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extending the outlet

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Old   July 7, 2015, 09:28
Post extending the outlet
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Piyush Aras
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I wanted to ask one thing about extending the outlet for getting rid of reverse flow.
When I fill extend the outlet what boundary condition should I give to extended part outlet.
That is I should give it wall or simply leave it .
And one more thing when i adapt and patch .
During I adapt by geometry is not a sphere or cylinder.
Its kind of small cylinder kept on a cuboid and there is inlet from upper surface of cylinder and there are 6 outlets in bottom surface of cuboid.
My origin is at centre of bottom surface of cuboid . Now how should I adapt.
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