FLUENT FAQ
Initial License Setup for Fluent 12.0
Specific to ANSYS 12.0 software (ANSYS, CFX, ICEMCFD, Fluent), you MUST set your preferences to use the academic licenses for ANSYS. This process needs only to be done once per system and applies to all ANSYS 12.0 software.
- Start the ANSLIC_ADMIN utiliy with the /usr/local/ansys_inc/shared_files/licensing/lic_admin/anslic_admin command.
- Select "Set License Preferences for User XXXX".
- Select "Use Academic Licenses" in the Global Settings section.
- Select the OK button.
- Exit the ANSLIC_ADMIN utility.
Environment Initialization
You will need to run the following command to initialize your environment for Fluent.
module load fluent
The command 'fluent' will run the latest version available (12.0 as of 11/2009) by default.
Example Job Scripts
Example Batch Job Script for Hydra
#@ shell = /bin/ksh #@ initialdir = /scratch/$USER/fluent #@ job_name = fluent #@ error = $(job_name).o$(schedd_host).$(jobid).$(stepid) #@ output = $(job_name).o$(schedd_host).$(jobid).$(stepid) #@ job_type = parallel #@ resources = ConsumableCpus(1) ConsumableMemory(512mb) #@ wall_clock_limit = 24:00:00 #@ network.MPI_LAPI = sn_single, shared, US #@ node = 1 #@ tasks_per_node = 16 #@ notification = error #@ queue # load fluent module module load fluent # Copy input files to $TMPDIR cd $TMPDIR cp $LOADL_STEP_INITDIR/inputfile . # Run Fluent with 16 cpus fluent 2d -g -t16 < inputfile # copy any newly created .dat and .cas files back to job submission directory cp output.dat output.cas $LOADL_STEP_INITDIR # Get job run-time information (CPU and memory usage per node) llq -w $LOADL_STEP_ID
Advanced Fluent Problems
The SC staff has limited experience with Fluent and Gambit. Due to certain restrictions, students may not be able to use the official Fluent support forums. However, the following Fluent forums may be useful for addressing your issues: