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Ydefault in reactingFoam case

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Old   December 16, 2010, 06:54
Default Ydefault in reactingFoam case
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Alexander
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I would like to understand why we need and how arranged Ydefault file to 0 the case directory. I can not find documentation on this issue.

p.s.
In my problem I can see that it is somehow associated with the onset of combustion in reactingFoam project, but still do not understand how.
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Old   December 16, 2010, 11:35
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Kerstin Heinen
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It is like a placeholder for the species which are present in the reactions file, but not specified in the 0 folder.

e.g. you have a reaction

A + B = C + D + E

You specify in the reactions and chemkin files for the species, which components you have. You can just set Ydefault = 0 and the mass fraction of your initial species ( in my example its A and B) with some value and thats it...

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