Alex A's latest activity
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AAlex A replied to the thread Separate the inelastic and capture reactions in a tally.Oh, is the detector a gamma detector? Not a neutron detector? You want photoelectric events and Compton events? Or was the tally...
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AAlex A replied to the thread Separate the inelastic and capture reactions in a tally.Do you need a count, or do you need an energy spectrum? Edit, these might be solved the same way - with an fm card. Say you used an f4...
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AAlex A replied to the thread MCNP Code Error -- Need to find the cause of the error.You have a third blank line in the input file again. The file should have two, one between the cell cards and the surface cards and...
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AAlex A replied to the thread MCNP Code Error -- Need to find the cause of the error.PF doesn't seem to like big images. I don't have that document but I have an idea what is in it. Histogram approximations of the...
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AAlex A replied to the thread MCNP Code Error -- Need to find the cause of the error.I can't easily check your phys card, it changes a bit version to version. There is a blank line between the si and sp cards, delete...
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AAlex A reacted to HEU_LL's post in the thread MCNP6 BURN Card Issue: Zero Burnup for Material in Fuel Assembly with
Like.
I'm very sorry to disturb everyone. The problem has been solved. In fact, it was due to carelessness that I wrote the wrong number of... -
AAlex A replied to the thread MCNP6 BURN Card Issue: Zero Burnup for Material in Fuel Assembly.I'm assuming since you get answers both materials are on your MAT card. Can you show us what isn't working by renaming it to a .txt and...
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AAlex A reacted to Astronuc's post in the thread Interesting Documentary on the Dounreay Breeder Reactor with
Informative.
The video in the OP offers a fair assessment. There was a level of negligence involved. Reprocessing nuclear fuel is complicated... -
AAlex A reacted to HEU_LL's post in the thread Beginner Seeking Help: MCNP6 Burnup Example (OECD-NEA Benchmark) with Like.
Thank you very much for your enthusiasm and patient guidance. I deeply admire your excellent professional knowledge. With the two...
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AAlex A replied to the thread Beginner Seeking Help: MCNP6 Burnup Example (OECD-NEA Benchmark).The automatic search can produce isotopes that are not tabulated. There are multiple ways to deal with that, one is to use an OMIT...
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AAlex A replied to the thread Beginner Seeking Help: MCNP6 Burnup Example (OECD-NEA Benchmark).Adding a token quantity of Am and Pu isotopes to the material being burned seems to work (0 might work too?). A listing in a material...
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AAlex A replied to the thread Beginner Seeking Help: MCNP6 Burnup Example (OECD-NEA Benchmark).Welcome to PhysicsForums @HEU_LL, I don't really know burnup, but the geometry is fairly simple. Try writing one for a single cell...
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AAlex A reacted to berkeman's post in the thread Fusion research idea involving more pressure with Informative.
Presumably you mean Magnetic Confinement reactors (Tokamaks and similar), and not Inertial Confinement Fusion (ICF) reactors. Magnetic...
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ASuch details would be proprietary to Westinghouse, and they are unlikely to place such information in the public domain. A...
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AAlex A replied to the thread Help Needed: Discrepancy in 2D Monte Carlo Neutron Transport Simulation.The high level program flow seems a bit broken. Interaction in cladding prints multiple times (and this is actually interaction in...