[Nek5000-users] Tripping mechanism

[nek5000-users at lists.mcs.anl.gov]

Dear all,


I've seen several papers using Nek5000 with a tripping mechanism based on a forcing term, explained in a paper by Schlatter & Örlü (2012). However, they talk about using random harmonic signals h^{i}(z). My question is: What is the shape of such signals and how do you make them random?


Thanks,


Juan Diego
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