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how to set 2 boundary condition on a surface

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Old   April 19, 2012, 12:12
Default how to set 2 boundary condition on a surface
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acAB
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let say i have i cubic volume.. on one of is faces, i would like to have a smaller face that i can define as another zone (velocity inlet)..

...........................
. ............ .
. . . .
. . . .
. ............ .
. .
...........................

the bigger face is the wall and the smaller face is the face that i would like to define as velocity inlet.

How can i meshed this volume
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Old   April 19, 2012, 13:15
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Yasin Besari Mustofa
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you can make inlet geometry at one side of cubic face and then define inlet with different part from other face.
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Old   April 19, 2012, 15:17
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how am i going to do that ?? my problem in that once i've created the volume and a smaller size face in the cubic surface, the meshed file won't detect it as a zone in fluent. so, i can't define the booundary.
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