ANSYS System Coupling User’s Guide & Video

The ANSYS suite of analysis software facilitates creation of a spectrum of single- and multidisciplinary simulations. Multidisciplinary simulations are offered within the context of a single piece of software (for example, within one solver) and using various dedicated mechanisms to couple a single piece of software with others. Examples of the latter include mechanisms to import external data from static sources, and the Multi-Field External (MFX) solver used for co-simulation between ANSYS Mechanical MAPDL and ANSYS CFX. These coupling mechanisms provide optimal solutions for the analyses that follow the single, specific workflow that they were built to solve.
The System Coupling infrastructure discussed in this manual should be considered for generic workflows involving any number of analysis types, static data source and co-simulation participants, and data transfer quantities and directions. The Workbench System Coupling component system is an easy-to use, all-purpose infrastructure that facilitates comprehensive multidisciplinary simulations between coupling participants.
Coupling participants are systems that will provide and/or consume data in a coupled analysis. Example systems in Workbench include:
• Analysis Systems – Steady-State Thermal, Transient Thermal, Static Structural, Transient Structural, Fluid Flow (Fluent)
• Component Systems – Fluent, External Data
The execution of analyses involving couplings between any of these participants is managed by the System Coupling Service, which is the runtime component of the System Coupling system. During execution, a variety of one- and two-way data transfers are performed between coupling participants. For example, when multiple participants are executing their parts of a coupled analysis together, which is often referred to as co-simulation, they may engage in both one- and two-way data transfers as either a source or target. Similarly, when participants are providing access to existing results or data, which shall be referred to as a static data source, they may engage in only one-way data transfers as a source.
This documentation provides a detailed description of capabilities supported by the System Coupling component system. All of these capabilities may, however, not yet be supported in conjunction with other Workbench systems. For information about systems that may act as participants in system couplings, see the summary of
Supported System Couplings (p. 3).
For information regarding product licensing details and interactions with System Couplings, see
Product Licensing Considerations when using System Coupling (p. 4).
To set up and execute a system coupling simulation, perform the following steps:
1. Create the project.
2. Add the individual, participant systems to the project.
3. Add the System Coupling system to the project.

4. Set up each individual, participating system (generally from top-to-bottom, until you have completed all the required steps for your analysis).
5. Connect the systems together as shown in
Figure 1: Example of Connecting a System Coupling Component System with Various Types of Systems (p. 2). For co-simulation participants and the External Data static data participant, connections are drawn from the participants’ Setup cells.
6. Set up the System Coupling system (see
System Coupling Workspace (p. 7))

ANSYS Two-Way Fluid-Structure Interaction Video


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