Dear Dauood, I suspect that, although you have installed the required libraries on your system, you may not have enabled the necessary options in the CMake configuration when compiling Nektar++. For example, to use FFTW, you need to enable the NEKTAR_USE_FFTW option. To use XxtMultiLevelStaticCond, you need to enable NEKTAR_USE_MPI. If you reconfigure your build with these options enabled and recompile, the messages should no longer appear. Kind regards, Chris On 26/04/2024 20:35, dauood Tariq wrote:

******************* 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,

when attempting to run some of the tutorials on ubuntu I am encountering an error. Specifically for FFTW and XxtMultiLevelStaticCond where the response is module not found. I have installed all the necessary components for nektar++. Is there any reason this is happening/

Regards,

Dauood

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-- Chris Cantwell Senior Lecturer in Aeronautics Department of Aeronautics Imperial College London South Kensington Campus London SW7 2AZ Tel: +44 (0)20 759 45050 Email: c.cantwell@imperial.ac.uk www.imperial.ac.uk/people/c.cantwell