Search found 114 matches

by jesse.johns
Fri Mar 24, 2017 5:18 pm
Forum: Development
Topic: Split Cell Locations and Detectors
Replies: 0
Views: 1561

Split Cell Locations and Detectors

Hello, I was looking through the source on an easy way to locate spilt regions... basically, I wanted to print out all of the points that come from the checkvolumes routine so that I can compute the center of mass of each new region. The hope here, is that externally, I can correlate results from Se...
by jesse.johns
Fri Mar 24, 2017 5:11 pm
Forum: Bugs, problems, questions & feeback
Topic: Hafnium Metastable
Replies: 4
Views: 11873

Re: Hafnium Metastable

Well, I just wanted to vindicate Serpent on this - we just measured our samples and there was no Hf-179n. I did some additional calculations and I wasn't able to predict the Hf-179n that a few other (nominally trusted) codes predicted.

Cheers!
by jesse.johns
Tue Feb 21, 2017 5:48 pm
Forum: Bugs, problems, questions & feeback
Topic: Hafnium Metastable
Replies: 4
Views: 11873

Re: Hafnium Metastable

Also, to note, the branching ratio to Hf179m from Hf178 (n,g) is about 38% based on my chart of the nuclides. So, I changed it via: set isobra 721792 102 0.62 Is that correct? ZAIn : isotope ZAI (10000 x Z + 10 x A + I) MTn : ENDF reaction MT FGn : fraction of reactions leading to the ground state o...
by jesse.johns
Mon Feb 20, 2017 7:17 pm
Forum: Bugs, problems, questions & feeback
Topic: Hafnium Metastable
Replies: 4
Views: 11873

Re: Hafnium Metastable

Hi Jaakko, Thank you for the response. So, I've include new cross-sections in the following fashion in my material deck: 72179.80c 4.59837192797259E-05 72379.10c 0.0 which, I added like so in the xsdata file - I also had to edit the naming convention in the ACE: 72377.10c 72377.10c 1 72177 1 175.423...
by jesse.johns
Sat Feb 18, 2017 8:44 pm
Forum: Bugs, problems, questions & feeback
Topic: Hafnium Metastable
Replies: 4
Views: 11873

Hafnium Metastable

Hello, I'm running some depletion/activation calculations on a hafnium target, and I'm noticing that at least Hf-179m is a few orders of magnitude these than expected. Also, once I added in metastable cross-sections - the the isomeric flag, etc, the depletion routine lost track of the metastables co...
by jesse.johns
Tue Feb 14, 2017 1:10 am
Forum: Development
Topic: VR environment together with mesh tally visualization :)
Replies: 3
Views: 1747

Re: VR environment together with mesh tally visualization :)

I've been working on something like this using ParaView; KitWare recently released some useful tools: https://blog.kitware.com/taking-paraview-into-virtual-reality/ This works very nicely with Serpent's OpenFoam output compatibility. There's also CSV support for structured meshes in ParaView. Cheers...
by jesse.johns
Sat Feb 27, 2016 1:09 am
Forum: Bugs, problems, questions & feeback
Topic: Lost Particles in Geometry
Replies: 14
Views: 13394

Re: Lost Particles in Geometry

... I tried but I put my print statement in the wrong block and just got non-sense. I'll give it another shot when I have the opportunity.
by jesse.johns
Fri Feb 26, 2016 9:37 pm
Forum: Bugs, problems, questions & feeback
Topic: Lost Particles in Geometry
Replies: 14
Views: 13394

Re: Lost Particles in Geometry

The cases have finished and the maximum number of times that any one case had to bound mu is 3. I haven't scrutinized the results much, but everything looks nominal. That doesn't mean there isn't something wrong with the input itself, which I'm beginning to question. The only thing I can think of is...
by jesse.johns
Fri Feb 26, 2016 2:12 am
Forum: Bugs, problems, questions & feeback
Topic: Lost Particles in Geometry
Replies: 14
Views: 13394

Re: Lost Particles in Geometry

I had went ahead and implemented something similar last week with a flag to count how many times it has to correct mu. They've run without issue, however, I haven't had an opportunity to see if the results compare well to other cases. Thanks again for the troubleshooting help. I'll try to remember t...
by jesse.johns
Wed Feb 24, 2016 3:38 am
Forum: Input
Topic: New Comment Line Replacement
Replies: 5
Views: 6081

New Comment Line Replacement

Hi there, Just thought I'd share a bash command, run from the directory containing your input file, that will become useful for some folks moving to version 2.1.25: find ./ -type f -print0 | xargs -0 sed -i 's/#/%/g' It will replace all of the #'s with %'s. WARNING: Do not use it in repositories whe...