RealFlow's scene-related simulation options are located here:
To change the parameters of this tab on a global level, valid for all new scenes, use the → "Preferences - Simulation: General" dialogue.
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General (A)
FPS Output
The simulation's frame rate.
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Here you specify how many cores will be used for your simulations. Please also take a look at → “Quick Start Configuration - Threads and SubstepsSimulation Threads” for more information.
Processors
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When enabled RealFlow will always use the maximum number of available threads. Please also take a look at → “Quick Start Configuration - Threads and SubstepsSimulation Threads” for more information.
Stepping (B)
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Specify the minimum number of simulation steps for → standard particle fluids:
- Higher values increase simulation time, but also avoid instabilities.
- For a fixed number of substeps use equal values for “MIN substeps” and “MAX substeps”.
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Specify the maximum number of simulation steps for → standard particle fluids:
- Higher values increase simulation time, but also avoid instabilities.
- For a fixed number of substeps use equal values for “MIN substeps” and “MAX substeps”.
- Decrease this value if “FPS Output” is large – you will see a suggestion in the → “Messages” “Messages” panel.
Please be careful with → HyFLIP simulationsHybrido core fluid simulations (this also applies to Dyverso simulations). Let's assume you have the following settings:
- MAX substeps (General: Stepping) = 1
- MAX substeps (Hybrido: Liquid – Hybrido Solver) = 3
- In this case, a substeps value of 1 is used for the HyFLIP Hybrido core fluid simulation.