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Use Advection Origin for Motion Blur | rendUVWForMB – The Advection Origin channel will be used to calculate the fluid movement for more precise motion blur. This will replace the normal UVW/RGB channel, compared to using the Velocity channel which is the default way. Note that you must first enable the Advection Origin channel export from the Output rollout and then simulate, in order to be able to use Advection Origin for motion blur. Also note that it can be used only in Volumetric, Volumetric Geometry and Isosurface render modes.

Forward Simulation | forwardSim – Enabling will first move the scene geometry and then simulate the fluid. This will fix simulation lag relative to scene changes.

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