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General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.
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fluid-solid-thermal interaction

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    • April 1, 2024 at 5:23 am
      haibo
      Subscriber

      I am going to simulate the fluid-solid-thermal interaction by Fluent, Transient Structure and the System Coupling. Can I make the time step size a function over time in the System Coupling, because one case about the FTSI takes too much time using fixed time step size such as 0.004s.

    • April 2, 2024 at 6:32 am
      Rahul
      Ansys Employee

      Hello

      Yes, you can make the time step size a function over time in the System Coupling using expressions like "0.2 if Step < 5 else 0.25". 
      Please refer to the System Coupling user guide for more information. Expressions in System Coupling (ansys.com)

      Hope this helps!

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