Create example with weight windows

[shimwell]

I'm hoping to add an example with weight windows and a mesh tally

I am working on this addition on this branch https://github.com/fusion-energy/neutronics-workshop/tree/adding_ww_task

[shimwell]

a half completed example is now on the develop branch as task 13

I shall come back to this once automatic weight windows are added

[janmalec]

Hello, is there any progress on this? The branch adding_www_task does not seem to be available anymore.

[shimwell]

I've been using weight windows along with the magic method and working on this but we noticed a few bugs when iteratively building up weight windows recently. Patrick merged in some fixes to the development branch of OpenMC.

https://github.com/openmc-dev/openmc/pull/2284 https://github.com/openmc-dev/openmc/pull/2275

I have not yet had time to get back on this task but I have a deadline to finish it before Christmas as I need it elsewhere.

[shimwell]

The branch was merged in and probably deleted. But as it was merged the contents are in the repo

https://github.com/fusion-energy/neutronics-workshop/tree/main/tasks/task_13_variance_reduction

I don't think this task is finished and these examples need a tidy up. I shall fix it up soon

[shimwell]

Just reporting progress, there is an open pull request now to redo task 13

tagging @billingsley-john just in case it is of interest

Here is a link to the new files https://github.com/fusion-energy/neutronics-workshop/tree/updating_vr_example/tasks/task_13_variance_reduction