******************* This email originates from outside Imperial. Do not click on links and attachments unless you recognise the sender. If you trust the sender, add them to your safe senders list https://spam.ic.ac.uk/SpamConsole/Senders.aspx to disable email stamping for this address. ******************* Hi Everyone, I was just wondering if there is a paper or documentation outlining how the characteristic non-reflecting boundary condition is formulated for the LEE. I saw a glimpse of it at in the code but was wondering if there are any extra details as I am trying to understand nektar++ better. Thank you everyone *YiLin Liu * *403-397-3457* *liuyilin.liu@gmail.com <liuyilin.liu@gmail.com>* MASc Student at CML <https://cml.mech.ubc.ca/> UBC