ANSYS FAQ

• Environment Setup
• Common ANSYS Commands
• Recommendations for Interactive Use
• License Limitations
• Documentation
• Batch System Example

Initial Setup for ANSYS 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 Setup

Please run the 'module load ansys' command to initialize your environment for ANSYS. The modules for the available versions are currently ansys-11.0 and ansys-12.0 with the latter being the default. For more information about modules, please see this page.

Common ANSYS Commands

where NNN represents the version number (eg. NNN is 120 for version 12.0).

Recommendations for Interactive Use

We recommend using the following options with ANSYS to stay within the interactive limits on our compute servers:

• Workspace Memory (-m option): 150 MB
• Database Size (-db option): 50 MB

License Limitations

Our current Academic Teaching Advanced license for ANSYS has the following node limits:

• Stuctural and Thermal: 256K
• Direct Coupled Field: 256K
• LF Emag: 512K
• HF Emag: 1024K
• FLOTRAN: 1024K
• DesignSpace and TAS: no limit

Also, ANSYS SMP and Distributed are limited to 2 cpus per run.

Documentation

ANSYS online documentation is available only via the anshelpNNN commands or by clicking on the "Product Help" button in the ANSYS launcher GUI. The web documentation (from ANSYS 8.0) is available here.

Batch System Example

The following is an example batch job for ANSYS on hydra:

  #@ shell = /bin/ksh
  #@ initialdir = /scratch/user/ansys
  #@ job_name = ansystest
  #@ error = $(job_name).o$(jobid)
  #@ output = $(job_name).o$(jobid)
  #@ job_type = serial
  #@ resources = ConsumableCpus(1) ConsumableMemory(500mb)
  #@ wall_clock_limit = 00:10:00
  #@ notification = error
  #@ queue

  cd $TMPDIR
  cp $LOADL_STEP_INITDIR/vm1.dat .

  module load ansys
  ansys120 -b -j ansystest < vm1.dat

  cp ansystest.* $LOADL_STEP_INITDIR

More Information

The manual pages for ANSYS can be accessed after setting up your ANSYS environment by typing the following command:

 man ansys