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This page provides a tutorial on creating a Milk and Chocolate fusion simulation in 3ds Max.

Overview

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This is an Intermediate Level tutorial. Even though no previous knowledge of Phoenix FD is required to follow along, re-purposing the setup shown here to another shot may require a deeper understanding of the host platform's tools, and some modifications of the simulation settings.

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Requires Phoenix FD 3.11.01 Nightly Build ID 28305 and V-Ray 3.60.04 Official Release for 3ds Max 2015+. If you notice a major difference between the results shown here and the behavior of your setup, please send an email to support@chaosgroup.com .

In this tutorial, we guide you through the creation of a fusion effect resulting from the splash of two fluids - milk and chocolate. For this goal, we create two liquid emitters, one for each liquid type. By using a Blend Material, we set the appearance of the mixture.

The two liquids are simulated with different RGB each, and then the grid RGB channel is extracted via a Phoenix FD Grid Texture and used as a mask for the Blend Material. We use Surface Tension to keep the liquid particles packed together in a smooth mesh and only allow them to break up into larger droplets.

To make the liquid mesh look even smoother, as a real milky-looking liquid, we use the Phoenix FD smoothing tools found in the Input and Rendering rollouts of the Simulator.

The Download button below provides you with an archive containing the start and end scenes as a reference.

 

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urlhttps://drive.google.com/uc?export=download&id=13JaGPso1bc6tv0xh0an3qYYWy1smItJu

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System Units

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Scale is crucial for the behavior of any simulation. The real-world size of the Simulator in units is important for the simulation dynamics. Large-scale simulations appear to move more slowly, while mid-to-small scale simulations have lots of vigorous movement. When you create your Simulator, you must check the Grid rollout where the real-world extents of the Simulator are shown. If the size of the Simulator in the scene cannot be changed, you can cheat the solver into working as if the scale is larger or smaller by changing the Scene Scale option in the Grid rollout.

The Phoenix FD solver is not affected by how you choose to view the Display Unit Scale - it is just a matter of convenience.

 

Go to Customize > Units Setup and set Display Unit Scale to Metric Centimeters.

Also, set the System Units such that 1 Unit equals 1 Centimeter.

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