At the Help site:
Find user documentation
Download tutorials
View training videos
Find other useful links
Call 1-800-711-7199 for Ansys Support. You will need to enter the Customer Number that is listed in the email that contained your license file.
Email support@ansys.com for technical support.
For licensing assistance, Email licensing@ansys.com.
Note: Phone support is not available to students. See http://www.ansys.com/Products/Academic/Support-Policy. Use this link instead: http://www.ansys.com/Products/Academic/ANSYS-Student