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theta factor
Dear Sir:
I am a DAMBRK user and I do not know how to deal with the theta weigthing factor. I have been told that if you use Mixed flow or Supercritical options in Boundary conditions it is recommended to set theta at a value of 0.5. In other case, while using subcritical flow type, a value of 0.51 must be entered in the model.
I would be very pleased if you could explain me with easy words what does the theta weighting factor exactly mean and how should I use it.
Many thanks in advance,
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