Switch cantilever design variable identifiers from "beam_width" and  "beam_thickness" to "w" and "t" in direct interface.
Switch cantilever design variable identifiers from "beam_width" and 
"beam_thickness" to "w" and "t" in direct interface.


git-svn-id: dcef21d3ff4cbd8dced82702dcaad637bf246ecc@448 aa0779c3-6ec2-4b84-a212-a405c134cd8d

pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA