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I have an Question with Axi-symmetric Analysis

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Old   November 5, 2011, 05:16
Default I have an Question with Axi-symmetric Analysis
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Chris, Kam
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Hi

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first of all, I wan'na apologize about my terrible english
because my mother language is not a english
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I'm try to analysis nozzle flow(converging-diverging ultrasonic nozzle)

with 2D plane (axisymmetric)

the questions is like this...


"What does axis boundary conditions means?"


absolutery, it means axis,, but what I wanna know is

mathmatically.. is it kind of neumann condition?

I guess, dΦ/dr = 0 (Φ=p,v,t,whatever), is it right?

I tried to find it on 'fluent theory guide'... and I failed


thank you for reading this, and I'm wating for your reply


Cartman.
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Old   November 6, 2011, 09:45
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Chris, Kam
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OMG

User's Guide Says
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To determine the appropriate physical value of a particular variable at a point on the axis, fluent uses the cell value in the adjacent cell

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