Learning Forum

[jimbo]

I am currently working on a fluid-structure coupling simulation. I would like to ask what are the differences between the System Coupling module in Workbench and the external program ANSYS SYSTEM COUPLING 2024R1?

[Rahul]

 

You can use both approaches for your FSI run. Whereas, Standalone system coupling offers several advantages over system coupling within a workbench for fluid-structure interaction (FSI) simulations. It provides greater flexibility and modularity, allowing the use of different solvers or models for each system. This is particularly beneficial for complex FSI scenarios where specialized handling is required. Additionally, standalone coupling facilitates easier maintenance and updates, as changes can be made independently without affecting the entire system.

Using System Coupling outside of the workbench (the GUI) makes setup easier and provides access to a full range of system coupling features. It also enables monitoring of the coupling convergence and data transfers outside of the workbench. 

Standalone system coupling can be executed on a cluster, which is advantageous for handling large problems. This requires setting up a specific directory folder structure, but it allows for efficient processing of complex simulations.

The standalone interface is Python-based, enabling users to run simulations over clusters, which enhances computational efficiency and scalability.

Refer to the system coupling user guide for more information: System Coupling User’s Guide