Lift Hysteresis problem in Oscillating Airfoil -- CFD Online Discussion Forums

March 28, 2012, 09:34

fluent

churchill

New Member

Join Date: Mar 2012

Posts: 1

Rep Power: 0

Quote:

Originally Posted by Farid
;85907

I have run a simulation for Alpha(t)=10+2sinwt. I got Cd hysteresis loop as the same as experimental but I got the Opposite loop for Cl. I am getting higher lift during the downstroke but it should be lower than that of upstroke.

Can anybody help me regarding this problem.

N.B. Airfoil is NACA0012, M=0.3, Re=0.54 Million.

hello Farid, will you please tell me how to set the simulation in Fluent for hysteresis problem?I got no idea about the settings, such as the UDF,solution,boundary condition.
Thank you a lot!

« Previous Thread | Next Thread »

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 Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
[Commercial meshers] Handling cyclic BC from gambit to openfoam for a cascade airfoil problem - OF 1.6	maverick	OpenFOAM Meshing & Mesh Conversion	2	June 18, 2011 04:36
Plunging Airfoil Problem	jmo	OpenFOAM Running, Solving & CFD	0	May 17, 2010 22:36
Residual problem of 2D airfoil simulation	caohan	FLUENT	9	April 13, 2010 16:03
[FloWorks] Request advice for an airfoil calculation problem	Bogey Jammer	Main CFD Forum	0	September 29, 2009 17:06
oscillating airfoil test case	Akbar	Main CFD Forum	1	July 22, 2005 11:49

All times are GMT -4. The time now is 10:22.