Does FMESH in MCNP support spherical geometry with the TMESH tally?

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SUMMARY

FMESH in MCNP does not support spherical geometry; it is limited to Cartesian and cylindrical geometries as per the official manual. Users have confirmed this limitation while utilizing the TMESH tally. There have been no updates or changes to this functionality in the current version of MCNP. For those needing spherical geometry capabilities, alternative methods or tools must be considered.

PREREQUISITES
  • Understanding of MCNP (Monte Carlo N-Particle Transport Code)
  • Familiarity with FMESH and TMESH tally functionalities
  • Knowledge of Cartesian and cylindrical geometries in computational physics
  • Basic principles of geometry in simulation software
NEXT STEPS
  • Research alternative methods for implementing spherical geometry in MCNP
  • Explore updates or plugins for MCNP that may enhance geometry support
  • Learn about other simulation tools that support spherical geometry
  • Investigate the use of TMESH tally in different geometrical contexts
USEFUL FOR

Researchers and engineers in the field of computational physics, specifically those using MCNP for radiation transport simulations and needing to understand geometry limitations.

khary23
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According to the manual FMESH only supports Cartesian or cylindrical geometry has there been any update to this or is that it?
 
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Yes, I am using the TMESH tally. I was curious as to the FMESH would also work in spherical coordinates.
 

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