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Hello, my name is Matt Duran and I am from the University of Central Florida. I have recently begun using Nektar++ 5.0.1 on Ubuntu and was going through the ‘Global Stability Analysis: Cylinder Flow’ tutorial. However, when I ran the ‘IncNavierStokesSolver’ with ‘Cylinder_Direct.xml’ I got the following error:

image.png

 

Arpack is already installed and the relevant sections of the .xml file is shown below.

image.png

 

I was wondering if I could get some assistance on why this error may be happening and how to fix it.

 

Thanks in advance,

Matt Duran