# working in cylindrical coordinates in fluent

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 February 17, 2005, 02:58 working in cylindrical coordinates in fluent #1 Randheer Yadav Guest   Posts: n/a Hi there, I want to work in cylindrical coordinates and have made my geometry in the above coordinates in Gambit. I did it by making a local coordinates of type cylindrical. I have run my program in fluent and now i want to make planes and lines to view the my result. But under the surface/plane panel it asks me to enter the x, y and z coordinates of three points to make a plane. I want to rotate this plane by 45 deg. Plane tool is an option but I am finding it cumbersome. So, how can I make fluent to ask me r, theta and z instead of x,y and z? Is there any method other than planetool to rotate a plane? regards Randheer

 February 17, 2005, 08:03 Re: working in cylindrical coordinates in fluent #2 Jason Guest   Posts: n/a Define your axis for the Fluid zone under the Boundary Conditions window. Then you can create an Iso-Surface of Constant Grid Angle. This angle is right-hand rule based on the origin of your axis and your positive axis direction as you define it under boundary conditions. There's some other options you can do under Iso-Surface (like constant x, y, or z values, constant r values, etc). Check them out and see if they get you where you want. Hope this helps, and goodluck, Jason cheredha likes this.

 January 18, 2015, 17:25 #3 Member   alliche redha Join Date: Jun 2010 Posts: 44 Rep Power: 8 hi , can i use this iso-surface for calculat the heat transfert coefficient for cylinder ?

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