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Include Viscous Work term (in fluid model)

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Old   September 22, 2011, 10:43
Default Include Viscous Work term (in fluid model)
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MJ
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Hello. I am running transient simulation for turbine stator-rotor using ANSYS CFX. There is a disc cavity along the rotating wall of rotor which shows axi-symmetric fluid structures in transient simulations when the pressure signal in the cavity start to oscilate.

In my current analysis, I forgot to put the "Include Viscous Work Term" in the fluid model and I can see that the pressure signal is not oscillating. I want to know what possible impact that might make on my simulation if I include or not include the viscous work term. An elaborative response will be highly appreciated.

Thanks

MJ
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