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

Periodicity with different angles

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

LinkBack Thread Tools Search this Thread Display Modes
Old   November 25, 2016, 08:57
Default Periodicity with different angles
New Member
Join Date: Nov 2014
Posts: 3
Rep Power: 8
andcfd is on a distinguished road
Hello everybody,
I am working on a model of a turbomachine which has different periodicity along its axis, e.g periodicity 120 for the first section, 90 for the second section.
I modelled each section with its own periodicity, with periodicity interface for each one, with a general interface between them.
Is this a correct approach?

The massflow measured on both sides of the interface results the same, but to get the total massflow on 360 on one side the massflow has to be multiplied by 3, while on the other it has to be multplied by 4. Therefore the result on the whole section is different!

How can I set this problem?
Thank you
andcfd is offline   Reply With Quote

Old   November 25, 2016, 15:26
Senior Member
Join Date: Jun 2009
Posts: 1,285
Rep Power: 25
Opaque will become famous soon enough
what pitch change model did you use across the interface ?

The pitch on either side is not the same based on your description; therefore, you should set a pitch change option different than None.
Opaque is offline   Reply With Quote


interface model, periodicity

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
[ICEM] ICEM periodicity specification robboflea ANSYS Meshing & Geometry 18 November 11, 2014 15:51
[ICEM] Two kinds of periodicity in one project PS_KA ANSYS Meshing & Geometry 3 January 22, 2014 05:09
[ICEM] Hybrid Meshing and Periodicity RalfBecker ANSYS Meshing & Geometry 0 October 31, 2013 07:31
Flows at High Angles of Attack Sarah C. FLUENT 2 March 18, 2009 08:39
Periodicity in CFX Sam S CFX 2 August 27, 2007 01:59

All times are GMT -4. The time now is 18:14.