******************* 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, Is it possible to make the initial condition for example for pressure to move as time is progressing through the simulation using the acoustic solver Kind regards, Dauood Tariq