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Pericu October 7, 2008 04:23

Water Hammer in a pipe
Hi, I would like to know how to model the water hammer effect on a pipe with water and a valve which closes suddenly. I know I should model it as a compressible and transient flow but need a fluid structure interaction model or just a CFD model is enough to determine maximum pressures? Cheers

chandra manik October 8, 2008 10:01

Re: Water Hammer in a pipe
I agree with you to analyze it in transient condition, about interaction, i think you have to perform the UDF of moving mesh, but i prefer to UDF where you can state the speed when valve closed or open so you can see the change in pressure where deeply recognized as " water hammer"

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