In order to run AnSys/Fluent Graphical User Interface (GUI), you need to make sure your log onto the servers with graphical support.
Type "/afs/cc.lehigh.edu/common/amd64_linux26/ansys_inc/v121/fluent/bin/fluent"
| /afs/cc.lehigh.edu/common/amd64_linux26/ansys_inc/v121/fluent/bin/fluent |
Type "/afs/cc.lehigh.edu/common/i386_linux26/ansys_inc/v121/fluent/bin/fluent"
| /afs/cc.lehigh.edu/common/i386_linux26/ansys_inc/v121/fluent/bin/fluent |