How to Contour plot for omega_z ??

snehal · July 5, 2010, 06:42

Hello Everybody,
I am working on vortex shedding of a cylinder in cross flow.
I want to plot the contour plots of vorticity in z direction so that i can see the positive and negative vortices. So i used the utility vorticity in Openfoam to calculate the same. Now while plotting the contour plots the only thing available is magnitude of vorticity(magVorticity in Openfoam).Therefore I am not able to see the positive and negative vortices.
Please let me know how to plot the contour plots for vorticity in z direction.
Also for reference I have attached the countour plot of magVorticity.
Any help will be aprreciated.
Thank you very much.

Tarak · January 16, 2011, 16:28

Hii Snehal,

The vorticity utility gives vorticityX,Y andZ directly. So i don't think you should have a problem anymore.

Tarak.

zzhou · November 26, 2012, 18:04

Hi Snehal,

You can calculate the x, y, z components of vorticity by "foamCalc components vorticity". Then you'll be able to see vorticityx, vorticityy and vorticityz in ParaView.

Cheers!

ZZ

fatemehfarshi62 · March 11, 2017, 06:41

Hi,
I have the same problem
Do you mean that one should type "foamCalc..." in terminal?
Thanks a lot

March 11, 2017, 06:41	vorticity problem	#4
fatemehfarshi62 Member Fatemeh Join Date: Dec 2015 Location: Isfahan,Iran Posts: 39 Rep Power: 12	Hi, I have the same problem Do you mean that one should type "foamCalc..." in terminal? Thanks a lot

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January 16, 2011, 16:28		#2
Tarak Senior Member Tarak Join Date: Aug 2010 Location: State College, PA Posts: 111 Rep Power: 17	Hii Snehal, The vorticity utility gives vorticityX,Y andZ directly. So i don't think you should have a problem anymore. Tarak.

November 26, 2012, 18:04		#3
zzhou New Member Zheyu Zhou Join Date: Nov 2012 Posts: 1 Rep Power: 0	Hi Snehal, You can calculate the x, y, z components of vorticity by "foamCalc components vorticity". Then you'll be able to see vorticityx, vorticityy and vorticityz in ParaView. Cheers! ZZ