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Ansys Learning Forum Forums Discuss Simulation General Mechanical fluid-solid-thermal interaction Reply To: fluid-solid-thermal interaction

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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