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February 19, 2018

PARCS Plug-in

Purdue Advanced Reactor Core Simulator for reactor kinetics simulation.   The Purdue Advanced Reactor Core Simulator (PARCS) is a computer code that solves the time-dependent two-group neutron diffusion equation in three-dimensional Cartesian geometry using nodal methods to obtain the transient neutron flux distribution. The code may be used in the analysis of reactivity-initiated accidents in light water reactors where spatial effects may be important. It may be run in the stand-alone mode or coupled to other NRC thermal-hydraulic codes such as RELAP5 and TRACE.  Through coupling with TRACE, the capabilities for RAMONA, NRC's legacy kinetics code are recovered.

Change Log

Version 2.6.1 - Released 4/20/2018:

  • The PARCS plug-in was updated to support PARCS V. 3.3.1 Some of the updates include:
    • New DECAY_HEAT option dcy_mult (decay heat calculation multiplier).
    • Enumerated value support for fixed Xenon/Samarium read in from the restart file
    • Help description text for history distribution values phst, pths, pxesm and other attributes.
  • The PARCS plug-in was updated to include support for context sensitive ASCII, and the Validation Window. The ASCII views will now have contexts which identify the location in the PARCS components which are responsible for editing those properties.
  • The cross sections data structures were optimized in order to resolve an issue which could prevent cross section data from being edited.