Search found 13 matches

by j0937065063
Fri Mar 06, 2020 9:16 am
Forum: Users
Topic: Cross-section generation questions
Replies: 1
Views: 69

Cross-section generation questions

Hi Jaakko, The scattering matrix generated by the detector is an "averaged" homogenized cross-section for the whole model, is that correct? e.g. INF_SCATT0, INF_SCATTP0 ... etc. Is there a way to generate material dependent macroscopic cross-section, including total, absorption, nu*fission, and P0, ...
by j0937065063
Thu Jun 14, 2018 4:21 pm
Forum: Users
Topic: burnup calculation problem
Replies: 5
Views: 1170

Re: burnup calculation problem

I just send the model to you.

Thanks!
by j0937065063
Wed Jun 13, 2018 6:49 pm
Forum: Users
Topic: burnup calculation problem
Replies: 5
Views: 1170

Re: burnup calculation problem

Also I am running it on a Mac OSX High Sierra machine using the -omp option.

I am not sure if it has something to do with that, but just provide the information for diagnostic.
by j0937065063
Wed Jun 13, 2018 6:48 pm
Forum: Users
Topic: burnup calculation problem
Replies: 5
Views: 1170

Re: burnup calculation problem

I am using 2.1.30.
by j0937065063
Tue Jun 12, 2018 12:22 am
Forum: Users
Topic: burnup calculation problem
Replies: 5
Views: 1170

burnup calculation problem

Hello I am trying to do a single 2D PWR fuel assembly model with ~200 nuclide tracing and about 40 time steps. It gives me the following error: - MPI task = 0 - OpenMP thread = 2 - RNG parent seed = 1528751737 - RNG history seed = 5450987530234881657 Fatal error in function TTALoop: Max length of TT...
by j0937065063
Tue Jun 05, 2018 11:11 pm
Forum: General
Topic: Compliling problem with Mac OSX High Sierra
Replies: 1
Views: 957

Compliling problem with Mac OSX High Sierra

Hello Jaakko: I've been trying to compile the SERPENT 2.1.30 on Mac OSX Sierra. So far I can compile it with gcc-8 for the serial version of SERPENT. But when I try to compile the parallel version by activate the CC = mpicc in the Makefile, it always gives me this error: clang: error: unsupported op...
by j0937065063
Wed Dec 27, 2017 8:03 am
Forum: General
Topic: Read in weight windows from MCNP format
Replies: 3
Views: 2130

Re: Read in weight windows from MCNP format

The SERPENT input is as follow: set acelib "/home/LANL/SERPENT_DATA/endfb7/sss_endfb7u.xsdata" include "../../inputs/surfs" include "../../inputs/geom" include "../../inputs/plots" include "../../inputs/mats" include "../../inputs/phys" include "../../inputs/det" % ------ source definition src 1 sm ...
by j0937065063
Wed Dec 27, 2017 8:01 am
Forum: General
Topic: Read in weight windows from MCNP format
Replies: 3
Views: 2130

Re: Read in weight windows from MCNP format

Hey Jaakko:

Just sent you the MCNP weight windows file.

Thanks!



Best
Vince
by j0937065063
Mon Dec 25, 2017 5:02 am
Forum: General
Topic: Read in weight windows from MCNP format
Replies: 3
Views: 2130

Read in weight windows from MCNP format

Hello Jaakko: I have a problem regarding to the MCNP weight windows file read in. My serpent weight windows script is like this: % --- read the weight window files wwin 1 wf "wwinp" 2 I am not sure if it is correct. I am not sure some of the variables like FMT SB and TYPE in the sf card are needed i...
by j0937065063
Fri Oct 13, 2017 7:54 am
Forum: Users
Topic: weight window wwin
Replies: 0
Views: 950

weight window wwin

Hello Jaakko

I need to do variance reduction for my fixed source cask external calculation using the weight window

Is there any example case for the importance map read in for this part?

What is the input format for the importance map?

Thanks!

Best,
Vince