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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › ANSYS fluent – Rocky DEM coupling › Reply To: ANSYS fluent – Rocky DEM coupling

April 23, 2024 at 12:05 pm
Lucas Bertollo Baggio
Ansys Employee

Hi Saeed, 

this "Output Frequencies | Simulation" (in CFD-DEM coupled simulations) or "Time Interval" (in DEM-only) is about the outputs you wanna save (to visualize or access data, for example).   

To process the simulations, Rocky automatically calculates the time step, that you can see in Solver | Summary tab. You can also manually define a time step by enabling advanced features (from Rocky Menu | Options | Preferences |  Additional Features) and defining a Fixed Timestep in Solver | Advanced tab.

 

Best regards,

Lucas