Built for greater fidelity, speed, and power, the core messaging of ANSYS 13.0 was "making it easier, faster, and cheaper for users to bring new products to market". Key advancements included:
Expanded support for RSM allowed users to queue and execute computationally intensive jobs on remote machines for Mechanical APDL, CFX, and Fluent. ansys 13 full 15
Which you are focusing on (Structural, CFD, or Electromagnetics)? What type of geometry you are trying to import? Your target operating system ? Built for greater fidelity, speed, and power, the
Which (Mechanical, Fluent, Maxwell) you use most? Built for greater fidelity