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This page provides a tutorial for starting a simulation from a custom frame state.

Overview

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The Phoenix simulator allows users to load a *.aur cache file to use as an initial simulation state. This can be useful for skipping the beginnings of simulations that take a  longer time to reach the desired state. The instructions on this page will guide you in starting a simulation from a custom frame state.

Steps

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Column width 40% Start by creating a new project from File → Project Window.  Click the New button at the top right corner of the window and give it a name. In this example, the project is named SimFromCustomFrame. This is important because Phoenix FD stores the simulation data in the data directory of the currently selected project. You can manually point to a different project directory from the File → Set Project... dialog. Column width 60%

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Column width 40% With the source geometry selected, click the Fire preset button on the Phoenix FD shelfShelf.  This will automatically generate a fire setup that you can play with.  Column width 60%

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Column width 40% To speed up the simulation, increase the Cell Size parameter from the Grid tab of the Phoenix FD Simulator.  Disable the Adaptive Grid option. Warning It is possible to load a resized container but the cached content will be squeezed to fit into the Grid dimensions specified in the Grid tab of the Simulator. In other words, if you load a container whose initial size is set to 40 / 40 / 40 and has adapted to 40 / 120 / 40, the Y dimension will be squeezed down to fit into the smaller initial size when you use the Load option. Press Start to simulate until you have the desired initial frame and then hit Stop to stop the simulation. Column width 60%

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