#01 – FRED Technical Support Series 09.03.2011 , admin , FRED Knowledge Base, Videos 0 In the inaugural video of the FRED Technical Support series, Ryan discusses how to calculate the irradiance on a cylindrical surface. The example used is the absorbing edge of a FRED lens element construct. #01 – FRED Technical Support Series from Ryan Irvin on Vimeo. Tags: Analysesanalysis surfacesFRED Scripting Archivesvideo series