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About Pressure Field with Cyclic Boundary Conditio

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Old   October 4, 2001, 07:58
Default About Pressure Field with Cyclic Boundary Conditio
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Jiaying Xu
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Hi, there,

I am simulating a air flow in a chanel, with velocity periodically varying in flow direction. I set the inlet and outlet as cyclic boundaries. But the final pressure field I obtained looks periodic too! The pressure values at outlet are the same as those at inlet! This is obviously incorrect, there should have a constant pressure drop every periodic length along flow direction.

I am wondering how the cyclic boundary condition is fulfilled within StarCD. Anyone can explian?

Thanks,

Jiaying
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Old   October 4, 2001, 08:34
Default Re: About Pressure Field with Cyclic Boundary Cond
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HVN
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It is normal with cyclic except if you put a pressure drop option in your cyclics. See that in your user guide.
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Old   October 4, 2001, 09:11
Default Re: About Pressure Field with Cyclic Boundary Cond
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Jiaying Xu
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Found it. Thanks, HVN.
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