Fusion Neutronics workshop

A selection of resources for learning fusion neutronics simulations with a particular focus on OpenMC with DAGMC and the Paramak

There is a slide deck that introduces the workshop and show the expected outputs of each task.

The use of OpenMC, DAGMC and Paramak for neutronics analysis requires several software packages and nuclear data. These have all been installed inside a Docker container. The video below gives a brief explainer of what to expect in the workshop and some motivation for learning neutronics.

The neutronics workshop was created by and is maintained by Jonathan Shimwell. The repository has benefited greatly from contributions from John Billingsley and others

The resource has proven most useful as it is one of the few open source and accessible fusion neutronics training resources.

The repository has benefited greatly from user feedback. Please feel free to raise Github issues or reach out in the discussions section if you spot anything that needs fixing or think of an improvement. Contributions are also very welcome as pull requests to the develop branch.

Run in the cloud

The repository is also ready for deployment on Github Codespaces which allows users to launch the containerized environment on more powerful cloud computers without installing anything locally.

• To get started sign up to the free 👉 codespaces Beta.

• Then follow 👉 this link to config a compute instance 👉

  

• VS Code will then launch in the browser, once loaded you must select the conda python interpreter to enable the correct Python environment.

Local Installation

There are video tutorials for this section which accompany the step by step instructions below.

• Ubuntu installation video 👉

  

• Windows installation video 👉

  

• Mac installation video 👉

  

1. Install Docker CE for Ubuntu, Mac OS, or Windows, including the part where you enable docker use as a non-root user.

2. Pull the docker image from the store by typing the following command in a terminal window, or Windows users might prefer PowerShell.

   docker pull ghcr.io/fusion-energy/neutronics-workshop

   Expand - Having permission denied errors?

   
        If you are running the command from Linux or Ubuntu terminal and getting permission denied messages back.
        Try running the same command with with elevated user permissions by adding sudo at the front.
        sudo docker pull ghcr.io/fusion-energy/neutronics-workshop
        Then enter your password when prompted.
        

3. Now that you have the docker image you can enable graphics linking between your os and docker, and then run the docker container by typing the following commands in a terminal window.

   docker run -p 8888:8888 ghcr.io/fusion-energy/neutronics-workshop

   Expand - Having permission denied errors?

   
        If you are running the command from Linux or Ubuntu terminal and getting permission denied messages back.
        Try running the same command with with elevated user permissions by adding sudo at the front.
        sudo docker run -p 8888:8888 ghcr.io/fusion-energy/neutronics-workshop
        Then enter your password when prompted.
        

4. A URL should be displayed in the terminal and can now be opened in the internet browser of your choice. Select and open the URL at the end of the terminal print out (highlighted below)

5. Some tasks require the use of Paraview to view the 3D meshes produced. Parview can be download from here.

   Expand - Ubuntu terminal commands for Paraview install

   
        sudo apt update && sudo apt-get install paraview
        

6. Some tasks require the use of CAD software to view the 3D geometry produced. FreeCAD is one option for this and can be downloaded here.

   Expand - Ubuntu terminal commands for FreeCAD install

   
            sudo apt update && sudo apt-get install freecad
            

Workshop tasks

The task videos are all available on a Gather Town space which is great for working through the workshop with colleagues.