Self preserving boundary layer ansys cfx -- CFD Online Discussion Forums

April 6, 2015, 23:57	Self preserving boundary layer ansys cfx	#1
davidwilcox Senior Member david Join Date: Oct 2012 Posts: 142 Rep Power: 13	Hi, I am having difficulties simulating a self-preserving boundary layer in ANSYS CFX. i used the loglaw profile at the inlet for velocity and k and epsilon. This is a 2D simulation. the domain is basically a rectangle ( nothing inside). i cant seem to get a self preserving boundary layer. near the inlet, I have du/dx NOT equal to 0. which is weird. HOW do i tell CFX that the flow is already fully developed at the inlet?

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
No-slip condition for non-resolved boundary layer in open channel banks	Lupocci	Main CFD Forum	1	January 17, 2013 03:11
Boundary Layer roughness/ low reynolds wall treatment	Luigi_	STAR-CCM+	1	March 14, 2012 08:40
Ansys CFX Atmospheric Boundary Layer	Marco	CFX	1	December 1, 2008 20:46
Boundary Layer in CFX	selim	CFX	2	January 1, 2008 03:15
errors	Fahad	Main CFD Forum	0	March 23, 2004 13:20

All times are GMT -4. The time now is 10:26.