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August 6, 2004, 03:24
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Confused
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#1 |
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Guest
Posts: n/a
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Hello,
A couple of questions that I cannot find answers to in several text-books. 1. What is the physical meaning of the term (u/r) that appears in cylindrical coordinates, continuity eqn.? 2. What use are cylindrical coordinates if my problem is axisymmetric, using only r and z directions? (the cartesian coordinates does not show the extra term so I'm a bit confused here.) 3. If question 2 has anything to do with the control volume approach used in FVM, then does it matter if I would use FDM instead? I have not attended any fluid mechanic courses so please be gentle with your answers if this is all too simple. =) /F |
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