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continuity equation

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Old   February 19, 2013, 09:00
Default continuity equation
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Thomas Hoffmann
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Hi all.
attached is a page from the fluent theory manual.
Can one of you guys help me to understand where the last term on the left hand side of equation 1-2 comes from? As I see it it is not included in equation 1-1 - or am I wrong?

Thanks

Thomas
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Old   February 19, 2013, 10:38
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Alex
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The "additional" terms stem from the definition of the divergence in polar coordinates.
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