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Macrobodies in MCNP

  1. Apr 13, 2015 #1
    How to use HEX card in MCNP input, i couldn't figure out its definition?
  2. jcsd
  3. Apr 13, 2015 #2


    Staff: Mentor

    Here's a primer on using MCNP:


    Search for HEX (RHP) and a topic comes up that explains how to use macrobodies in general using RCC as an example.

    And here's some tutorials that may help:

    http://www.mcnpvised.com/sample_exercises/sample_exercises.html [Broken]
    Last edited by a moderator: May 7, 2017
  4. Apr 22, 2015 #3
    thanks so much, it was helping, now i'm trying to write the input file and I counter something with the fill card, I tried to write it as matrix but I got confused should it be better to write it as rows ?
  5. Apr 22, 2015 #4


    Staff: Mentor

    I can't say for sure try searching for some examples to see what others have done.
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