Is There an Issue with My MCNP Macro Definition Modeling?

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SUMMARY

The discussion addresses issues related to macro definition modeling in MCNP, specifically regarding visualization in Vised. Users report that Vised does not display all components accurately, prompting questions about cell placement and overlap. Key debugging steps include verifying the location of each cell and ensuring that macro bodies are positioned correctly. It is essential to consult the MCNP manual for guidance on proper modeling techniques.

PREREQUISITES
  • Understanding of MCNP (Monte Carlo N-Particle Transport Code)
  • Familiarity with Vised visualization software
  • Knowledge of macro definitions in MCNP
  • Basic principles of geometric modeling and cell placement
NEXT STEPS
  • Review the MCNP manual for macro definition guidelines
  • Learn about debugging techniques in MCNP modeling
  • Explore advanced features of Vised for better visualization
  • Study geometric modeling principles to improve cell placement accuracy
USEFUL FOR

This discussion is beneficial for MCNP users, computational physicists, and anyone involved in modeling and visualizing complex geometries in nuclear engineering applications.

chengmo
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I use macro definition to model the results can be viewed in vised but vised does not display all the big guy know? Is there something wrong with my modeling?
 

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To debug these things, ask yourself, where should each cell be? Do the macro bodies overlap the way you think they do? Where should cell 1 in your model be? If you set the origin in vised to that location, is there a cell there?

You have a bunch of macro bodies at angles. Are you sure that's what you want? Be sure to carefully read the manual to be sure that you are getting what you want.
 
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