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pls help me with boundary condition.

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Old   February 22, 2006, 16:05
Default pls help me with boundary condition.
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Arif
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In my model water is passing through the pipe at a constant flow. My aim is to increase pressure at the outlet by squeezing area close to the outlet of the pipe and also find the pressure at that squeezing point. For this problem I know only pressure and velocity at the inlet. It will be great for me if somebody can suggest me what kind of boundary condition can help me to get the pressure at point(since in pressure outlet boundary condition I need to know pressure at outlet which I don't know). I also would like to know how I can be able to know the exact squeezing area from fluent. Thanks in advance for your cooperation.

Regards, Arif Engineering student (DCU)

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Old   February 23, 2006, 04:53
Default Re: pls help me with boundary condition.
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Ravi Kiran
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Hi Arif

initially leave the outlet boundary conditon as default one as u have a specified outlet area and continue simulation

cehck the outlet pressure u get with fluent simulation later u can fix the area u need depening o te pressure required

area u can calculate from the menu before display or one after the display menu in fluent (i do not remember properly)

bye Ravi Kiran
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