Adjust the Nucleus solver settings

In the next steps, you will improve the mesh behavior by increasing the Nucleus solver Substeps. You also increase the Nucleus Gravity so that the slag slides down the chute faster.

To set nucleus node attributes

1. In the Outliner, select the nParticle_slag object, then click the nucleus tab in the Attribute Editor.
2. In the Gravity and Wind section, set Gravity to 13.8.
   

   For the other nParticle objects created in this simulation, Ignore Solver Gravity will be turned on, meaning that the Gravity will not affect them.

3. In the Solver Attributes section, set Substeps to 6.
   

   This controls how the simulation time is broken up into calculation segments. Simulation quality and collision accuracy generally improve with increasing Substeps values. A high number of Substeps may result in slower solving.

4. Rewind and play the simulation.

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