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Ansys Learning Forum › Forums › Discuss Simulation › Systems › Displacement convergence in System Coupling › Reply To: Displacement convergence in System Coupling

November 27, 2023 at 12:06 pm
Tasos Zacharakis
Ansys Employee

Hello Davide,

If you're encountering an issue where the system coupling has not yet converged, it could be due to a variety of factors.

One common cause is that the solution is not yet fully converged. Check this link : Error: update failed for the solution component in system coupling. The coupled update for system fluid flow (fluent) threw an exception. Update solution failed - Ansys Knowledge.

Another potential issue could be related to the stability of your FSI or 6DOF case. This link : How can I converge an unstable FSI or 6DOF case in Fluent - Ansys Knowledge, provides a comprehensive guide on how to use Fluent's Solution Stabilization for an FSI case or a 6DOF case. It includes information on how to identify instability, how to use solution stabilization, and how to adjust settings for optimal results.

I hope these guidelines will help you with your project.

Thank you,

Tasos