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finite difference discretization-cyl coordinates

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Old   October 9, 2008, 03:30
Default finite difference discretization-cyl coordinates
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Dear Sir, I am new to cfd field. Could anyone can help me how to discretize viscous term in r momentum eqution (cylindrical coordinates)

for eg.

d/dr(1/r(d(ru)/dr)) where d= dho Thank you.
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