Welcome to RELAP5 Thermal-Hydraulic Safety Analysis Software Website


Introducing a new addition to the RELAP/SCDAPSIM family GRAPE – Accident Analysis and Simulation System. Please see our download section for a 30 day demo of GRAPE.

 Upcoming Workshops and Expos

  Click here for our calendar for a full list of upcoming workshops and events

Role of RELAP/SCDAPSIM for Research Reactor Safety_RRFM2009

Role of RELAP/SCDAPSIM in Nuclear Safety – TOPSAVE

Coming Soon

Information on our internship program!