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FSI convergence problems

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Old   April 22, 2023, 05:50
Default FSI convergence problems
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Enrico Salarolo
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Hi everyone,
i'm new in the Forum and i hope that this is the right place to post my question. I'm trying to do an FSI analisys in Ansys with Fluent and Transient Structural with an Oscillating Plate behind a cilinder inside a laminar channel. I have already successfully complete a simulation with a time step of 1e-2 s but if i reduce the time step (for example 1e-3) , even if the single modul Fluent and Structural still converge, the Data Transfers diverge and i don't understand why. I can post some immages if is necessary.
Thanks a lot.
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ansys, fluent, fsi, systemcoupling

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