I'm simulating a lead castle which is a tightly wound spiral. I'm going to simulate it as a set of nested cylinders for practicalities sake though.
What I'm wondering is if there's a way to do it without putting the surfaces and cells for every cylinder. Ideally I'm hoping there's a way of defining a cylinder and then just recreating it repeatedly with gradually increasing inner radius.
I can't think of anything that can be done in MCNPX like that, but wanted to check. I could always script it in Python or something, but it would be a bit easier if I didn't have to.
In this case it's going to be best to script the cylinder generation in your code of choice. I would also like to provide a warning to never use macro-bodies. As soon as one uses the universe feature or segregated tallies, the macro-bodies fail to give proper results. Use cylinders and planes in the column format: example
((101 -100): &
(102 -103): &
(104 -105))
I thought that would be the case. Glad to know I'm not the only one, thanks.
One method is to proceed by using the "like but" and "Trcl" cards for the spiral.
for the void use the whole cylinder except other cells (#.. .. .. .. ).
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