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Example: Scene Scale

 

 

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The following video provides examples to show the differences of Scene Scale with values of 0.1, 5.0 and 15.0.

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Example: Grid Resolution

 

 

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The following video provides examples to show the differences when the Total cells from the Grid's Resolution is at 570,000, 4,000,000and 16,000,000.

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Example: Setting up a 2D Simulation

 

 

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A 2D Simulation can be performed by adjusting the Grid dimensions such that either X Size, Y Size, or Z Size is set to 1. The main application of this feature is to create very wide fires that would otherwise be time-consuming with a 3D simulation, like the image below.

To keep features like the embedded gravity and pressure decay, it is recommended to leave the Y direction active and set the X or Z size to 1.


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By default, the adaptation algorithm uses the Container Walls to determine if the grid can be extended in a particular direction. If the wall is open, this means that cells in that direction can be added. The maximum grid expansion is only limited by total cells or memory used. This section allows fine control over the grid expansion in each direction.

 

Enable Limits | adaptLimitEnbl – Enables using manual limits along each axis when adapting the grid.

+/- X | adaptLimitXp, adaptLimitXn – Specifies the limits along X axis.

+/- Y | adaptLimitYp, adaptLimitYn – Specifies the limits along Y axis.

+/- Z | adaptLimitZp, adaptLimitZn – Specifies the limits along Z axis.

Shrink to View | adaptCamera – Species a camera whose frustum will be used to determine the maximum expansion. The Adaptive Grid will not resize beyond the frustum. Note that the algorithm might not handle complicated cases properly. For such cases, the limits must be animated manually.

Set Selected Camera - When a camera and a Phoenix Simulator are selected, the selected camera's frustum will be used to determine the maximum expansion.

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 When a Shrink to View Camera is provided, the Adaptive Grid will expand no further than the already specified Adaptation Limits.

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