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Old   March 3, 2015, 05:33
Default OpenFOAM utility: wdot
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Dongyue Li
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Hi guys,

Its an utility provided by OpenFOAM. In UG, we have this description:

Code:
wdot                        Calculates and writes wdot for each time
But what is wdot?
Thanks.
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Old   March 6, 2015, 17:01
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Bruno Santos
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Quick answer: It's a utility: https://github.com/OpenFOAM/OpenFOAM...us/wdot/wdot.C
Try running:
Code:
which wdot
---------

edit: Sorry... I misunderstood the question. Since you didn't specify "what is the wdot field?" - I didn't understand you had understood it was a utility.

As the source code indicates, it calculates:
Code:
St = Xi*Su
wdot = St*mgb
When searching in the source code, looks like PDRFoam has some answers:
Code:
turbulent flame speed field St

strained laminar flame speed field Su
Well... it's related to combustion... beyond that, I can't find more details.

Last edited by wyldckat; March 6, 2015 at 17:10. Reason: see "edit:"
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Old   March 6, 2015, 17:52
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Dongyue Li
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Quote:
Originally Posted by wyldckat View Post
Quick answer: It's a utility: https://github.com/OpenFOAM/OpenFOAM...us/wdot/wdot.C
Try running:
Code:
which wdot
---------

edit: Sorry... I misunderstood the question. Since you didn't specify "what is the wdot field?" - I didn't understand you had understood it was a utility.

As the source code indicates, it calculates:
Code:
St = Xi*Su
wdot = St*mgb
When searching in the source code, looks like PDRFoam has some answers:
Code:
turbulent flame speed field St

strained laminar flame speed field Su
Well... it's related to combustion... beyond that, I can't find more details.
Hello Bruno!

Thank you for that! yep, Im looking for a specific word for that, seemingly there is not! I think u r correct. have a nice day!

Best,
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