CFD Online Discussion Forums - What does the empty bracket mean in (symm( L + L.T() ) * eta)()

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- - What does the empty bracket mean in (symm( L + L.T() ) * eta)() (https://www.cfd-online.com/Forums/openfoam/250123-what-does-empty-bracket-mean-symm-l-l-t-eta.html)

pfguo

May 29, 2023 09:29

Is there a function object or functor of tensor field in OpenFOAM?

I have posted this question to the more appropriate "OpenFOAM programming" section. I wish to delete this post, but I cannot find a way to do so.

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