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This page provides a tutorial for manually creating fuel and burning effects for a fire simulation.

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The instructions on this page will guide you in modifying a fire simulation to add fuel and burning effects. The emitter object will emit fuel which ignites and produces smoke.

The Burning Fuel with Smoke Quick Simulation button on the Phoenix Shelf will produce a similar but more refined result to the steps below.

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Steps

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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.

This is important because Phoenix 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.

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Go to File → Save As and select the scenes directory of your current project. 

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Create a piece of geometry to use as an emitter. In this example, a default poly sphere is used. 

Rename the geometry to source_geo_01

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Add a Phoenix Fire/Smoke Source.

Rename it to phx_fuel_source_01 and the generated set to phx_fuel_source_set.

Middle mouse drag the source_geo into the fuel source set.

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With the Fuel source selected, go to the Attribute Editor and disable Temperature and Smoke emission.

Instead, Enable Fuel.

Using Temperature and Smoke to generate fire and explosive effects is a perfectly valid approach. However, this tutorial is focused on setting up a simulation that uses Fuel to produce burning which in turn adds smoke and heat into the container.

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Create a Phoenix Container and position it around the source geometry.

Reduce the Cell Size to 0.1.

Rename the automatically generated sets to phx_preview_set, phx_lgt_set and phx_sim_set.

Middle mouse drag the source geometry and the Phoenix fuel source into the sim set.

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