Advection is turned on by default. Currently you cannot disable it through the .par file (only .usr). On 18 Jan 2018, at 10:50, "[email protected] <mailto:[email protected]> " <[email protected] <mailto:[email protected]> > wrote: Dear Neks, when including passive scalars in my simulation, I set "advection = yes" for velocity, temperature, and passive scalars. However, in PARDICT the key pardictkey(93) / 'SCALAR%%:ADVECTION' / does not exist so I have added it myself to the list. Is that correct? I am using the official release (tarball version 17.0) -- Karlsruhe Institute of Technology (KIT) Institute of Fluid Mechanics M.Sc. Steffen Straub Doctoral Researcher Kaiserstraße 10 Building 10.23 76131 Karlsruhe, Germany Phone: +49 721 608-43027 E-mail: [email protected] <mailto:[email protected]> Web: http://www.istm.kit.edu <http://www.istm.kit.edu> Registered office: Kaiserstraße 12, 76131 Karlsruhe, Germany KIT – The Research University in the Helmholtz Association _______________________________________________ Nek5000-users mailing list [email protected] <mailto:[email protected]> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users