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This page provides a tutorial on creating a simulation of Fruit falling in water.

 

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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The instructions on this page guide you through the process of setting up a simulation of fruit falling in a water tank. We use a 3ds Max MassFX particle system for the Rigid Body simulation of the fruit, and then we use that RBD simulation as a collider for the Phoenix FD Liquid.

The goal of this tutorial is to explain how to simulate and render a high-speed photography type of shot.

 

 

Units Setup

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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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