Here's a quick comparison of the newest build of Turbulence FD. I'm testing out the new feature Sub-Grid Detail. It lets you add noise to your simulation at render time. Very powerful feature.

Here's an explosion I made pretty quickly to show the new feature in action. General settings info: Sim time: 12 minutes Render with Sub-Grid: 52 minutes Render without Sub-Grid: 18 minutes Resolution up to 160x153x96 step size: 25% Sub-Grid Detail Settings: Noise.4ft, smallest scale.2ft, largest scale.8ft, small power.56.

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Rendered on a 2 x 3 GHz Quad-Core Intel Mac Pro.