PC labs

Kent Wootton, Argonne National Laboratory

Material for this course used by permission from: https://sites.google.com/iit.edu/uspas2019/laboratory-sessions

© 2019 Pavel Snopok, Elvin Harms, Linda Spentzouris, Josiah Kunz, Nicole Neveu, Tanaz Mohayai

Computer Labs

• You can use your laptop or the computers in class
• If you choose to use your laptop, make sure you have a working Python 3.x and Jupyter Lab
  • If you do not have these installed, follow the setup instruction below
• If you choose to use the lab computers, you do not need to setup python or Jupyter
  • Note, these are the computers in our classroom, NOT the general USPAS computer lab
  • Python and Jupyter lab will be installed on these computers already
• The notebooks are on Github
  • If corrections are made during the class (an announcement will be made), please re-download or pull the newest version at: https://github.com/nneveu/USPAS-fundamentals-labs

Dipole Simulation

This lab uses the simulation code Finite Element Method Magnetics (FEMM). If working on your own Windows computer, download FEMM from http://www.femm.info.

Information for getting started with FEMM.

View the laboratory script here.

FEMM model file (example) USPASDipole.fem.

USPAS dipole geometry, Excel spreadsheet and PDF. Please use the third page (dimensions) in units of mm.

If working on the lab computer, please make a copy of the simulation model in your own folder.

Quadrupole Simulation

This lab uses the simulation code Finite Element Method Magnetics (FEMM). If working on your own Windows computer, download FEMM from http://www.femm.info.

Information for getting started with FEMM.

View the laboratory script here.

FEMM model file (example) USPASQuadrupole.fem.

If working on the lab computer, please make a copy of the simulation model in your own folder.

Transverse Dynamics

If working on your own computer, download the latest sheets from https://github.com/nneveu/USPAS-fundamentals-labs.

Make sure to open the sheet inside of Jupyter Lab, see instructions above.

If you want to view the sheet (not execute it), you can view it here with code, OR here without code.

If working on the lab computer, please make a copy of the sheet in your own folder.

Emittance Dilution, and Dispersion and Chromaticity

Part 1: Dilution

If working on your own computer, download the latest sheets from https://github.com/nneveu/USPAS-fundamentals-labs.

If you want to view the sheet (not execute it), you can view it here with code OR here without code.

If working on the lab computer, please make a copy of the sheet in your own folder.

Part 2: Dispersion and Chromaticity

This lab uses Sirepo, and Python.

If working on your own computer, view the sheet here.

Where the lab sheet calls for Sirepo simulations, please use these links:

“FODObeamline” Copy it to your own session (there should be a prompt).

• https://www.sirepo.com/elegant#/source/NYrwE02y

“DispersionFree” Copy it to your own session (there should be a prompt).

• https://www.sirepo.com/elegant#/source/dW4biLsM

Python and Jupyter Lab Setup

Set up Python and Jupyter on your laptop, by following these instructions:

https://nbviewer.jupyter.org/github/nneveu/USPAS-fundamentals-labs/blob/master/Lab-setup.ipynb

How to open Python notebooks (if using your own laptop)

1. Open a terminal
2. Use 'cd' to 'change directories' to the location of your notebooks.
   • i.e. on my computer -> cd Documents/USPAS-fundamentals-labs/
   • start Jupyter lab -> jupyter lab