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16.3.6 Initializing the Progress Variable

Often, it is sufficient to initialize the progress variable $c$ to 1 (burnt) everywhere and allow the unburnt ( $c=0$) mixture entering the domain from the inlets to blow the flame back to the stabilizer. A better initialization is to patch an initial value of 0 (unburnt) upstream of the flame holder and a value of 1 (burnt) in the downstream region (after initializing the flow field in the Solution Initialization panel).

Solve $\rightarrow$ Initialize $\rightarrow$ Patch...

See Section  25.14.2 for details about patching values of solution variables.

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