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How to simulate the pistion's motion by △P

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Old   February 27, 2007, 09:47
Default How to simulate the pistion's motion by △P
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arwang
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Hi.

I am preparing for my graduate thesis using fluent to simulating the piston motion in cylinder by pressure difference between both faces.(this motion is driven by fluid pressure difference).I don't know how to compute the pressure difference using UDF applied on the faces. My model illustrated following:

""""""""""""""""..... .................................................. .................................................. .................................................. .................................................. ......                  "      """"""""..... .................................................. .................................................. .................................................. .................................................. ................................  "      """""""""..... .................................................. .................................................. .................................................. .................................................. .................................... "-""""""""""""""....

Could you give some ideal for me .

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