Hi Hongfu, The moment (torsional force) is not available in nektar++ 5.1.0. We plan to add this feature in version 5.2.0 (merge request !1265). Cheers Ankang ________________________________ From: nektar-users-bounces@imperial.ac.uk <nektar-users-bounces@imperial.ac.uk> on behalf of hongfu2233 <hongfu2233@gmail.com> Sent: 28 February 2022 12:38 To: nektar-users <nektar-users@imperial.ac.uk> Subject: [Nektar-users] monitor the torsional force of a 2-D cylinder in the new version code nektar ++ 5.10 This email from hongfu2233@gmail.com 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 all, I would like to know if we can monitor the torsional force of a 2-D cylinder in the new version code nektar ++ 5.10? Regards! Hongfu