ANSYS Fluent and Simulink co-simulation in real time.

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vaibhav gaharwar
vaibhav gaharwar 2023-10-13
回答： Kothuri 2024-9-13
Hello,
I want to test a temperature and air flow pattern in a room in ANSYS Fluent but the same time i want a co-simulation with Simulink so that i can modify parameters in Simulink and observe the variation in Fluent. How to do that....??
thanx
  2 个评论
Nguyen Xuan
Nguyen Xuan 2024-8-7
I also find the solution for this problem. Have you found a solution yet?
vaibhav gaharwar
vaibhav gaharwar 2024-8-9
no..can you plz share the solution? i am very greatful to you..thanx

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回答（1 个）

Kothuri
Kothuri 2024-9-13
Hi Vaibhav gaharwar,
I understand that you want to conduct a co-simulation between ANSYS Fluent and Simulink to dynamically adjust parameters in Simulink.
For Co-simulation between ANSYS Fluent and Simulink, you need to
  • Build your model in ANSYS Fluent by defining the geometry, mesh, boundary conditions, and initial conditions for the temperature and airflow pattern in the room.
  • Develop your control model in Simulink, which will allow you to modify parameters and observe their effects.
  • Use an S-Function to communicate with Fluent.
  • Export your Fluent model as a Functional Mock-up Unit (FMU). ANSYS provides a System Coupling tool that can facilitate co-simulation with other software.
  • Import the FMU using Simulink’s FMU import capabilities to integrate the Fluent model. You can refer the below link for more info on FMU.
https://www.mathworks.com/help/simulink/co-simulation.html
  • Develop a custom S-Function in Simulink to interface with Fluent.
  • Establish the communication protocol between Fluent and Simulink. This involves setting up the data exchange parameters, such as time steps and synchronization points.
  • Implement Communication through
Data Exchange: Set up a mechanism for exchanging data between Fluent and Simulink. This could be through:
Shared Files: Writing and reading data to/from files.
Sockets: Using network sockets for real-time communication.
Direct API Calls: If available, use APIs provided by ANSYS for direct communication.
  • Execute the co-simulation, allowing Simulink to modify parameters in real-time and observe the resulting variations in Fluent.
You can refer the below file exchange for more info on interactive link between MATLAB and ANSYS
https://www.mathworks.com/matlabcentral/fileexchange/53032-interactive-link-between-matlab-and-ANSYS
Hope this helps!

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