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This page introduces the Simulator object and its rollouts.

Overview

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The PhoenixFD Simulator Phoenix Simulator object produces realistic fire/smoke/explosion and liquid effects using physical simulation.

For fire, smoke, and explosion simulations, PhoenixFD Simulator Phoenix Simulator uses a grid-based core, and the result is a sequence of cache files containing the frame data (Temperature, Smoke, etc.). These cache files are used later in the rendering process to convert the raw simulation data into realistic images.

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  • More realistic simulation.
  • No stepping artifacts.
  • Faster simulation.


Besides liquid, the simulator provides built-in helper simulators for foam, wetmap, splash, and mist. In certain cases, the splash and mist can be considered as part of the liquid simulation, because liquid, splash and mist can be converted to each other. You can go through the FLIP Particles Life Cycle page for an in-depth explanation of this process.

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In addition to manual creation of a simulator with the UI paths shown below, a simulator is automatically created when any of the Quick Simulation Setup buttons are used.

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Note: In addition to a

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Simulator, a Source Component must also be present in the scene in order for simulation to take place.

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 UI

UI Paths:

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||Phoenix FD Shelf|| > Create Phoenix FD 3D Fluid Simulator button

 

 ||Phoenix FD menu|| > Create > 3D or 2D Simulator

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||Phoenix FD Shelf|| > Create Phoenix FD

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Fluid Simulator button

 

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Rollouts

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After creating a PhoenixFD Simulator Phoenix Simulator object, the following rollouts can be accessed in the Attribute Editor:

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Due to many improvements to the Phoenix solver, recreating simulations the same way you did in older versions of Phoenix may not be possible because of changes to the solvers and the UI. Here are some things to be aware of when upgrading from older versions of Phoenix FD.

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  • If you have a scene created with Phoenix v.2 and you open it with version 3, it will keep all the old settings for you, some of which are not visible to newer versions and the result should be roughly the same.
  • If you try to replicate the same simulation setup with Phoenix v.3 and set all the parameters with the same values you would not obtain the same result. The new simulation will be different because Phoenix v.3 uses a new solver for liquids and fire/smoke.