DEvens's latest activity

I don't have the info you want. I know the cross section libray program that comes with MCNP can do some of what you describe but I...

Apologies for responding to the 2 year old post. When you use CardSharp what do you write? So, for example, I want to make an input...

Somebody who thinks humans are an epidemic might benefit from taking mind altering drugs.

If you have no way of getting the number of particles started per second, then you cannot normalize to that basis. You can only report...

This is kind-of true. Faced it myself...

SpaceX did 165 launches in 2025, including putting up 3000 Starlink satts. Including Starlink, SpaceX made a profit of about $8 billion...

You can probably get a library card at your local university for very little money, maybe free. A medium-to-big uni is likely to have...

My personal bias is not to use rpp or rcc. I prefer to use simple planes and cylinders. That's mostly because of what I have wanted to...

We see how current AI works, and say we are not like that. Why not? How do we know? Ideally, we should want a neutral entity to...

Normalization of detectors is a thing. What you need is some way of knowing the number of particles per second in your real system...

Alex A mentions there being no cell 1504. In the OP there is no surface 1504 either, it's a line number as printed out by MCNP...

All space in the problem must belong to a cell, and no point in space may belong to more than one cell. That is a complicated input...

Cell 1300 is the big cell containing the experiment and air, outside that is the void cell. That cell definition is failing and anything...

As Alex A said, your NPS is rather large. It will take a long time to run. As a usual method, you want to start with a small number of...

The hypothesis about the shape of the falling chain is a little bit strange