CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > ANSYS > FLUENT

Rotation Axis in Fluent

Register Blogs Members List Search Today's Posts Mark Forums Read

LinkBack Thread Tools Search this Thread Display Modes
Old   February 20, 2011, 12:21
Default Rotation Axis in Fluent
New Member
Join Date: Oct 2010
Posts: 19
Rep Power: 15
arapha is on a distinguished road

I created a 3D mesh in fluent, a duct that needs to be rotationally periodic to create a 360 degree passage (centrifugal compressor).
I found the rotation axis in Pointwise from point coordinates, and I entered those in the fluent cell zones, but I keep getting the errors '0 faces out of 9801 matched'. I know my mesh is correct because I've successfully made it periodic in fluent before (the mesh was just rotated and translated in space).
Does Fluent change the location of the mesh in Pointwise ? Can I find the rotation axis of my mesh directly in Fluent ? What else could be causing this error ? I am getting really desperate, any help very much appreciated... Thank you !!
arapha is offline   Reply With Quote

Old   February 21, 2011, 18:22
Default you need enter on boundary conditions
New Member
Carlos Alfonso Juárez Navarro
Join Date: Feb 2011
Posts: 3
Rep Power: 15
Carlos Juárez is on a distinguished road

In Fluent you need put the rotacional velocity in the boundary conditions

Define/Boundary Conditions/Fluid/Set/

On "Rotation-Axis Direction" put "1" on the axis wich corresponds the turn... if you turbomachinery turns in "X" put "1" in "X"

The axis direction respond with the "right hand law"

In motion type put "Moving Reference Frame"

On "Rotacional Velocity" put the rotational velocity...
Carlos Juárez is offline   Reply With Quote

Old   February 21, 2011, 18:24
New Member
Join Date: Oct 2010
Posts: 19
Rep Power: 15
arapha is on a distinguished road
Thanks but my geometry isn't rotating, I'm just essentially modeling a pie-shaped wedge, which if repeated periodically should give me a 360 degree channel geometry (but the rotation speed is 0)
arapha is offline   Reply With Quote

Old   November 8, 2016, 21:44
Default Rotation-Axis Direction
Abdulaziz Abutunis
Join Date: Aug 2014
Posts: 43
Rep Power: 11
ama294 is on a distinguished road
Hi All,

I have the same question. If there is no rotation, what should I put under the Rotation-Axis Direction. The default is (x=0, y=0, and z=1). Should I set zero for all since no rotation?

ama294 is offline   Reply With Quote


axis, fluent, mesh, periodic, rotation

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Two questions on Fluent UDF Steven Fluent UDF and Scheme Programming 7 March 23, 2018 03:22
How to open Icem mesh in Ansys Fluent? emmkell FLUENT 27 February 6, 2018 03:34
Fluent 6.3 32bit vs Fluent 12.0 64bit ibex7 FLUENT 7 April 18, 2011 02:44
Relief Plots in CFX Michael CFX 15 June 30, 2006 08:01
rotation axis? Max FLUENT 5 December 5, 2000 04:53

All times are GMT -4. The time now is 14:46.