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How to calculate vorticity in cylindrical coordinate?

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Old   February 5, 2014, 05:35
Default How to calculate vorticity in cylindrical coordinate?
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Zhao Bing
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My simulation domain is cylindrical (3D axisymmetric), but the coordinates are defined in Cartesian.

After the simulation, I calculated the vorticity field using the 'vorticity' command. Then I got four quantities: magnitude of vorticity, the x, y and z components.

However, I want to calculate the vorticity field in cylindrical coordinates. Most importantly the azimuthal component.

Can anyone give some suggestions? Thank you!
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cylindrical coordinates, vorticity

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