Hi Silvia, Sorry I don't think you've had a reply to this one! Right now we don't support cylindrical coordinate systems for the azimuthal direction, unfortunately. There is a branch here: https://gitlab.nektar.info/nektar/nektar/-/tree/feature/CylCoord_restructuri... which has an initial attempt to implement this, however it is missing the most important part which is the axis boundary condition. So I guess if you were to want to simulate something like an annular geometry, this might be one approach, but right now e.g. a cylinder would not. Unfortunately we don't have a timeframe for completing this, but it is certainly something we'd like to progress at some point. Many thanks, Dave

On 9 Jun 2020, at 02:27, Silvia Ceccacci <silvia.ceccacci@hdr.mq.edu.au> wrote:

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I would like to use a Quasi-3D approach for flow around bodies of revolution. From the manual I see parameters can be specified for the harmonic expansion in the z-direction (staring from a 2D mesh) or in the y-direction and z-direction (starting from a 1D mesh).

Proving that I have a 2D mesh, is it possible to specify parameters which define the 1D harmonic expansion along the azimuthal direction?

Thank you.

Kind regards,

Silvia

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