 9 December 14, 2014 18:17
Compressor Simulation using rhoPimpleDyMFoam Jetfire OpenFOAM Running, Solving & CFD 107 December 9, 2014 13:38
pimpleFoam: turbulence->correct(); is not executed when using residualControl hfs OpenFOAM Running, Solving & CFD 3 October 29, 2013 08:35
calculation stops after few time steps sivakumar OpenFOAM Running, Solving & CFD 7 March 17, 2013 06:37
Orifice Plate with a fully developed flow - Problems with convergence jonmec OpenFOAM Running, Solving & CFD 3 July 28, 2011 05:24

All times are GMT -4. The time now is 04:28.