Dear Silvia, As far as I know there is no hard limit per se. Some functions might start giving overflow issues if you reach a problem size in the order of 2^31 degrees of freedom per variable given that some indexes use `int` variables. If this ends up being a concrete issue, we can look into homogenizing all indexes to use `size_t` and move the theoretical limit to 2^64 dof. Cheers, Giacomo On Tue, May 19, 2020 at 6:59 PM Silvia Ceccacci (HDR) < silvia.ceccacci@hdr.mq.edu.au> wrote:

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Dear all,

Does Nektar++ have a threshold regarding the number of elements in the mesh (in particular in the 3D case)? Is there a maximum value below which I should work?

Thank you.

Kind regards, Silvia

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