In Contours Issue 39, Scott Imlay talked about computing lambda2 in Tecplot 360. This is the add-on he developed.
Written by: Scott Imlay, Ph.D.
Compatible with: Tecplot 360 2006, Release 2, Tecplot 360 2008 Release 2
Note: This is included with Tecplot 360 2009.
Macro Language: none
Known Limitations: There are different versions for Tecplot 360 2008R2 or newer. (The add-on will be standard in Tecplot 360 2009. If you would like to try this release, please contact Jim.)
Please post feedback to the forums.
Download the add-on and save it in $TEC360HOME/bin
Edit your tecplot.add file and append this line:
An item is added to the Tools menu 'Tensor Eigensystem'
Files: (right-click and save)
Tecplot 360 2008 R2: (September 2008) Windows 32-bit, 64-bit