CASMO-5 vs HELIOS: Comparing Lattice Codes

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SUMMARY

The discussion focuses on the comparison between two lattice codes, CASMO and HELIOS, both developed by Studsvik and Scandpower, respectively. CASMO is primarily used for generating cross-sections from ENDF data, while HELIOS has the capability to accommodate hexagonal geometry, which CASMO does not. Both codes serve similar functions in collapsing data for core simulators like SIMULATE. The merger of the two companies occurred in the 1990s due to market constraints.

PREREQUISITES
  • Understanding of lattice codes and their applications in nuclear engineering.
  • Familiarity with ENDF data and its role in cross-section generation.
  • Knowledge of core simulation tools, particularly SIMULATE.
  • Basic concepts of hexagonal geometry in reactor physics.
NEXT STEPS
  • Research the specific capabilities of HELIOS regarding hexagonal geometry.
  • Explore the latest version of CASMO and its limitations in geometry accommodation.
  • Investigate the integration of CASMO and HELIOS with SIMULATE for enhanced performance.
  • Learn about VVER fuel assembly calculations and the best practices for cell calculations.
USEFUL FOR

Nuclear engineers, reactor physicists, and anyone involved in the simulation and analysis of nuclear fuel assemblies will benefit from this discussion.

libertad
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Hi there,
What are the main differences between two lattice codes CASMO and HEIOS which both are developed by Studsvik?
 
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CASMO was developed by Studsvik and HELIOS was developed by Scandpower when they were separate companies. The were the two independents outside of the vendors, but the market couldn't support both companies, so the merged - IIRC, sometime in the 90's.

I understand that HELIOS can accommodate hexagonal geometry, but I'm not sure that CASMO can.

They both do pretty much the same function - generate cross-sections from ENDF data and collapsing them into a more manageable for core simulators like SIMULATE.
 
Thanks Astronuc
In fact I wanted to know if CASMO can accommodate hexagonal geometry or not.
because I intend to use a proper code for cell calculation of VVER fuel assembly.
 

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