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Source term for decay

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Old   February 6, 2005, 12:43
Default Source term for decay
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Chimwemwe
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CFD Users,

I am trying to model bacteria decay based on first order kinetics. I want to use scalar to define this. The bacteria constant death rate is K/day.

Bacteria decay at anytime= Inital bacteria*exp(-k*time)

How can I set a source term of S=A+B*Bacteria (dependent variable) to reflet the decay at any point.

Thanks in advance.

Chimwemwe

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